679 Engine parts are listed for the 2008 Buick Lacrosse, in 106 part types, covering all 3 engine options (3.6L V6, 3.8L V6 and 5.3L V8). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2008 Buick Lacrosse, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 150 parts of the 679 listed are Camshaft (74 parts), Connecting Rod Bearing (41 parts) and Valve Spring (35 parts). The other 103 part types cover the remaining 529 parts.
The 2008 Buick Lacrosse was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
64 brands supply engine parts for the 2008 Buick Lacrosse, led by MELLING (157 parts), GM GENUINE (73 parts) and MAHLE / CLEVITE (53 parts), plus 61 more brands. Quality grades include High Performance, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2008 Buick Lacrosse. 117 parts have it, including MELLING 22309 (Camshaft) and ENGINETECH CC433W (Camshaft Bearing). Each part number opens a page with every vehicle that part fits.
Camshaft
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | 22309 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 22206 | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 22207 | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 22310 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22323 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22324 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22325 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22326 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22327 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22328 | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22422 | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22423 | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22424 | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22425 | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22501 | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 22502 | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22425D | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22309B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22310B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22207D | 🇺🇸 US | Stage 2 LSl High PerformanceChromoly Retainers And Dual Springs | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22325D | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22326D | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22328D | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22422D | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22423D | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22424D | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22501D | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22502D | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22206B | 🇺🇸 US | Stage 2 LSl High PerformanceChromoly Retainers And Beehive Springs | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22207B | 🇺🇸 US | Stage 2 LSl High PerformanceChromoly Retainers And Beehive Springs | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22323B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22324B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22325B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22326B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22327B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22328B | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22422B | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22423B | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22424B | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22425B | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22206DT | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22501B | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22502B | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22309BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22310BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22207BT | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22323BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22325BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22326BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22327BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22328BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22422BT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22423BT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22424BT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22425BT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22206BT | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22324BT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22207DT | 🇺🇸 US | Stage 2 LSl High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22325DT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22326DT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22327DT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22328DT | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22422DT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22423DT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22424DT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22425DT | 🇺🇸 US | Stage 4 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22501DT | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22502DT | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22501BT | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22502BT | 🇺🇸 US | Stage 5 LSHigh Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | CK22327D | 🇺🇸 US | Stage 3 LSHigh Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12625436 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Popular Fits: 5.3L V8 | MC1394 | 🇺🇸 US | Single Bolt Camshaft | View on Amazon |
| SKP Popular Fits: 5.3L V8 | SKES3588 | 🇺🇸 US | VVT Version | View on Amazon |
This table covers the camshafts that open the valves.
74 Camshaft parts are listed for the 2008 Buick Lacrosse, from MELLING, GM GENUINE and SKP. MELLING 22309 carries the "Popular" badge. They are grouped as High Performance and Standard Replacement, with High Performance the largest group at 71 parts from MELLING.
Camshaft & Lifter Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | CLMC1394 | 🇺🇸 US | View on Amazon |
This table covers the Camshaft & Lifter kits.
One part is listed for the 2008 Buick Lacrosse — MELLING CLMC1394.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: 5.3L V8 | CC433W | 🇺🇸 US | Full Set | View on Amazon |
| ENGINETECH Popular Fits: 5.3L V8 | CC433WP | 🇺🇸 US | High Performance Polydyn Coating | View on Amazon |
| GM GENUINE Popular Fits: 5.3L V8 | 19260874 | 🇺🇸 US 🇨🇦 CA | Position # 1 and # 5Diameter 2.353-2.354 | View on Amazon |
| CLOYES Fits: 5.3L V8 | 9232 | 🇺🇸 US | High Performance | View on Amazon |
| DURA-BOND Fits: 5.3L V8 | CH25 | 🇺🇸 US | View on Amazon | |
| DURA-BOND Fits: 5.3L V8 | CHP25 | 🇺🇸 US | View on Amazon | |
| DURA-BOND Fits: 5.3L V8 | CHP25T | 🇺🇸 US | Coated | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 19260875 | 🇺🇸 US 🇨🇦 CA | Position # 2 and # 4Diameter 2.334-2.335 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 19260876 | 🇺🇸 US 🇨🇦 CA | Position # 3Diameter 2.314-2.315 | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CS5171BB | 🇺🇸 US | Bimetal (Babbitt) | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 1923M | 🇺🇸 US | 0.775 IN WidePosition # 1 or Position # 5 | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 2115M | 🇺🇸 US | Not Coated | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | C2115M | 🇺🇸 US | High PerformanceCoated | View on Amazon |
This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
13 Camshaft Bearing parts are listed for the 2008 Buick Lacrosse, from GM GENUINE, DURA-BOND, SEALED POWER and 3 other brands. ENGINETECH CC433W carries the "Popular" badge.
Camshaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.3L V8 | 857390 | 🇺🇸 US | Retainer Bolt | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12556127 | 🇺🇸 US 🇨🇦 CA | M8X1.25X24Sprocket Bolt | View on Amazon |
This table covers the Camshaft bolts.
2 Camshaft Bolt parts for the 2008 Buick Lacrosse come from 2 brands — ELRING and GM GENUINE.
Listed part numbers: ELRING 857390 and GM GENUINE 12556127.
Camshaft Dowel Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 24575061 | 🇺🇸 US 🇨🇦 CA | Outside Diameter (In): 0.185 In | View on Amazon |
This table covers the Camshaft Dowel pins.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 24575061.
Camshaft Gear Installation Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | CSITLS | 🇺🇸 US | No Warranty | View on Amazon |
This table covers the Camshaft Gear Installation tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: MELLING CSITLS.
Camshaft Retainer / Thrust Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | ES73115 | 🇺🇸 US | Camshaft retainer plate & mounting bolts includedComplete Set | View on Amazon |
| APEX Fits: 5.3L V8 | AES319 | 🇺🇸 US | Retainer Bolt | View on Amazon |
| APEX Fits: 5.3L V8 | AES318 | 🇺🇸 US | with Mounting Bolts | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12589016 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MELLING Fits: 5.3L V8 | MF127 | 🇺🇸 US | View on Amazon |
This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
5 Camshaft Retainer / Thrust Plate parts for the 2008 Buick Lacrosse come from 4 brands — APEX, FEL-PRO, GM GENUINE and 1 other brand. The "Popular" part is FEL-PRO ES73115.
Part numbers include FEL-PRO ES73115, APEX AES319 and APEX AES318, among others listed above.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.3L V8 | B32270 | 🇺🇸 US | Steel with Molded RubberCamshaft Cover Gasket | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 711836900 | 🇺🇸 US | with Recessed Bolts | View on Amazon |
This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Camshaft Seal parts for the 2008 Buick Lacrosse come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: MAHLE / CLEVITE B32270 and VICTOR REINZ 711836900.
Connecting Rod
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12649190 | 🇺🇸 US 🇨🇦 CA | Material: Forged Steel | View on Amazon |
This table covers the connecting rods between each piston and the crankshaft.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12649190.
Connecting Rod Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 5.3L V8 | 11663H | 🇺🇸 US | Performance H SeriesSet | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 11663HX | 🇺🇸 US | High PerformanceExtra Oil Clearance of .001 | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 11663HD | 🇺🇸 US | High Performancewith dowel hole | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 11663HC | 🇺🇸 US | High PerformanceCoated | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 11663HXC | 🇺🇸 US | High PerformanceCoated | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807HPND | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807HPNDX | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807XPN | 🇺🇸 US | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807XPNX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807XPND | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807XPNDX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HN | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HND | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663FN | 🇺🇸 US | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663VN | 🇺🇸 US | High PerformanceNarrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663VXN | 🇺🇸 US | High Performance.001in Extra Oil Clearance / Narrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663FND | 🇺🇸 US | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663FXN | 🇺🇸 US | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663FXND | 🇺🇸 US | High PerformancePair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HXN | 🇺🇸 US | High Performance.001in Extra Oil Clearance / Narrowed | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HXND | 🇺🇸 US | High Performance.001 in Extra Oil Clearance / Narrowed / Doweled Connecting Rod | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HNC | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HXNC | 🇺🇸 US | High Performance.001in Extra Oil Clearance / Narrowed / Coated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB663HNDC | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: 5.3L V8 | CR807SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | CB663A | 🇺🇸 US | A Series (Aluminum)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | CB663P | 🇺🇸 US | P Series (Tri-Metal)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | CB663A8 | 🇺🇸 US | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | CB663P8 | 🇺🇸 US | P Series (Tri-Metal)Set | View on Amazon |
| SEALED POWER Popular Fits: 5.3L V8 | 2555CP | 🇺🇸 US | Overplated Copper-Lead Alloy | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 89017573 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 8B6956 | 🇺🇸 US | Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR865SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807SIX | 🇺🇸 US | Setbimetal (aluminum silicon base) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB1776A | 🇺🇸 US | A Series (Aluminum)Pair | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | CB1776A8 | 🇺🇸 US | A Series (Aluminum)Set | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 2555A | 🇺🇸 US | A-Series Aluminum BearingsStandard Shaft Minimum (Inch): 2.0990 In | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 82555A | 🇺🇸 US | SetA-Series aluminum bearings | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 82555CP | 🇺🇸 US | SetOverplated Copper-Lead Alloy | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807HPNX | 🇺🇸 US | Race bearings, Bimetal (Alecular)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | CR807HPN | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | View on Amazon |
This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
41 Connecting Rod Bearing parts are listed for the 2008 Buick Lacrosse, from MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINE PRO and 3 other brands. KING ENGINE BEARINGS CR807SI carries the "Popular" badge. High Performance and Standard Replacement are all represented, and High Performance alone accounts for 24 parts.
Connecting Rod Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 11570662 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM9X44,13 | View on Amazon |
This table covers the Connecting Rod bolts.
This group shows a single part: GM GENUINE 11570662.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | CS9284 | 🇺🇸 US | Lower Oil Pan Gasket Not IncludedPermadry Molded Rubber Oil Pan Gasket(s) Included | View on Amazon |
| ULTRA-POWER Popular Fits: 5.3L V8 | CS9284 | 🇺🇸 US 🇨🇦 CA | SetLower Oil Pan Gasket Not Included | View on Amazon |
| APEX Fits: 5.3L V8 | ACS3071 | 🇺🇸 US | View on Amazon | |
| APEX Fits: 5.3L V8 | ACS3072 | 🇺🇸 US | with Camshaft retainer plate | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 0920902 | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE Fits: 5.3L V8 | CS5975A | 🇺🇸 US | Recessed Bolt Holes In Camshaft Retainer Plate | View on Amazon |
| SKP Fits: 5.3L V8 | SKCS9284 | 🇺🇸 US | Permadry Molded Rubber Oil Pan Gasket(s) Included | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 081012601 | 🇺🇸 US | Does Not Include Camshaft Retainer Plate | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
8 Conversion / Lower Gasket Set parts are listed for the 2008 Buick Lacrosse, from APEX, FEL-PRO, ULTRA-POWER and 4 other brands. FEL-PRO CS9284 carries the "Popular" badge.
This group includes FEL-PRO CS9284 and APEX ACS3071 and the remaining parts above.
Crankshaft Main Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: 5.3L V8 | MB5013XP | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | MS2199H | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5013HP | 🇺🇸 US | SetAlecular (Racing Line) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5013HPX | 🇺🇸 US | Setwith Extra Oil Clearance | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5013XPX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5777XP | 🇺🇸 US | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5777XPX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS2199HXC | 🇺🇸 US | High Performance.001in Extra Oil Clearance / Coated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS2199HC | 🇺🇸 US | High PerformanceCoated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS2199HX | 🇺🇸 US | High PerformanceH Series (Tri-Metal) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: 5.3L V8 | MB5293SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | MS2199A | 🇺🇸 US | A Series (Aluminum)Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | MS2199P | 🇺🇸 US | P Series (Tri-Metal)Set | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 89017572 | 🇺🇸 US 🇨🇦 CA | Standard# 3 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 89017571 | 🇺🇸 US 🇨🇦 CA | # 1,2,4,5Standard | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 5M6956 | 🇺🇸 US | Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5766SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| KING ENGINE BEARINGS Fits: 5.3L V8 | MB5398SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS2366A | 🇺🇸 US | A Series (Aluminum)Set | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | 7298MA | 🇺🇸 US | SetA-Series aluminum bearings | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 5.3L V8 | 122199H | 🇺🇸 US | Performance H SeriesSet | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 122199HX | 🇺🇸 US | Performance H Series +.001 Bearing OversizeSet | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 122199HC | 🇺🇸 US | Performance H Series CoatedSet | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 122199HXC | 🇺🇸 US | Performance H Series +.001 Bearing Oversize CoatedSet | View on Amazon |
This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
24 Crankshaft Main Bearing parts for the 2008 Buick Lacrosse come from 6 brands — KING ENGINE BEARINGS, MAHLE / CLEVITE, ENGINE PRO and 3 other brands. The "Popular" part is KING ENGINE BEARINGS MB5013XP.
The High Performance section lists 10 options from KING ENGINE BEARINGS and MAHLE / CLEVITE — engineered beyond original-equipment specification. KING ENGINE BEARINGS MB5013XP is listed in this group.
In the Standard Replacement grade, KING ENGINE BEARINGS, MAHLE / CLEVITE, GM GENUINE and 2 other brands supply 10 parts: built to original-equipment specification. A representative part number is KING ENGINE BEARINGS MB5293SI.
4 further parts sit outside the graded sections, with the same engine-level match.
Crankshaft Main Bearing Cap Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12556127 | 🇺🇸 US 🇨🇦 CA | M8X1.25X24 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12560272 | 🇺🇸 US 🇨🇦 CA | M10X2X102.5 | View on Amazon |
This table covers the Crankshaft Main Bearing Cap bolts.
GM GENUINE supplies both parts for the 2008 Buick Lacrosse.
Listed part numbers: GM GENUINE 12556127 and GM GENUINE 12560272.
Crankshaft Main Bearing Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ Fits: 5.3L V8 | 711348000 | 🇺🇸 US | CrankshaftCrankshaft Machining Required | View on Amazon |
This table covers the wear sleeves used to restore a Crankshaft Main Bearing seal surface.
One part is listed for the 2008 Buick Lacrosse — VICTOR REINZ 711348000.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: 5.3L V8 | 99210 | 🇺🇸 US | Front | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: 5.3L V8 | WS99210 | 🇺🇸 US | Front | View on Amazon |
| BCA Fits: 5.3L V8 | NS99166 | 🇺🇸 US | Front | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | 16229 | 🇺🇸 US | RearWide Lip | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | 16228 | 🇺🇸 US | RearNarrow Lip | View on Amazon |
| TIMKEN Fits: 5.3L V8 | KWK99210 | 🇺🇸 US | Kwik-Sleeve | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 711457300 | 🇺🇸 US | RearWide Lip | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
7 Crankshaft Repair Sleeve parts for the 2008 Buick Lacrosse come from 6 brands — FEL-PRO, NATIONAL, WJB / INMOTION PARTS and 3 other brands. The "Popular" part is NATIONAL 99210.
Part numbers include NATIONAL 99210, WJB / INMOTION PARTS WS99210 and BCA NS99166, among others listed above.
Crankshaft Repair Sleeve Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.3L V8 | 16329 | 🇺🇸 US | Rear | View on Amazon |
This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: FEL-PRO 16329.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.3L V8 | ABS371 | 🇺🇸 US | Rearwith Housing Gasket | View on Amazon |
| APEX Popular Fits: 5.3L V8 | ABS372 | 🇺🇸 US | Rearwith Rear Main Seal Cover, Housing Gasket & Bolts | View on Amazon |
| FEL-PRO Popular Fits: 5.3L V8 | BS40640 | 🇺🇸 US | PTFE RubberIncludes Sleeve | View on Amazon |
| GM GENUINE Popular Fits: 5.3L V8 | 89060436 | 🇺🇸 US 🇨🇦 CA | RearReverse Lip Seal | View on Amazon |
| GM GENUINE Popular Fits: 5.3L V8 | 29602 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| TIMKEN Popular Fits: 5.3L V8 | 100470 | 🇺🇸 US | Front | View on Amazon |
| ACDELCO Fits: 5.3L V8 | 100085 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ACDELCO Fits: 5.3L V8 | 100470 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| AJUSA Fits: 5.3L V8 | 15113900 | 🇺🇸 US | FrontClockwise | View on Amazon |
| APEX Fits: 5.3L V8 | ATC3711 | 🇺🇸 US | Seal Only | View on Amazon |
| APEX Fits: 5.3L V8 | ABS377 | 🇺🇸 US | Seal Only | View on Amazon |
| AUTOTECNICA Fits: 5.3L V8 | GM1419631 | 🇺🇸 US | Includes Seal, Gasket & Hardware | View on Amazon |
| BCA Fits: 5.3L V8 | NS100085 | 🇺🇸 US | Rear | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 3112639249 | 🇺🇸 US | Kit | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | JV1657 | 🇺🇸 US | Includes Carrier GasketPTFE (Polytetrafluoroethylene) | View on Amazon |
| NATIONAL Fits: 5.3L V8 | 100085 | 🇺🇸 US | Rear | View on Amazon |
| NATIONAL Fits: 5.3L V8 | 100470 | 🇺🇸 US | Front | View on Amazon |
| SCHAEFFLER Fits: 5.3L V8 | SS3130 | 🇺🇸 US | Front2.85" O.D. X 0.32" Width | View on Amazon |
| SCHAEFFLER Fits: 5.3L V8 | SS3405 | 🇺🇸 US | RearViton-Teflon | View on Amazon |
| SKF Fits: 5.3L V8 | 38617 | 🇺🇸 US | Rear | View on Amazon |
| SKP Fits: 5.3L V8 | SK100470 | 🇺🇸 US | Frontfluoroelastomer | View on Amazon |
| SKP Fits: 5.3L V8 | SK100085 | 🇺🇸 US | Rear | View on Amazon |
| TIMKEN Fits: 5.3L V8 | 100085 | 🇺🇸 US | Rear | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | BS40640 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 191008001 | 🇺🇸 US | PTFESet | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.3L V8 | WS100085 | 🇺🇸 US | Inside Diameter: 3.8580000000000001 In | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.3L V8 | WS100470 | 🇺🇸 US | Front | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
27 Crankshaft Seal parts for the 2008 Buick Lacrosse come from 17 brands — APEX, GM GENUINE, TIMKEN and 14 other brands. The "Popular" part is APEX ABS371. A list this long means Crankshaft Seal applications vary by configuration — the notes carry the qualifiers.
Crankshaft Seal Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 635518 | 🇺🇸 US | Improved DesignMust Use Dorman 635-000 Installation Tool or Equivalent | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12639250 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| SKP Fits: 5.3L V8 | SK635518 | 🇺🇸 US | Includes Bolts, Gasket, Housing, and Seal | View on Amazon |
This table covers the Crankshaft Seal covers.
3 Crankshaft Seal Cover parts are listed for the 2008 Buick Lacrosse, from DORMAN, GM GENUINE and SKP.
Part numbers include DORMAN 635518, GM GENUINE 12639250 and SKP SK635518.
Crankshaft Seal Cover Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 635000 | 🇺🇸 US | IMPROVED DESIGN | View on Amazon |
This table covers the Crankshaft Seal Cover tools. This is a service tool, not a wear part — match the application in the notes.
One part is listed for the 2008 Buick Lacrosse — DORMAN 635000.
Crankshaft Seal Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12639249 | 🇺🇸 US 🇨🇦 CA | Color: Black, Coated Aluminum | View on Amazon |
This table covers the gaskets that seal the Crankshaft Seal. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12639249.
Cylinder Deactivation Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 917162XD | 🇺🇸 US | Gaskets IncludedImproved Design | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12698755 | 🇺🇸 US 🇨🇦 CA | Includes Cylinder Deactivation Solenoid, Gasket, Filter, Retainer, Bolts, Cap | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 5.3L V8 | CDS03 | 🇺🇸 US | Intermotor | View on Amazon |
| WELLS Fits: 5.3L V8 | 3N2002 | 🇺🇸 US | View on Amazon |
This table covers the Cylinder Deactivation solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
4 Cylinder Deactivation Solenoid parts for the 2008 Buick Lacrosse come from 4 brands — DORMAN, GM GENUINE, STANDARD MOTOR PRODUCTS and 1 other brand.
This group includes DORMAN 917162XD, GM GENUINE 12698755 and STANDARD MOTOR PRODUCTS CDS03 and the remaining parts above.
Cylinder Head
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12746921 | 🇺🇸 US 🇨🇦 CA | INCLUDES VALVESdoes not include Engine COOL Air Bleed PLUG (12602048) | View on Amazon |
This table covers the cylinder heads that close the top of the block.
This group shows a single part: GM GENUINE 12746921.
Cylinder Head Alignment Dowel Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12570326 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PIONEER Fits: 5.3L V8 | S1115 | 🇺🇸 US | View on Amazon | |
| PIONEER Fits: 5.3L V8 | PG525 | 🇺🇸 US | View on Amazon |
This table covers the Cylinder Head Alignment Dowel pins.
3 Cylinder Head Alignment Dowel Pin parts are listed for the 2008 Buick Lacrosse, from PIONEER and GM GENUINE.
This group includes GM GENUINE 12570326, PIONEER S1115 and PIONEER PG525.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | ES72220 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | GS33449 | 🇺🇸 US | Cylinder Head Bolt KitSet | View on Amazon |
| APEX Fits: 5.3L V8 | AHB389 | 🇺🇸 US | Set | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 19258707 | 🇺🇸 US 🇨🇦 CA | M11X2X100 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12558840 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM8X1.25X45 | View on Amazon |
| SKP Fits: 5.3L V8 | SKAHB389 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: 5.3L V8 | 141008901 | 🇺🇸 US | Set | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
7 Cylinder Head Bolt parts are listed for the 2008 Buick Lacrosse, from GM GENUINE, FEL-PRO, MAHLE / CLEVITE and 3 other brands. FEL-PRO ES72220 carries the "Popular" badge.
Listed part numbers: FEL-PRO ES72220, MAHLE / CLEVITE GS33449 and APEX AHB389, plus the other parts above.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | 26190PT | 🇺🇸 US | Permatorquemls Laserweld Technology | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | 54442 | 🇺🇸 US | Consolidated MLS DesignMulti-Layered Steel | View on Amazon |
| SKP Popular Fits: 5.3L V8 | SK54442 | 🇺🇸 US | Multi-Layered Steel | View on Amazon |
| AJUSA Fits: 5.3L V8 | 10241700 | 🇺🇸 US | Multi Layered Steel | View on Amazon |
| APEX Fits: 5.3L V8 | AHG389 | 🇺🇸 US | View on Amazon | |
| ENGINETECH Fits: 5.3L V8 | HC293B | 🇺🇸 US | Multi-Layer Steel | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | PHC293A | 🇺🇸 US | Fire Seal Premium Head MLS Gasket | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | PHC293B | 🇺🇸 US | Fire Seal Premium Head MLS Gasket | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12589226 | 🇺🇸 US 🇨🇦 CA | HEAD BOLT REPLACEMENT REQUIRED | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 0941006 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: 5.3L V8 | 611064800 | 🇺🇸 US | Thick: 0.053 In | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
11 Cylinder Head Gasket parts are listed for the 2008 Buick Lacrosse, from ENGINETECH, FEL-PRO, MAHLE / CLEVITE and 6 other brands. FEL-PRO 26190PT carries the "Popular" badge.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.3L V8 | AHS3134 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Popular Fits: 5.3L V8 | HS26190PT3 | 🇺🇸 US | Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | HS26190PT3VK | 🇺🇸 US | Permadry Molded Rubber Valve Cover Gasket(s) IncludedIncludes Head Bolts, Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | HS54442B | 🇺🇸 US | Includes Valve Stem Seals | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | HS26190PT3 | 🇺🇸 US 🇨🇦 CA | Head Bolts Not IncludedHead Bolt Replacement Recommended | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 021047401 | 🇺🇸 US | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
6 Cylinder Head Gasket Set parts are listed for the 2008 Buick Lacrosse, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. APEX AHS3134 carries the "Popular" badge.
Listed part numbers: APEX AHS3134, FEL-PRO HS26190PT3 and FEL-PRO HS26190PT3VK, plus the other parts above.
Cylinder Head Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 11562126 | 🇺🇸 US 🇨🇦 CA | Cup, 32.03X7.88X1.27, S30400 Stainless Steel Per SAE J405 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 11610259 | 🇺🇸 US 🇨🇦 CA | M12X1.5X21.2Hex, Socket | View on Amazon |
This table covers the Cylinder Head plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
2 Cylinder Head Plug parts for the 2008 Buick Lacrosse come from GM GENUINE.
Part numbers include GM GENUINE 11562126 and GM GENUINE 11610259.
Cylinder Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | CSL355F | 🇺🇸 US | Aluminum Cylinder Block OnlySemi Finished Inside Diameter | View on Amazon |
This table covers the wear sleeves used to restore a Cylinder seal surface.
One part is listed for the 2008 Buick Lacrosse — MELLING CSL355F.
Engine Block Heater
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12586687 | 🇺🇸 US 🇨🇦 CA | Engine Block Heater (K05) | View on Amazon |
| KAT'S HEATERS Fits: 5.3L V8 | 11484 | 🇺🇸 US | Freeze Plug Heater | View on Amazon |
This table covers the block heaters that warm the coolant or oil in cold weather.
2 Engine Block Heater parts for the 2008 Buick Lacrosse come from 2 brands — GM GENUINE and KAT'S HEATERS.
Listed part numbers: GM GENUINE 12586687 and KAT'S HEATERS 11484.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 5.3L V8 | 50554500 | 🇺🇸 US | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 0900037 | 🇺🇸 US | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
2 Engine Kit Gasket Set parts are listed for the 2008 Buick Lacrosse, from AJUSA and ITM ENGINE COMPONENTS.
This group includes AJUSA 50554500 and ITM ENGINE COMPONENTS 0900037.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | V1935 | 🇺🇸 US | OE Replacement | View on Amazon |
| SBI Popular Fits: 5.3L V8 | 01935 | 🇺🇸 US | View on Amazon | |
| ENGINETECH Fits: 5.3L V8 | 730128 | 🇺🇸 US | High Performance.3134" Stem | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | 730138 | 🇺🇸 US | High Performance.3134" Stem | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | 2114172 | 🇺🇸 US | 1.551 IN Head Diameter0.3134 IN Stem Diameter | View on Amazon |
| MELLING Fits: 5.3L V8 | V1935S | 🇺🇸 US | STELLITE | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 101935 | 🇺🇸 US | 1.550 Head Dia. 4.915 OAL | View on Amazon |
This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
7 Exhaust Valve parts for the 2008 Buick Lacrosse come from 5 brands — MELLING, ENGINETECH, SBI and 2 other brands. The "Popular" part is MELLING V1935.
This group includes MELLING V1935, SBI 01935 and ENGINETECH 730128 and the remaining parts above.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | MPE900BR | 🇺🇸 US | BrassOil Galley Plug Not Included | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | MPE900BRGP | 🇺🇸 US | Includes Oil Galley PlugBrass | View on Amazon |
| MELLING Fits: 5.3L V8 | MPE901BR | 🇺🇸 US | BrassCylinder Head Plug Kit | View on Amazon |
| PIONEER Fits: 5.3L V8 | PG460 | 🇺🇸 US | Steel | View on Amazon |
| PIONEER Fits: 5.3L V8 | PE496 | 🇺🇸 US | Steel | View on Amazon |
| PIONEER Fits: 5.3L V8 | PE496B | 🇺🇸 US | Brass | View on Amazon |
This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
6 Expansion Plug parts are listed for the 2008 Buick Lacrosse, from MELLING and PIONEER. MELLING MPE900BR carries the "Popular" badge.
This group includes MELLING MPE900BR, MELLING MPE900BRGP and MELLING MPE901BR and the remaining parts above.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: 5.3L V8 | 102370 | 🇺🇸 US | View on Amazon | |
| DORMAN Fits: 5.3L V8 | 594563 | 🇺🇸 US | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
2 Harmonic Balancer parts are listed for the 2008 Buick Lacrosse, from ATP and DORMAN.
Listed part numbers: ATP 102370 and DORMAN 594563.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 917139 | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.3L V8 | 12557840 | 🇺🇸 US 🇨🇦 CA | M16X2.0X103 | View on Amazon |
This table covers the Harmonic Balancer bolts.
2 Harmonic Balancer Bolt parts for the 2008 Buick Lacrosse come from 2 brands — DORMAN and GM GENUINE.
Part numbers include DORMAN 917139 and GM GENUINE 12557840.
Intake Manifold
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 89018187 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone.
This group shows a single part: GM GENUINE 89018187.
Intake Manifold Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.3L V8 | 1302001 | 🇺🇸 US 🇨🇦 CA | Hex Bolt Head | View on Amazon |
| ARP Fits: 5.3L V8 | 1302101 | 🇺🇸 US 🇨🇦 CA | Black Oxide12 Point Bolt Head | View on Amazon |
| ARP Fits: 5.3L V8 | 4302101 | 🇺🇸 US 🇨🇦 CA | Stainless Steel12 Point Bolt Head | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12552344 | 🇺🇸 US 🇨🇦 CA | M6X1.0X114.0 | View on Amazon |
This table covers the Intake Manifold bolts.
4 Intake Manifold Bolt parts are listed for the 2008 Buick Lacrosse, from ARP and GM GENUINE.
Listed part numbers: ARP 1302001, ARP 1302101 and ARP 4302101, plus the other parts above.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.3L V8 | AMS3891 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | MS19501 | 🇺🇸 US | Molded Rubber | View on Amazon |
| SKP Popular Fits: 5.3L V8 | SKMS96871 | 🇺🇸 US | View on Amazon | |
| APEX Fits: 5.3L V8 | AMS3890 | 🇺🇸 US | Set | View on Amazon |
| APEX Fits: 5.3L V8 | AMS3892 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | MS96857 | 🇺🇸 US | Valley Gasket | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | MS96941 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | MS96871 | 🇺🇸 US | Valley GasketSet | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 89017769 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS19431 | 🇺🇸 US | SetRubber | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | MS20203 | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 111032001 | 🇺🇸 US | Lowerwithout Displacement On Demand (DOD) Type Solenoid | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 111054001 | 🇺🇸 US | Set | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 111049101 | 🇺🇸 US | Set | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
14 Intake Manifold Gasket parts are listed for the 2008 Buick Lacrosse, from APEX, MAHLE / CLEVITE, FEL-PRO and 3 other brands. APEX AMS3891 carries the "Popular" badge.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | V2000 | 🇺🇸 US | View on Amazon | |
| SBI Popular Fits: 5.3L V8 | 02000 | 🇺🇸 US | View on Amazon | |
| ENGINETECH Fits: 5.3L V8 | 730108 | 🇺🇸 US | High Performance.3138" Stem | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | 730118 | 🇺🇸 US | High Performance.3138" Stem | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | 730098 | 🇺🇸 US | High Performance.3138" Stem | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12563063 | 🇺🇸 US 🇨🇦 CA | 4 speed Automatic trans.Standard | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | 2114171 | 🇺🇸 US | 2.000 IN Head Diameter0.3136 IN Stem Diameter | View on Amazon |
| MELLING Fits: 5.3L V8 | 456230 | 🇺🇸 US | High Performance | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 101934 | 🇺🇸 US | 1.890 Head Diameter. | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
9 Intake Valve parts for the 2008 Buick Lacrosse come from 6 brands — ENGINETECH, MELLING, SBI and 3 other brands. The "Popular" part is MELLING V2000.
This group includes MELLING V2000, SBI 02000 and ENGINETECH 730108 and the remaining parts above.
Motor Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 5.3L V8 | SKMA2990 | 🇺🇸 US | Rear Right | View on Amazon |
| SKP Fits: 5.3L V8 | SKM3093 | 🇺🇸 US | Front | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Popular Fits: 5.3L V8 | 2990 | 🇺🇸 US | Rear Right | View on Amazon |
| DEA / MARMON RIDE CONTROL Popular Fits: 5.3L V8 | A5263 | 🇺🇸 US | Front, Strut to Radiator Support, Bracket Only | View on Amazon |
| GM GENUINE Popular Fits: 5.3L V8 | 10448575 | 🇺🇸 US 🇨🇦 CA | White | View on Amazon |
| ANCHOR Fits: 5.3L V8 | 3093 | 🇺🇸 US | Front RightHydraulic | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: 5.3L V8 | A2990 | 🇺🇸 US | Rear | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: 5.3L V8 | A5323HY | 🇺🇸 US | Front Lower, Fits left and right | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 10348601 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| PIONEER Fits: 5.3L V8 | 605263 | 🇺🇸 US | Fits Front Right | View on Amazon |
| PIONEER Fits: 5.3L V8 | 602990 | 🇺🇸 US | Rear | View on Amazon |
| PIONEER Fits: 5.3L V8 | 615323 | 🇺🇸 US | Front | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM2990 | 🇺🇸 US | Rear | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM3093 | 🇺🇸 US | Front | View on Amazon |
This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
14 Motor Mount parts for the 2008 Buick Lacrosse come from 6 brands — DEA / MARMON RIDE CONTROL, PIONEER, SKP and 3 other brands. The "Popular" part is ANCHOR 2990.
The Economy section lists 2 options from SKP — the catalog's value-priced group. SKP SKMA2990 is listed in this group.
Standard Replacement: 12 parts, from DEA / MARMON RIDE CONTROL, PIONEER, ANCHOR and 2 other brands. A representative part number is ANCHOR 2990.
Motor Mount Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL Fits: 5.3L V8 | AM273 | 🇺🇸 US | Fits Front Left, Strut to Radiator Support, Bracket | View on Amazon |
This table covers the Motor Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
This group shows a single part: DEA / MARMON RIDE CONTROL AM273.
Motor Mount Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 5.3L V8 | 300935 | 🇺🇸 US | with Torque Strut Bushing Onlywith Torque Strut Reuse OE Bracket | View on Amazon |
| ANCHOR Fits: 5.3L V8 | 300934 | 🇺🇸 US | with Complete Mounts | View on Amazon |
This table covers the Motor Mount kits.
2 Motor Mount Kit parts for the 2008 Buick Lacrosse come from ANCHOR.
This group includes ANCHOR 300935 and ANCHOR 300934.
Oil
Summary: Notes list SAE 0W-30 and SAE 5W-30. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE, MOBIL and LIQUI MOLY.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: 5.3L V8 | 20228 | 🇺🇸 US | Molygen New Generation 5W-305 Liter | View on Amazon |
| MOBIL Popular Fits: 5.3L V8 | 125195 | 🇺🇸 US | Full Synthetic 5W-30Mobil Full Synthetic | View on Amazon |
| MOBIL Popular Fits: 5.3L V8 | 124315 | 🇺🇸 US | 5W-30Mobil 1 Advanced | View on Amazon |
| IDEMITSU Fits: 5.3L V8 | 30015204750 | 🇺🇸 US | IFG3 5W-30 SP/Motor Oil1 Quart | View on Amazon |
| IDEMITSU Fits: 5.3L V8 | 30013015750 | 🇺🇸 US | Full Synthetic 5W-30 GF-6/SP1 Quart | View on Amazon |
| IDEMITSU Fits: 5.3L V8 | 30013015953 | 🇺🇸 US | Full Synthetic 5W-30 GF-6/SP5 Quart | View on Amazon |
| LIQUI MOLY Fits: 5.3L V8 | 20136 | 🇺🇸 US | Special Tec AA 5W-301 Liter | View on Amazon |
| LIQUI MOLY Fits: 5.3L V8 | 20226 | 🇺🇸 US | Molygen New Generation 5W-301 Liter | View on Amazon |
| LIQUI MOLY Fits: 5.3L V8 | 20138 | 🇺🇸 US | Special Tec AA 5W-305 Liter | View on Amazon |
| LUCAS OIL Fits: 5.3L V8 | 10049 | 🇺🇸 US | FULL SYNTHETIC MOTOR OIL SAE 5W-301 qt | View on Amazon |
| LUCAS OIL Fits: 5.3L V8 | 18005 | 🇺🇸 US | Full Synthetic Motor Oil SAE 5W-306 Gallon | View on Amazon |
| LUCAS OIL Fits: 5.3L V8 | 18008 | 🇺🇸 US | Full Synthetic Motor Oil SAE 0W-306 Gallon | View on Amazon |
| MOBIL Fits: 5.3L V8 | 112627 | 🇺🇸 US | Extended Performance 5W-30Mobil 1 Extended Performance | View on Amazon |
| PENTOSIN Fits: 5.3L V8 | 8044214 | 🇺🇸 US | 5W-30-Pentospeed-DEXOS1 GEN31 Liter | View on Amazon |
| PENTOSIN Fits: 5.3L V8 | 8044216 | 🇺🇸 US | 5W-30-Pentospeed-DEXOS1 GEN35 Liters | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | VV955 | 🇺🇸 US | Advanced Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 891678 | 🇺🇸 US | Extended Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 904564 | 🇺🇸 US | Restore & Protect Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 891670 | 🇺🇸 US | Extended Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 904566 | 🇺🇸 US | Restore & Protect Full Synthetic SAE 5W-305 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 881164 | 🇺🇸 US | Advanced Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 5.3L V8 | VV1556 | 🇺🇸 US | Max Life High Mileage Synthetic Blend SAE 5W-301 Quart | View on Amazon |
| MOBIL Fits: 5.3L V8 | 103767 | 🇺🇸 US | High Mileage 5W-30Mobil 1 High Mileage | View on Amazon |
| MOBIL Fits: 5.3L V8 | 123842 | 🇺🇸 US | Extended Performance High Mileage 5W-30Synthetic | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | VV179 | 🇺🇸 US | Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 881163 | 🇺🇸 US | Max Life High Mileage Synthetic Blend SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 881169 | 🇺🇸 US | Full Synthetic High Mileage with Max Life Technology SAE 5W-30Easy Pour 5 Quart | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 5.3L V8 | 109290 | 🇺🇸 US | Synthetic BlendAPI SP Specifications | View on Amazon |
| MOBIL Popular Fits: 5.3L V8 | 124407 | 🇺🇸 US | Super 5W-30Mobil Super | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 797975 | 🇺🇸 US | Daily Protection SAE 5W-30 Synthetic Blend1 Quart | View on Amazon |
| VALVOLINE Fits: 5.3L V8 | 881159 | 🇺🇸 US | Daily Protection SAE 5W-30 Synthetic BlendEasy Pour 5 Quart | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
31 Oil parts for the 2008 Buick Lacrosse come from 7 brands — VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. The "Popular" part is LIQUI MOLY 20228. Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend are all represented, and Full Synthetic alone accounts for 21 parts.
Oil Cooler Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | 72435 | 🇺🇸 US | with Oval Port | View on Amazon |
| FEL-PRO Popular Fits: 5.3L V8 | 72462 | 🇺🇸 US | Center Tubewith Dual Round Port | View on Amazon |
| APEX Fits: 5.3L V8 | AOM6016 | 🇺🇸 US | Oval Port | View on Amazon |
| APEX Fits: 5.3L V8 | AOM6015 | 🇺🇸 US | Dual round port | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | B31867 | 🇺🇸 US | Beaded Steel | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | B31872 | 🇺🇸 US | Engine Oil Cooler GasketMetal with Molded Rubber | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 711350900 | 🇺🇸 US | Replaces OE Part Number(s) 12593252, 12611384with Oval Ports | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 711351000 | 🇺🇸 US | CenterReplaces OE Part Number(s) 12561710 | View on Amazon |
This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
8 Oil Cooler Gasket parts are listed for the 2008 Buick Lacrosse, from FEL-PRO, APEX, MAHLE / CLEVITE and 1 other brand. FEL-PRO 72435 carries the "Popular" badge.
Part numbers include FEL-PRO 72435, FEL-PRO 72462 and APEX AOM6016, among others listed above.
Oil Cooler Mounting Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HAYDEN Fits: 5.3L V8 | 238 | 🇺🇸 US | Rubber Block Mounting Kit for Heavy Duty Oil Cooler | View on Amazon |
| HAYDEN Fits: 5.3L V8 | 153 | 🇺🇸 US | Metal Mounting Bracket Kit for Heavy Duty Oil Cooler | View on Amazon |
This table covers the Oil Cooler Mounting kits.
HAYDEN supplies both parts for the 2008 Buick Lacrosse.
Part numbers include HAYDEN 238 and HAYDEN 153.
Oil Cooler Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Fits: 5.3L V8 | 72435 | 🇺🇸 US 🇨🇦 CA | Oval Port | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | 72462 | 🇺🇸 US 🇨🇦 CA | with Dual Round PortCenter Tube | View on Amazon |
This table covers the seals at the Oil Cooler. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
ULTRA-POWER supplies both parts for the 2008 Buick Lacrosse.
Part numbers include ULTRA-POWER 72435 and ULTRA-POWER 72462.
Oil Dipstick / Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.3L V8 | 73889 | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.3L V8 | 24504031 | 🇺🇸 US 🇨🇦 CA | 6.07 ID1.78 Diameter | View on Amazon |
This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Oil Dipstick / Tube Seal parts are listed for the 2008 Buick Lacrosse, from FEL-PRO and GM GENUINE.
Listed part numbers: FEL-PRO 73889 and GM GENUINE 24504031.
Oil Drain Plug
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 090175 | 🇺🇸 US | Integrated GasketM12 x 1.75 Thread | View on Amazon |
Twist Drain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 092018 | 🇺🇸 US | Thread Size: M12-1.75Twist Style | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 5.3L V8 | 090034 | 🇺🇸 US | M12 x 1.75 Thread | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 11562588 | 🇺🇸 US 🇨🇦 CA | with SealExc. Magnet | View on Amazon |
| VAICO Fits: 5.3L V8 | V400755 | 🇺🇸 US | Thread Size: M 12 X 1,75Includes Gasket | View on Amazon |
This table covers the drain plugs in the oil pan.
5 Oil Drain Plug parts for the 2008 Buick Lacrosse come from 3 brands — DORMAN, GM GENUINE and VAICO. The "Popular" part is DORMAN 090034.
The Economy section: 1 option from DORMAN. DORMAN 090175 is listed in this group.
In the Twist Drain grade, DORMAN supplies 1 part: grouped under the catalog's "Twist Drain" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 092018.
3 further parts sit outside the graded sections, with the same engine-level match.
Part numbers include DORMAN 090034, DORMAN 090175 and DORMAN 092018, among others listed above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 5.3L V8 | 97119 | 🇺🇸 US | Rubber GasketRubber | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12616850 | 🇺🇸 US 🇨🇦 CA | Diameter 19.39 | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | 097119 | 🇺🇸 US 🇨🇦 CA | ID: 0.448"RUBBER GASKET | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
3 Oil Drain Plug Gasket parts are listed for the 2008 Buick Lacrosse, from DORMAN, GM GENUINE and ULTRA-POWER.
This group includes DORMAN 97119, GM GENUINE 12616850 and ULTRA-POWER 097119.
Oil Drain Plug Insert
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 11503302 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Drain Plug inserts.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 11503302.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 5.3L V8 | FC208 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| MOTORAD Popular Fits: 5.3L V8 | MO99 | 🇺🇸 US | View on Amazon | |
| CALORSTAT Fits: 5.3L V8 | OC2314 | 🇺🇸 US | PlasticTwist-On | View on Amazon |
| DORMAN Fits: 5.3L V8 | 42315 | 🇺🇸 US | with SAE 5W30 On Cap | View on Amazon |
| GATES Fits: 5.3L V8 | 31103 | 🇺🇸 US | View on Amazon | |
| SKP Fits: 5.3L V8 | SKMO99 | 🇺🇸 US | with Plastic cap | View on Amazon |
This table covers the caps on the oil filler neck.
6 Oil Filler Cap parts for the 2008 Buick Lacrosse come from 6 brands — ACDELCO, MOTORAD, CALORSTAT and 3 other brands. The "Popular" part is ACDELCO FC208.
Listed part numbers: ACDELCO FC208, MOTORAD MO99 and CALORSTAT OC2314, plus the other parts above.
Oil Filler Cap Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.3L V8 | 73193 | 🇺🇸 US | Services OEM bonded Cap sealAftermarket Design | View on Amazon |
This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2008 Buick Lacrosse — FEL-PRO 73193.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FRAM Fits: 5.3L V8 | FE10060 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: 5.3L V8 | R7060 | 🇺🇸 US | View on Amazon | |
| PRO-TEC Fits: 5.3L V8 | PXL57060 | 🇺🇸 US | View on Amazon | |
| PUROLATOR Fits: 5.3L V8 | PL12222 | 🇺🇸 US | Bypass Relief Valve Setting: 12-15 PSIMedia Material: Enhanced Cellulose | View on Amazon |
| VAICO Fits: 5.3L V8 | V400978 | 🇺🇸 US | DURAGUARD (without TOP MOUNTED FILTER BYPASS VALVE) | View on Amazon |
| VARIOUS MFR Fits: 5.3L V8 | PG2222 | 🇺🇸 US | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular Fits: 5.3L V8 | 57060XP | 🇺🇸 US | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
| MOBIL Fits: 5.3L V8 | M1113A | 🇺🇸 US | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 5.3L V8 | PF48 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentFilter Media Material: Enhanced Cellulose | View on Amazon |
| BOSCH Popular Fits: 5.3L V8 | 3334 | 🇺🇸 US | Premium Oil FilterConnection Size: M22X1.5 | View on Amazon |
| WIX Popular Fits: 5.3L V8 | 57060 | 🇺🇸 US | Spin-On Lube Filter | View on Amazon |
| ACDELCO Fits: 5.3L V8 | PF48B | 🇺🇸 US 🇨🇦 CA | SilverWhite Shell | View on Amazon |
| ACDELCO Fits: 5.3L V8 | PF48E | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentFilter Media Material: Polyester | View on Amazon |
| DENSO Fits: 5.3L V8 | 1502020 | 🇺🇸 US | Engine Oil Filter or FTF Engine Oil Filter | View on Amazon |
| HASTINGS / BALDWIN Fits: 5.3L V8 | LF613 | 🇺🇸 US | View on Amazon | |
| HENGST Fits: 5.3L V8 | H98W | 🇺🇸 US | Spin-On | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | OC614 | 🇺🇸 US | Spin-On | View on Amazon |
| VARIOUS MFR Fits: 5.3L V8 | PG2222EX | 🇺🇸 US | Extended Life | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
18 Oil Filter parts for the 2008 Buick Lacrosse come from 14 brands — ACDELCO, VARIOUS MFR, WIX and 11 other brands. The "Popular" part is WIX 57060XP.
The Economy section: 6 options from FRAM, FVP, PRO-TEC and 3 other brands. FRAM FE10060 is listed in this group.
The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 57060XP is listed in this group.
Standard Replacement: 10 parts, from ACDELCO, BOSCH, WIX and 5 other brands. A representative part number is ACDELCO PF48.
Oil Filter Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12600225 | 🇺🇸 US 🇨🇦 CA | Threaded FittingM20XM22 | View on Amazon |
This table covers the Oil Filter adapters.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12600225.
Oil Filter Adapter Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.3L V8 | 73548 | 🇺🇸 US | Upper | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | 73555 | 🇺🇸 US | Lower | View on Amazon |
This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
FEL-PRO supplies both parts for the 2008 Buick Lacrosse.
Listed part numbers: FEL-PRO 73548 and FEL-PRO 73555.
Oil Filter Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: 5.3L V8 | AOM6015 | 🇺🇸 US | View on Amazon | |
| ULTRA-POWER Fits: 5.3L V8 | 72462 | 🇺🇸 US 🇨🇦 CA | Oil Filter Gasket or SealGasket | View on Amazon |
This table covers the gaskets that seal the Oil Filter. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Oil Filter Gasket parts are listed for the 2008 Buick Lacrosse, from APEX and ULTRA-POWER.
This group includes APEX AOM6015 and ULTRA-POWER 72462.
Oil Galley Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Fits: 5.3L V8 | OGV1 | 🇺🇸 US | GEN 3 | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12573460 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring | View on Amazon |
| MELLING Fits: 5.3L V8 | MOGP100 | 🇺🇸 US | View on Amazon | |
| MELLING Fits: 5.3L V8 | MOGP100HP | 🇺🇸 US | High PerformanceDouble O-Ring Design | View on Amazon |
This table covers the Oil Galley plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
4 Oil Galley Plug parts for the 2008 Buick Lacrosse come from 3 brands — MELLING, ENGINETECH and GM GENUINE.
Listed part numbers: ENGINETECH OGV1, GM GENUINE 12573460 and MELLING MOGP100, plus the other parts above.
Oil Level Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 2133945 | 🇺🇸 US 🇨🇦 CA | 4 speed Automatic trans. | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12603782 | 🇺🇸 US 🇨🇦 CA | Straight Electrical ConnectorMating Connector with Leads Use 12102747 | View on Amazon |
| WELLS Fits: 5.3L V8 | 5S3016 | 🇺🇸 US | View on Amazon |
This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
3 Oil Level Sensor parts for the 2008 Buick Lacrosse come from 2 brands — GM GENUINE and WELLS.
Listed part numbers: GM GENUINE 2133945, GM GENUINE 12603782 and WELLS 5S3016.
Oil Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.3L V8 | 795390 | 🇺🇸 US | View on Amazon | |
| PIONEER Fits: 5.3L V8 | S1350 | 🇺🇸 US | View on Amazon |
This table covers the Oil Pan bolts.
2 Oil Pan Bolt parts for the 2008 Buick Lacrosse come from 2 brands — ELRING and PIONEER.
This group includes ELRING 795390 and PIONEER S1350.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | OS30693R | 🇺🇸 US | Permadry Molded Rubber | View on Amazon |
| ULTRA-POWER Popular Fits: 5.3L V8 | OS30693R | 🇺🇸 US 🇨🇦 CA | Molded Rubber Gasket(s) IncludedMolded Rubber | View on Amazon |
| APEX Fits: 5.3L V8 | AOP371 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.3L V8 | 3112612350 | 🇺🇸 US | Also Fits LS6. Does Not Fit LS7 and LS9 | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 3130693R | 🇺🇸 US | View on Amazon | |
| ENGINETECH Fits: 5.3L V8 | OC293A | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.3L V8 | 12643081 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: 5.3L V8 | OS32241 | 🇺🇸 US | Molded Rubber | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 101022301 | 🇺🇸 US | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
9 Oil Pan Gasket parts for the 2008 Buick Lacrosse come from 8 brands — ENGINE PRO, FEL-PRO, ULTRA-POWER and 5 other brands. The "Popular" part is FEL-PRO OS30693R.
Part numbers include FEL-PRO OS30693R and APEX AOP371, among others listed above.
Oil Pan Gasket Rivet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12558759 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pan Gasket rivets.
This group shows a single part: GM GENUINE 12558759.
Oil Pressure Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12585328 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring | View on Amazon |
| SKP Popular Fits: 5.3L V8 | SK917143 | 🇺🇸 US | For Oil Pressure Sensor | View on Amazon |
| DORMAN Fits: 5.3L V8 | 917143 | 🇺🇸 US | For Oil Pressure Sensor | View on Amazon |
| MELLING Fits: 5.3L V8 | MOF100 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 5.3L V8 | EOF100 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 5.3L V8 | 7F1046 | 🇺🇸 US | View on Amazon |
This table covers the Oil Pressure filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
6 Oil Pressure Filter parts are listed for the 2008 Buick Lacrosse, from GM GENUINE, SKP, DORMAN and 3 other brands. GM GENUINE 12585328 carries the "Popular" badge.
This group includes GM GENUINE 12585328, SKP SK917143 and DORMAN 917143 and the remaining parts above.
Oil Pressure Relief Valve Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.3L V8 | 73546 | 🇺🇸 US | View on Amazon |
This table covers the gaskets that seal the Oil Pressure Relief Valve. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2008 Buick Lacrosse — FEL-PRO 73546.
Oil Pressure Relief Valve Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | M29537 | 🇺🇸 US | Contains 5 Pieces | View on Amazon |
This table covers the Oil Pressure Relief Valve plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
This group shows a single part: MELLING M29537.
Oil Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 5.3L V8 | SKPM365 | 🇺🇸 US | View on Amazon | |
| ULTRA-POWER Fits: 5.3L V8 | M365 | 🇺🇸 US 🇨🇦 CA | Does Not Include Oil Pickup Tube Assy | View on Amazon |
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | 10355HV | 🇺🇸 US | High PerformanceHigh Volume and High Pressure +10 PSI Higher Pressure High Performance Oil Pump | View on Amazon |
| MELLING Fits: 5.3L V8 | 10355 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
High Volume / Pressure
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | M365HV | 🇺🇸 US | 20% Additional Volume Over Stock Oil PumpDoes Not Include Oil Pickup Tube Assembly | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | M365 | 🇺🇸 US | Does Not Include Oil Pickup Tube Assembly | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12710304 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SEALED POWER Fits: 5.3L V8 | 22443669 | 🇺🇸 US | Does Not Include Oil Pickup Tube Assembly | View on Amazon |
| VAICO Fits: 5.3L V8 | V510666 | 🇺🇸 US | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SEALED POWER Fits: 5.3L V8 | 22443711HV | 🇺🇸 US | High Volume | View on Amazon |
This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
10 Oil Pump parts for the 2008 Buick Lacrosse come from 6 brands — MELLING, SEALED POWER, SKP and 3 other brands. The "Popular" part is MELLING M365HV.
The Economy section: 2 options from SKP and ULTRA-POWER. SKP SKPM365 is listed in this group.
The High Performance section: 2 options from MELLING. MELLING 10355HV is listed in this group.
The High Volume / Pressure section lists 1 option from MELLING — grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. MELLING M365HV is listed in this group.
Standard Replacement: 4 parts, from MELLING, GM GENUINE, SEALED POWER and 1 other brand. A representative part number is MELLING M365.
1 further part sits outside the graded sections, with the same engine-level match.
Oil Pump Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.3L V8 | 795390 | 🇺🇸 US | View on Amazon |
This table covers the Oil Pump Cover bolts.
This group shows a single part: ELRING 795390.
Oil Pump Drive Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 5.3L V8 | 9228 | 🇺🇸 US | High Performance | View on Amazon |
This table covers the Oil Pump Drive gears.
One part is listed for the 2008 Buick Lacrosse — CLOYES 9228.
Oil Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12584922 | 🇺🇸 US 🇨🇦 CA | TEFLON COATEDORANGE | View on Amazon |
This table covers the gaskets that seal the Oil Pump. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12584922.
Oil Pump Pickup Tube Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | M29500 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
This table covers the brackets that mount the Oil Pump Pickup Tube. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
This group shows a single part: MELLING M29500.
Oil Pump Pickup Tube O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: 5.3L V8 | AOM6014 | 🇺🇸 US | Inlet Tube | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | 72401 | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE Fits: 5.3L V8 | B32790 | 🇺🇸 US | Oil Pump Pick-up Tube GasketMolded Rubber | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 411041600 | 🇺🇸 US | Inlet Tube | View on Amazon |
This table covers the O-rings that seal the oil-pump pickup tube. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
4 Oil Pump Pickup Tube O-Ring parts for the 2008 Buick Lacrosse come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
Listed part numbers: APEX AOM6014, FEL-PRO 72401 and MAHLE / CLEVITE B32790, plus the other parts above.
Oil Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 5.3L V8 | 3112584922 | 🇺🇸 US | View on Amazon |
This table covers the seals at the Oil Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2008 Buick Lacrosse — ENGINE PRO 3112584922.
Oil Strainer Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | M29517 | 🇺🇸 US | View on Amazon |
This table covers the gaskets that seal the Oil Strainer. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2008 Buick Lacrosse — MELLING M29517.
Piston
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.3L V8 | 2243729 | 🇺🇸 US | Skirt Coated | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | 2243729WR | 🇺🇸 US | with RingsSkirt Coated | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | H1132CPA | 🇺🇸 US | HypereutecticAlloy | View on Amazon |
| SILV-O-LITE Fits: 5.3L V8 | 3520HC | 🇺🇸 US | Hyper-CoatedFloating Pin Type | View on Amazon |
| SILV-O-LITE Fits: 5.3L V8 | 3520HCK1 | 🇺🇸 US | SilvoliteFloating Pin Type | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 89060486 | 🇺🇸 US 🇨🇦 CA | 4 speed Automatic trans.Standard | View on Amazon |
| ITM ENGINE COMPONENTS Popular Fits: 5.3L V8 | RY8500 | 🇺🇸 US | Flat TopHypereutectic | View on Amazon |
This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.
7 Piston parts are listed for the 2008 Buick Lacrosse, from MAHLE / CLEVITE, SILV-O-LITE, SEALED POWER and 2 other brands. GM GENUINE 89060486 carries the "Popular" badge.
The Premium section lists 5 options from MAHLE / CLEVITE, SILV-O-LITE and SEALED POWER — a step above OE specification in materials, tolerances or warranty terms. MAHLE / CLEVITE 2243729 is listed in this group.
The Standard Replacement section: 2 options from GM GENUINE and ITM ENGINE COMPONENTS. GM GENUINE 89060486 is listed in this group.
This group includes GM GENUINE 89060486, MAHLE / CLEVITE 2243729 and MAHLE / CLEVITE 2243729WR and the remaining parts above.
Piston Pin Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12569638 | 🇺🇸 US 🇨🇦 CA | Used with Federal Mogul Pistons | View on Amazon |
This table covers the Piston Pin retainers.
This group shows a single part: GM GENUINE 12569638.
Piston Ring
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Popular Fits: 5.3L V8 | 2M4978 | 🇺🇸 US | Plasma Moly Top RingTop Ring Surface Treatment: Plasma Moly | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | 41859CP | 🇺🇸 US | PremiumMaterial Carbon Steel / Carbon Steel / Stainless Steel | View on Amazon |
| HASTINGS MANUFACTURING Fits: 5.3L V8 | 2M4978S | 🇺🇸 US | Plasma Moly Top Ring1 Cylinder Set | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | E937K | 🇺🇸 US | PremiumRing Groove Widths: 1.5mm, 1.5mm, 3.0mm | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12670787 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12670788 | 🇺🇸 US 🇨🇦 CA | 0.5MM O.S. | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 0216837 | 🇺🇸 US | Set1.5 X 1.5 X 3mm | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
7 Piston Ring parts are listed for the 2008 Buick Lacrosse, from HASTINGS MANUFACTURING, GM GENUINE, MAHLE / CLEVITE and 2 other brands. HASTINGS MANUFACTURING 2M4978 carries the "Popular" badge.
The Premium section: 4 options from HASTINGS MANUFACTURING, MAHLE / CLEVITE and SEALED POWER. HASTINGS MANUFACTURING 2M4978 is listed in this group.
The Standard Replacement section: 3 options from GM GENUINE and ITM ENGINE COMPONENTS. GM GENUINE 12670787 is listed in this group.
Listed part numbers: HASTINGS MANUFACTURING 2M4978, MAHLE / CLEVITE 41859CP and HASTINGS MANUFACTURING 2M4978S, plus the other parts above.
Push Rod
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | 500704 | 🇺🇸 US | High PerformanceChrome Moly Steel | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 10238852 | 🇺🇸 US 🇨🇦 CA | Material: 1010 Steel | View on Amazon |
| MELLING Fits: 5.3L V8 | MPR614 | 🇺🇸 US | View on Amazon | |
| SBI Fits: 5.3L V8 | 1901537 | 🇺🇸 US | Intake and Exhaust7.397 Length | View on Amazon |
This table covers the pushrods that transfer lifter motion to the rocker arms.
4 Push Rod parts are listed for the 2008 Buick Lacrosse, from MELLING, GM GENUINE and SBI.
High Performance: 1 part, from MELLING. A representative part number is MELLING 500704.
The Standard Replacement section: 3 options from GM GENUINE, MELLING and SBI. GM GENUINE 10238852 is listed in this group.
Listed part numbers: MELLING 500704, GM GENUINE 10238852 and MELLING MPR614, plus the other parts above.
Push Rod Guide Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 5.3L V8 | MGP114HP | 🇺🇸 US | High Performance | View on Amazon |
This table covers the Push Rod Guide plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
One part is listed for the 2008 Buick Lacrosse — MELLING MGP114HP.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | MR1341 | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.3L V8 | 12681275 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 5.3L V8 | MRK100HP | 🇺🇸 US | KitHigh Performance | View on Amazon |
| SBI Fits: 5.3L V8 | 1801337 | 🇺🇸 US | Intake and ExhaustRoller Pivot Assy. | View on Amazon |
| SKP Fits: 5.3L V8 | SKMR1341 | 🇺🇸 US | ExhaustCentered | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
5 Rocker Arm parts for the 2008 Buick Lacrosse come from 4 brands — MELLING, GM GENUINE, SBI and 1 other brand. The "Popular" part is MELLING MR1341.
This group includes MELLING MR1341, GM GENUINE 12681275 and MELLING MRK100HP and the remaining parts above.
Rocker Arm Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12560961 | 🇺🇸 US 🇨🇦 CA | M8X1.25X52.5 | View on Amazon |
This table covers the Rocker Arm bolts.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12560961.
Rocker Arm Shaft Support
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12742404 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Rocker Arm Shaft supports.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12742404.
Rocker Arm Stud
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.3L V8 | 2347207 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 5.3L V8 | MRDS100HP | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
This table covers the Rocker Arm studs.
2 Rocker Arm Stud parts for the 2008 Buick Lacrosse come from 2 brands — ARP and MELLING.
Listed part numbers: ARP 2347207 and MELLING MRDS100HP.
Timing Cam Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | S894 | 🇺🇸 US | 1 Bolt, 4 Sensor, 58x Reluctor | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | S916 | 🇺🇸 US | Optional 3 Bolt4 Sensor Hub | View on Amazon |
| CLOYES Fits: 5.3L V8 | S894T | 🇺🇸 US | with 1 Bolt, 4 Sensor Hub | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12591689 | 🇺🇸 US 🇨🇦 CA | with Provision For One (1) 16MM Attachment Bolt | View on Amazon |
| INA Fits: 5.3L V8 | ZSS894T | 🇺🇸 US | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | G55894 | 🇺🇸 US | 1 Bolt4 Sensor Hub | View on Amazon |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | G56002 | 🇺🇸 US | Use When Upgrading To A 3 Bolt Camshaft4 Sensor Hub | View on Amazon |
| S.A. GEAR Fits: 5.3L V8 | S894 | 🇺🇸 US | CAM | View on Amazon |
This table covers the Timing Cam sprockets.
8 Timing Cam Sprocket parts for the 2008 Buick Lacrosse come from 6 brands — MELLING, PREFERRED COMPONENTS INC, CLOYES and 3 other brands. The "Popular" part is MELLING S894.
Listed part numbers: MELLING S894, MELLING S916 and CLOYES S894T, plus the other parts above.
Timing Chain
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 5.3L V8 | 9304 | 🇺🇸 US | High Performance | View on Amazon |
| CLOYES Fits: 5.3L V8 | 9303 | 🇺🇸 US | High Performance | View on Amazon |
| CLOYES Fits: 5.3L V8 | 9302 | 🇺🇸 US | High Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 5.3L V8 | 94205 | 🇺🇸 US | View on Amazon | |
| MELLING Popular Fits: 5.3L V8 | 3SRH60 | 🇺🇸 US | View on Amazon | |
| CLOYES Fits: 5.3L V8 | 93035 | 🇺🇸 US | Centerwith Single Roller Chain | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12646387 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| INA Fits: 5.3L V8 | ZC94205 | 🇺🇸 US | Timing Chain Type: Simplex | View on Amazon |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | C1360 | 🇺🇸 US | View on Amazon | |
| S.A. GEAR Fits: 5.3L V8 | 3SRH60 | 🇺🇸 US | Chain | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
10 Timing Chain parts are listed for the 2008 Buick Lacrosse, from CLOYES, MELLING, GM GENUINE and 3 other brands. CLOYES 94205 carries the "Popular" badge.
High Performance: 3 parts, from CLOYES. A representative part number is CLOYES 9304.
The Standard Replacement section: 7 options from CLOYES, MELLING, GM GENUINE and 3 other brands. CLOYES 94205 is listed in this group.
Timing Chain & Component Kit
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Popular Fits: 5.3L V8 | 76230 | 🇺🇸 US | Includes Cam Sprocket, Chain, Crank Sprocket, Tensioner | View on Amazon |
| GATES Fits: 5.3L V8 | CHK138 | 🇺🇸 US | Includes Timing Chain, Tensioner, Sprocket | View on Amazon |
| GATES Fits: 5.3L V8 | CHK137 | 🇺🇸 US | Includes Timing Chain, Tensioner, 2 SprocketsPrimary Sprockets Only | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 5.3L V8 | 05394302 | 🇺🇸 US | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | TS33227 | 🇺🇸 US | Timing Chain Tensioner Not Included | View on Amazon |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | TS13227 | 🇺🇸 US | Timing Chain Tensioner Included | View on Amazon |
| S.A. GEAR Fits: 5.3L V8 | 73164 | 🇺🇸 US | Includes Cam Sprocket, Chain, Crank Sprocket | View on Amazon |
| S.A. GEAR Fits: 5.3L V8 | 76230T | 🇺🇸 US | Does Not Include Camshaft SprocketIncludes Chain, Crank Sprocket, Tensioner | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | 94205SA | 🇺🇸 US 🇨🇦 CA | Sprockets Included | View on Amazon |
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 5.3L V8 | 93673TX9Z | 🇺🇸 US | Race BilletContains Crank Sprocket with 9 Keyways | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TX9ZR | 🇺🇸 US | Race Billet, with "Z" Chain | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TX3Z | 🇺🇸 US | Race BilletContains Crank Sprocket with 3 Keyways | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TX3ZR | 🇺🇸 US | Race Billet | View on Amazon |
| MELLING Fits: 5.3L V8 | 48565T9 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 48570T9 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 48564T9 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 48562T9 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 5.3L V8 | 94205SB | 🇺🇸 US | Includes: Timing Chain, Timing Chain Tensioner, Crankshaft Sprocket | View on Amazon |
| CLOYES Popular Fits: 5.3L V8 | 94205SA | 🇺🇸 US | Includes: Timing Chain, Timing Chain Tensioner, Crankshaft Sprocket, Camshaft Sprocket | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 33SRH60SF | 🇺🇸 US | Timing Chain Tensioner Not Included | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 33SRH60SB | 🇺🇸 US | Includes Chain Tensioner | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 33SRH60SG | 🇺🇸 US | Optional 3 Bolt Camshaft SprocketRequired When Using 3 Bolt Camshafts | View on Amazon |
| CLOYES Fits: 5.3L V8 | C3227 | 🇺🇸 US | Timing SetSet Contains: Timing Chain, Crankshaft Sprocket, Camshaft Sprocket | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TX3 | 🇺🇸 US | Race BilletContains Crank Sprocket with 3 Keyways | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TX9 | 🇺🇸 US | Race BilletContains Crank Sprocket with 9 Keyways | View on Amazon |
| CLOYES Fits: 5.3L V8 | 93673TE | 🇺🇸 US | Variable Valve Timing Components Not Included | View on Amazon |
| INA Fits: 5.3L V8 | ZCC3227 | 🇺🇸 US | Includes 1 Cam Sprocket, 1 Chain, 1 Crank Sprocket | View on Amazon |
| INA Fits: 5.3L V8 | ZC94205SB | 🇺🇸 US | Kit Contains 1 Chain, 1 Crankshaft Sprocket, 1 TensionerDoes Not Include Cam Sprocket | View on Amazon |
| INA Fits: 5.3L V8 | ZC94205SA | 🇺🇸 US | Includes 1 Cam Sprocket, 1 Chain, 1 Crank Sprocket, 1 Tensioner | View on Amazon |
| MELLING Fits: 5.3L V8 | 33SRH60S | 🇺🇸 US | Timing Chain Tensioner Not Included | View on Amazon |
| MELLING Fits: 5.3L V8 | TOPK1003 | 🇺🇸 US | Includes Chain Tensioner and Oil Pump | View on Amazon |
| MELLING Fits: 5.3L V8 | TOPK1003HV | 🇺🇸 US | Includes Chain Tensioner, M365HV High Volume Oil Pump20% Additional Volume Over Stock Oil Pump | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
32 Timing Chain & Component Kit parts for the 2008 Buick Lacrosse come from 8 brands — CLOYES, MELLING, S.A. GEAR and 5 other brands. The "Popular" part is S.A. GEAR 76230. They are grouped as Economy, High Performance and Standard Replacement, with Standard Replacement the largest group at 15 parts from CLOYES, MELLING and INA.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| S.A. GEAR Fits: 5.3L V8 | 91049 | 🇺🇸 US | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
One part is listed for the 2008 Buick Lacrosse — S.A. GEAR 91049.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12626407 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | BT5490 | 🇺🇸 US | View on Amazon | |
| CLOYES Fits: 5.3L V8 | 95490 | 🇺🇸 US | Inner | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | TT5490 | 🇺🇸 US | Tensioner/guide assembly | View on Amazon |
| INA Fits: 5.3L V8 | ZT95490 | 🇺🇸 US | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | T66092 | 🇺🇸 US | View on Amazon |
This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
6 Timing Chain Tensioner parts for the 2008 Buick Lacrosse come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12626407.
Part numbers include GM GENUINE 12626407, MELLING BT5490 and CLOYES 95490, among others listed above.
Timing Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: 5.3L V8 | 500323RSH | 🇺🇸 US | Rear Seal Housing | View on Amazon |
This table covers the Timing covers.
One part is listed for the 2008 Buick Lacrosse — PIONEER 500323RSH.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | TCS45993 | 🇺🇸 US | Must Use with Part Number(s) OS 30693 R | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | JV5158 | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| SKP Popular Fits: 5.3L V8 | SKTCS45993 | 🇺🇸 US | Gasket Kit | View on Amazon |
| APEX Fits: 5.3L V8 | ATC3710 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.3L V8 | 3112633904 | 🇺🇸 US | Also Fits LS6 Engine | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 3111062 | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.3L V8 | 12735382 | 🇺🇸 US 🇨🇦 CA | Crankshaft Seal Included: No | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | JV5022 | 🇺🇸 US | Set | View on Amazon |
| SKP Fits: 5.3L V8 | SK12633904 | 🇺🇸 US | Gasket Only | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | TCS45993 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 151019801 | 🇺🇸 US | Set | View on Amazon |
This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
11 Timing Cover Gasket parts for the 2008 Buick Lacrosse come from 8 brands — MAHLE / CLEVITE, SKP, ENGINE PRO and 5 other brands. The "Popular" part is FEL-PRO TCS45993.
Timing Cover Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: 5.3L V8 | SR3913 | 🇺🇸 US | 22.99 mm Width62 mm Outside Diameter | View on Amazon |
This table covers the wear sleeves used to restore a Timing Cover seal surface.
This group shows a single part: SCHAEFFLER SR3913.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 29602 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| SKF Fits: 5.3L V8 | 21605 | 🇺🇸 US | View on Amazon |
This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Timing Cover Seal parts for the 2008 Buick Lacrosse come from 2 brands — GM GENUINE and SKF.
Part numbers include GM GENUINE 29602 and SKF 21605.
Timing Crank Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12556582 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Popular Fits: 5.3L V8 | S827 | 🇺🇸 US | View on Amazon | |
| CLOYES Fits: 5.3L V8 | S827 | 🇺🇸 US | View on Amazon | |
| INA Fits: 5.3L V8 | ZSS827 | 🇺🇸 US | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 5.3L V8 | G55827 | 🇺🇸 US | View on Amazon | |
| S.A. GEAR Fits: 5.3L V8 | S827 | 🇺🇸 US | View on Amazon |
This table covers the crankshaft sprockets that drive the timing chain or belt.
6 Timing Crank Sprocket parts for the 2008 Buick Lacrosse come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12556582.
Listed part numbers: GM GENUINE 12556582 and MELLING S827, plus the other parts above.
Torque Strut Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 5.3L V8 | SKM3104 | 🇺🇸 US | View on Amazon |
This table covers the brackets that mount the Torque Strut. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
This group shows a single part: SKP SKM3104.
Torque Strut Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL Fits: 5.3L V8 | A2716 | 🇺🇸 US | Fits Front Right | View on Amazon |
This table covers the Torque Strut bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
This group shows a single part: DEA / MARMON RIDE CONTROL A2716.
Torque Strut Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 5.3L V8 | GM0916620 | 🇺🇸 US | Front Left | View on Amazon |
| SKP Fits: 5.3L V8 | SKM2866 | 🇺🇸 US | Fits Front RightComplete Part | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Popular Fits: 5.3L V8 | 2866 | 🇺🇸 US | Front LeftComplete Assembly | View on Amazon |
| ANCHOR Popular Fits: 5.3L V8 | 3104 | 🇺🇸 US | Front LeftStrut to Radiator Support | View on Amazon |
| DEA / MARMON RIDE CONTROL Popular Fits: 5.3L V8 | A2866 | 🇺🇸 US | Fits Front LeftComplete Part, Solid | View on Amazon |
| ANCHOR Fits: 5.3L V8 | 2716 | 🇺🇸 US | Front LeftBushing Only | View on Amazon |
| PIONEER Fits: 5.3L V8 | 632716 | 🇺🇸 US | Front | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM2866 | 🇺🇸 US | FrontComplete Unit | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM2866G | 🇺🇸 US | Gold Line | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM3104 | 🇺🇸 US | FrontBracket to Radiator Support | View on Amazon |
| WESTAR Fits: 5.3L V8 | EM4169 | 🇺🇸 US | FrontBracket to Radiator Support | View on Amazon |
This table covers the Torque Strut mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
11 Torque Strut Mount parts are listed for the 2008 Buick Lacrosse, from WESTAR, ANCHOR, AUTOTECNICA and 3 other brands. ANCHOR 2866 carries the "Popular" badge.
Economy: 2 parts, from AUTOTECNICA and SKP. A representative part number is AUTOTECNICA GM0916620.
The Standard Replacement section: 9 options from WESTAR, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand. ANCHOR 2866 is listed in this group.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 12622631 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers the Valve covers.
One part is listed for the 2008 Buick Lacrosse — GM GENUINE 12622631.
Valve Cover Bolt / Screw
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: 5.3L V8 | 4347505 | 🇺🇸 US 🇨🇦 CA | Stainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: 5.3L V8 | 4347504 | 🇺🇸 US 🇨🇦 CA | Block with 0.375" spacer12 Point Bolt Head | View on Amazon |
| ARP Fits: 5.3L V8 | 4347506 | 🇺🇸 US 🇨🇦 CA | Block with 0.750" spacer12 Point Bolt Head | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12577215 | 🇺🇸 US 🇨🇦 CA | with Grommet,SleeveM6.0X1.0 | View on Amazon |
This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first.
4 Valve Cover Bolt / Screw parts are listed for the 2008 Buick Lacrosse, from ARP and GM GENUINE.
Part numbers include ARP 4347505, ARP 4347504 and ARP 4347506, among others listed above.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | VS50504R | 🇺🇸 US | Permadry RubberValve Cover Grommets Not Included | View on Amazon |
| FEL-PRO Popular Fits: 5.3L V8 | VS50504R1 | 🇺🇸 US | Permadry Molded RubberIncludes Valve Cover Grommets | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | VS50250A | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| APEX Fits: 5.3L V8 | AVC371 | 🇺🇸 US | Does Not Include Grommets | View on Amazon |
| APEX Fits: 5.3L V8 | AVC371S | 🇺🇸 US | Includes Grommets | View on Amazon |
| BECK/ARNLEY Fits: 5.3L V8 | 0362045 | 🇺🇸 US | Includes Grommets | View on Amazon |
| ENGINE PRO Fits: 5.3L V8 | 3112637683 | 🇺🇸 US | Except 1997-1998 with Perimeter Bolts | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12637683 | 🇺🇸 US 🇨🇦 CA | Sold Individually | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 89017690 | 🇺🇸 US 🇨🇦 CA | Upperwithout The Center Portion | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | VS50250 | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | MS96871 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 151066301 | 🇺🇸 US | SetValve Cover Grommets Not Included | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 151041601 | 🇺🇸 US | SetIncludes Grommets | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
13 Valve Cover Gasket parts for the 2008 Buick Lacrosse come from 8 brands — FEL-PRO, MAHLE / CLEVITE, APEX and 5 other brands. The "Popular" part is FEL-PRO VS50504R.
Valve Cover Grommet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: 5.3L V8 | AES308 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.3L V8 | ES72233 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.3L V8 | GS33466 | 🇺🇸 US | KitSet | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 151014201 | 🇺🇸 US | Set | View on Amazon |
This table covers the Valve Cover grommets.
4 Valve Cover Grommet parts for the 2008 Buick Lacrosse come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
This group includes APEX AES308, FEL-PRO ES72233 and MAHLE / CLEVITE GS33466 and the remaining parts above.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: 5.3L V8 | 303053 | 🇺🇸 US | 2.115 OAL. 0.3154 I.D. 0.500 O.D. | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 303053H | 🇺🇸 US | 2.115 OAL. 0.3154 I.D. 0.500 O.D. Hardened | View on Amazon |
| SBI Fits: 5.3L V8 | 1403053 | 🇺🇸 US | Intake and Exhaust0.3154 I.D. | View on Amazon |
This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering.
3 Valve Guide parts for the 2008 Buick Lacrosse come from 2 brands — QUALCAST and SBI.
Part numbers include QUALCAST 303053, QUALCAST 303053H and SBI 1403053.
Valve Lifter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.3L V8 | 2131738 | 🇺🇸 US 🇨🇦 CA | Hydraulic | View on Amazon |
| SKP Fits: 5.3L V8 | SK12740071 | 🇺🇸 US | For Intake And Exhaust Valves, Cylinders 1, 4, 6, 7Active Fuel Management Engine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12698945 | 🇺🇸 US 🇨🇦 CA | LIFTERS ONLYNON-ACTIVE FUEL MANAGEMENT LIFTER | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | JB2079 | 🇺🇸 US | Hydraulic | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | JB8011 | 🇺🇸 US | Hydraulic | View on Amazon |
| ENGINETECH Fits: 5.3L V8 | LG2303K | 🇺🇸 US | KitContains L2303K-16, EG596(2) and EG608(2) | View on Amazon |
| MELLING Fits: 5.3L V8 | JBK8000 | 🇺🇸 US | Kit | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 362148 | 🇺🇸 US | Hydraulic Roller | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 362303 | 🇺🇸 US | Hydraulic Roller | View on Amazon |
| SBI Fits: 5.3L V8 | VL559 | 🇺🇸 US | Intake and Exhaust0.842 Body Diameter | View on Amazon |
| SBI Fits: 5.3L V8 | VL558 | 🇺🇸 US | Active Fuel Mgmt. Hydraulic Roller Type | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | HT2148AB | 🇺🇸 US | Hydraulic Roller Lifters | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | HT2148A | 🇺🇸 US | Hydraulic Roller Lifters | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | HT2320 | 🇺🇸 US | Do Not Use this Lifter in Dynamic Fuel Management (DFM) EnginesHT-2148A For Intake and Exhaust on Cylinder 2,3,5,8 | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
14 Valve Lifter parts for the 2008 Buick Lacrosse come from 8 brands — MELLING, SEALED POWER, QUALCAST and 5 other brands. The "Popular" part is GM GENUINE 12698945.
The Economy section: 2 options from MAHLE / CLEVITE and SKP. MAHLE / CLEVITE 2131738 is listed in this group.
Standard Replacement: 12 parts, from MELLING, SEALED POWER, QUALCAST and 3 other brands. A representative part number is GM GENUINE 12698945.
Valve Lifter Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12669185 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| GM GENUINE Popular Fits: 5.3L V8 | 12669184 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| MELLING Fits: 5.3L V8 | MLG101 | 🇺🇸 US | Front | View on Amazon |
| MELLING Fits: 5.3L V8 | MLG102 | 🇺🇸 US | Rear | View on Amazon |
| SBI Fits: 5.3L V8 | VL558FG | 🇺🇸 US | Intake and ExhaustAFM Lifter Guide - Front Type | View on Amazon |
| SBI Fits: 5.3L V8 | VL558RG | 🇺🇸 US | Intake and ExhaustAFM Lifter Guide-Rear Type | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | HT2323K | 🇺🇸 US | RearActive Fuel Management Engine | View on Amazon |
| SEALED POWER Fits: 5.3L V8 | HT2322K | 🇺🇸 US | FrontActive Fuel Management Engine | View on Amazon |
This table covers the guides that keep each lifter aligned.
8 Valve Lifter Guide parts for the 2008 Buick Lacrosse come from 4 brands — GM GENUINE, MELLING, SBI and 1 other brand. The "Popular" part is GM GENUINE 12669185.
This group includes GM GENUINE 12669185, GM GENUINE 12669184 and MELLING MLG101 and the remaining parts above.
Valve Seat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Popular Fits: 5.3L V8 | 21162564 | 🇺🇸 US | INSERT | View on Amazon |
| SBI Popular Fits: 5.3L V8 | SB162564 | 🇺🇸 US | High ChromeFor Aluminum Cylinder Head | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 21206250 | 🇺🇸 US | INSERT | View on Amazon |
| SBI Fits: 5.3L V8 | SB206251 | 🇺🇸 US | High ChromeFor Aluminum Cylinder Head | View on Amazon |
| SBI Fits: 5.3L V8 | SB162564PM | 🇺🇸 US | Powdered MetalFor Aluminum Cylinder Head | View on Amazon |
| SBI Fits: 5.3L V8 | SB206251PM | 🇺🇸 US | Powdered MetalFor Aluminum Cylinder Head | View on Amazon |
This table covers the Valve seats.
6 Valve Seat parts are listed for the 2008 Buick Lacrosse, from SBI and QUALCAST. QUALCAST 21162564 carries the "Popular" badge.
This group includes QUALCAST 21162564, SBI SB162564 and QUALCAST 21206250 and the remaining parts above.
Valve Spring
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Popular Fits: 5.3L V8 | 466594 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 466524 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | VSK46659 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Stainless Steel Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | 466564 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 466734 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 461218 | 🇺🇸 US | High Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 466944 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 225716 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 461208 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 461219 | 🇺🇸 US | High PerformanceNo Warranty | View on Amazon |
| MELLING Fits: 5.3L V8 | 4669416 | 🇺🇸 US | High Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK2257 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46656 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Stainless Steel Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK461208 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Stainless Steel Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK461219 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46652 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46694 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46673 | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Stainless Steel Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK2257T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK461208T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Titanium Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46659T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Titanium Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK461219T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46656T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Titanium Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46652T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46694T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46697T | 🇺🇸 US | High PerformanceIncludes Valve Locks, Spring Retainers, Valve Stem Seals, Titanium Retainers | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46673T | 🇺🇸 US | High PerformanceKit Contains: Valve Locks, Spring Retainers, Valve Stem Seals, Titanium Retainers | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 12706568 | 🇺🇸 US 🇨🇦 CA | Spring Type: Single | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | VS2254 | 🇺🇸 US | Not For Use with MTC-7, MTC-8 Camshafts | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | VS2257 | 🇺🇸 US | For Use with MTC-7, MTC-8 Camshafts | View on Amazon |
| MELLING Fits: 5.3L V8 | VTSS100 | 🇺🇸 US | High Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | 46697 | 🇺🇸 US | High Performance | View on Amazon |
| MELLING Fits: 5.3L V8 | VSK46697 | 🇺🇸 US | High PerformanceIncludes Valve Locks, Spring Retainers, Valve Stem Seals, Stainless Steel Retainers | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 3204046 | 🇺🇸 US | 2.126 Free Length. Conical | View on Amazon |
| SBI Fits: 5.3L V8 | 1601488 | 🇺🇸 US | Intake and Exhaust2.130 Length | View on Amazon |
This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
35 Valve Spring parts are listed for the 2008 Buick Lacrosse, from MELLING, GM GENUINE, QUALCAST and 1 other brand. MELLING 466594 carries the "Popular" badge. They are grouped as High Performance and Standard Replacement, with High Performance the largest group at 27 parts from MELLING.
Valve Spring Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 5.3L V8 | 10166344 | 🇺🇸 US 🇨🇦 CA | EXH | View on Amazon |
| MELLING Popular Fits: 5.3L V8 | 475264 | 🇺🇸 US | High PerformanceHardened Steel | View on Amazon |
| MELLING Fits: 5.3L V8 | VSR709 | 🇺🇸 US | View on Amazon | |
| MELLING Fits: 5.3L V8 | 475274 | 🇺🇸 US | High PerformanceHardened Steel | View on Amazon |
| MELLING Fits: 5.3L V8 | 475284 | 🇺🇸 US | High PerformanceTitanium | View on Amazon |
| MELLING Fits: 5.3L V8 | 475294 | 🇺🇸 US | High PerformanceTitanium | View on Amazon |
This table covers the Valve Spring retainers.
6 Valve Spring Retainer parts are listed for the 2008 Buick Lacrosse, from MELLING and GM GENUINE. GM GENUINE 10166344 carries the "Popular" badge.
This group includes GM GENUINE 10166344, MELLING 475264 and MELLING VSR709 and the remaining parts above.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.3L V8 | 10166345 | 🇺🇸 US 🇨🇦 CA | Material: Alloy Steel | View on Amazon |
| MELLING Fits: 5.3L V8 | VL760 | 🇺🇸 US | View on Amazon | |
| QUALCAST Fits: 5.3L V8 | 345005 | 🇺🇸 US | 0.314 Stem. Round Bead In Middle. | View on Amazon |
| SBI Fits: 5.3L V8 | 1211085 | 🇺🇸 US | Intake and Exhaust0.2900 Length | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
4 Valve Spring Retainer Keeper parts are listed for the 2008 Buick Lacrosse, from GM GENUINE, MELLING, QUALCAST and 1 other brand.
Part numbers include GM GENUINE 10166345, MELLING VL760 and QUALCAST 345005, among others listed above.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.3L V8 | SS71039 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | SS45921 | 🇺🇸 US | Metal with Molded RubberSet | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 5.3L V8 | SS45920 | 🇺🇸 US | SetMetal with Molded Rubber | View on Amazon |
| APEX Fits: 5.3L V8 | AVS3072 | 🇺🇸 US | Set | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12482063 | 🇺🇸 US 🇨🇦 CA | SetContains 8 Seals | View on Amazon |
| GM GENUINE Fits: 5.3L V8 | 12482062 | 🇺🇸 US 🇨🇦 CA | SetContains 8 Seals | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 3890045 | 🇺🇸 US | Viton Top Hat | View on Amazon |
| QUALCAST Fits: 5.3L V8 | 3890145 | 🇺🇸 US | Viton Top Hat | View on Amazon |
| SBI Fits: 5.3L V8 | 1221337 | 🇺🇸 US | IntakeViton Material | View on Amazon |
| SBI Fits: 5.3L V8 | 1221338 | 🇺🇸 US | ExhaustViton Material | View on Amazon |
| ULTRA-POWER Fits: 5.3L V8 | SS71039 | 🇺🇸 US 🇨🇦 CA | SetPremium Valve Stem Seals Included | View on Amazon |
| VICTOR REINZ Fits: 5.3L V8 | 121003401 | 🇺🇸 US | SetContains 16 Pieces | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
12 Valve Stem Seal parts for the 2008 Buick Lacrosse come from 8 brands — MAHLE / CLEVITE, GM GENUINE, QUALCAST and 5 other brands. The "Popular" part is FEL-PRO SS71039.
Buying Engine Parts for a 2008 Buick Lacrosse
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Camshaft and Connecting Rod Bearing .
Frequently Asked Questions
How many engine parts fit the 2008 Buick Lacrosse?
Our catalog currently lists 679 engine parts for the 2008 Buick Lacrosse across 106 subcategories and 64 brands, covering all 3 engine options (3.6L V6, 3.8L V6 and 5.3L V8). Each part is matched to the engine(s) it fits.
Do engine parts differ between 2008 Buick Lacrosse engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2008 Buick Lacrosse?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2008 Buick Lacrosse?
Oil rows on this page include SAE 0W-30 and SAE 5W-30. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2008 Buick Lacrosse was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2008 Buick Lacrosse?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2008 Buick Lacrosse
Engine Parts for Other Buick Lacrosse Years
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