2016 Buick Lacrosse Engine Parts

This table covers the camshafts that open the valves. Read more

This group shows a single part: GM GENUINE 12632274.

This table covers the Camshaft Alignment tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 2016 Buick Lacrosse — LISLE 37530.

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. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 12574477.

This table covers the Circular / Semi-Circular 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. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 11570754.

This table covers the connecting rods between each piston and the crankshaft. Read more

This group shows a single part: GM GENUINE 12691084.

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. Read more

7 Connecting Rod Bearing parts for the 2016 Buick Lacrosse come from 4 brands — KING ENGINE BEARINGS, MAHLE / CLEVITE, GM GENUINE and 1 other brand. The "Popular" part is GM GENUINE 12643667.

The High Performance section lists 2 options from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS CR6826XPX is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, GM GENUINE, KING ENGINE BEARINGS and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is GM GENUINE 12643667.

This group includes GM GENUINE 12643667, KING ENGINE BEARINGS CR6826XPX and KING ENGINE BEARINGS CR6826XP and the remaining parts above.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 11519680.

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. Read more

8 Conversion / Lower Gasket Set parts for the 2016 Buick Lacrosse come from 8 brands — ENGINETECH, FEL-PRO, AJUSA and 5 other brands. The "Popular" part is ENGINETECH GM217CSA.

Listed part numbers: ENGINETECH GM217CSA, FEL-PRO CS263761 and AJUSA 54277700, plus the other parts above.

This table covers the crankshafts that turn piston motion into rotation. Read more

2 Crankshaft parts for the 2016 Buick Lacrosse come from 2 brands — ENGINETECH and GM GENUINE.

Part numbers include ENGINETECH 112950 and GM GENUINE 12661873.

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. Read more

4 Crankshaft Main Bearing parts are listed for the 2016 Buick Lacrosse, from GM GENUINE and KING ENGINE BEARINGS.

This group includes GM GENUINE 12643668, GM GENUINE 12643670 and KING ENGINE BEARINGS MB4272SI and the remaining parts above.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

2 Crankshaft Main Bearing Cap Bolt parts for the 2016 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 12560272 and GM GENUINE 11518861.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

3 Crankshaft Repair Sleeve parts are listed for the 2016 Buick Lacrosse, from BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166.

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. Read more

10 Crankshaft Seal parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 4 other brands. GM GENUINE 12608750 carries the "Popular" badge.

This table covers the Cylinder Head Alignment Dowel pins. Read more

This group shows a single part: GM GENUINE 12570326.

This table covers the bolts that clamp the cylinder head to the block. Read more

11 Cylinder Head Bolt parts for the 2016 Buick Lacrosse come from 7 brands — VICTOR REINZ, FEL-PRO, GM GENUINE and 4 other brands. The "Popular" part is ENGINETECH HB258.

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. Read more

12 Cylinder Head Gasket parts for the 2016 Buick Lacrosse come from 7 brands — GM GENUINE, APEX, FEL-PRO and 4 other brands. The "Popular" part is GM GENUINE 12634479.

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. Read more

7 Cylinder Head Gasket Set parts for the 2016 Buick Lacrosse come from 6 brands — FEL-PRO, APEX, AJUSA and 3 other brands. The "Popular" part is APEX AHS13054.

Listed part numbers: APEX AHS13054, FEL-PRO HS26376PT10 and AJUSA 52608900, plus the other parts above.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

4 Engine Block Heater parts are listed for the 2016 Buick Lacrosse, from KAT'S HEATERS and GM GENUINE.

This group includes GM GENUINE 12587380, KAT'S HEATERS 24150 and KAT'S HEATERS 28811 and the remaining parts above.

This table covers the Engine covers. Read more

2 Engine Cover parts for the 2016 Buick Lacrosse come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO GM1228144, among others listed above.

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. Read more

This group shows a single part: AJUSA 50550200.

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. Read more

5 Exhaust Valve parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, ENGINETECH, MELLING and 2 other brands. GM GENUINE 12621548 carries the "Popular" badge.

This group includes GM GENUINE 12621548, ENGINETECH V3414 and MELLING V3212 and the remaining parts above.

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. Read more

This group shows a single part: GM GENUINE 11569584.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

4 Fuel Pump Camshaft Follower parts for the 2016 Buick Lacrosse come from 4 brands — DORMAN, GM GENUINE, INA and 1 other brand.

Listed part numbers: DORMAN 926441, GM GENUINE 12590679 and INA VT0244, plus the other parts above.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

5 Harmonic Balancer parts for the 2016 Buick Lacrosse come from 5 brands — GM GENUINE, ATP, DAYCO and 2 other brands. The "Popular" part is GM GENUINE 12697768.

Part numbers include GM GENUINE 12697768, ATP 102366 and DAYCO PB1509N, among others listed above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts are listed for the 2016 Buick Lacrosse, from DORMAN and GM GENUINE.

Part numbers include DORMAN 595005 and GM GENUINE 11549124.

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. Read more

5 Intake Manifold parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, DORMAN, LARES and 1 other brand. GM GENUINE 12699182 carries the "Popular" badge.

Listed part numbers: GM GENUINE 12699182, DORMAN 615948 and GM GENUINE 12611155, plus the other parts above.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: GM GENUINE 11562253.

This table covers the Intake Manifold covers. Read more

This group shows a single part: GM GENUINE 12649788.

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. Read more

11 Intake Manifold Gasket parts for the 2016 Buick Lacrosse come from 5 brands — APEX, FEL-PRO, GM GENUINE and 2 other brands. The "Popular" part is APEX AMS13173.

This table covers the gaskets that seal the Intake Plenum. 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. Read more

6 Intake Plenum Gasket parts are listed for the 2016 Buick Lacrosse, from APEX, FEL-PRO, GM GENUINE and 3 other brands. APEX AMS13170 carries the "Popular" badge.

Part numbers include APEX AMS13170, FEL-PRO MS97241 and GM GENUINE 12647263, among others listed above.

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. Read more

5 Intake Valve parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, ENGINETECH, MELLING and 2 other brands. GM GENUINE 12610931 carries the "Popular" badge.

This group includes GM GENUINE 12610931, ENGINETECH V3413 and MELLING V3333 and the remaining parts above.

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. Read more

7 Motor Mount parts are listed for the 2016 Buick Lacrosse, from DEA / MARMON RIDE CONTROL, VAICO, ANCHOR and 3 other brands. ANCHOR 3200 carries the "Popular" badge.

In the Economy grade, VAICO supplies 1 part: the catalog's value-priced group. A representative part number is VAICO V401070.

The Standard Replacement section: 6 options from DEA / MARMON RIDE CONTROL, ANCHOR, GM GENUINE and 2 other brands. ANCHOR 3200 is listed in this group.

Part numbers include ANCHOR 3200, VAICO V401070 and GM GENUINE 13227719, among others listed above.

This table covers the Motor Mount bolts. Read more

This group shows a single part: GM GENUINE 11570514.

This table covers the Motor Mount kits. Read more

ANCHOR supplies both parts for the 2016 Buick Lacrosse.

Listed part numbers: ANCHOR 300497 and ANCHOR 300498.

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. Read more

23 Oil parts are listed for the 2016 Buick Lacrosse, from VALVOLINE, MOBIL, LIQUI MOLY and 3 other brands. ACDELCO 109324 carries the "Popular" badge.

In the Full Synthetic grade, VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands supply 19 parts: full-synthetic oils. A representative part number is ACDELCO 109324.

The High Mileage (>75,000 Miles) section lists 4 options from MOBIL and VALVOLINE — oils grouped for high-mileage engines. MOBIL 123842 is listed in this group.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2016 Buick Lacrosse come from HAYDEN.

This group includes HAYDEN 238 and HAYDEN 153.

This table covers the Oil Dipstick tubes. Read more

4 Oil Dipstick / Tube parts are listed for the 2016 Buick Lacrosse, from DORMAN and GM GENUINE.

This group includes DORMAN 921041, DORMAN 921040 and GM GENUINE 12657038 and the remaining parts above.

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. Read more

2 Oil Dipstick / Tube Seal parts for the 2016 Buick Lacrosse come from 2 brands — FEL-PRO and GM GENUINE.

This group includes FEL-PRO 73889 and GM GENUINE 24504031.

This table covers the drain plugs in the oil pan. Read more

7 Oil Drain Plug parts are listed for the 2016 Buick Lacrosse, from DORMAN, AGS, ENGINETECH and 2 other brands. DORMAN 090175 carries the "Popular" badge.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 090175.

The Twist Drain section lists 1 option from DORMAN — grouped under the catalog's "Twist Drain" designation — the notes column spells out what sets them apart. DORMAN 092018 is listed in this group.

5 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes DORMAN 090175, DORMAN 092018 and DORMAN 090034 and the remaining parts above.

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. Read more

8 Oil Drain Plug Gasket parts for the 2016 Buick Lacrosse come from 6 brands — FEL-PRO, DORMAN, GM GENUINE and 3 other brands. The "Popular" part is FEL-PRO 70820.

Listed part numbers: FEL-PRO 70820, GM GENUINE 12616850 and DORMAN 097119, plus the other parts above.

This table covers the Oil Drain Plug inserts. Read more

This group shows a single part: GM GENUINE 11503302.

This table covers the caps on the oil filler neck. Read more

5 Oil Filler Cap parts are listed for the 2016 Buick Lacrosse, from GATES, ACDELCO, CALORSTAT and 2 other brands. GATES 31103 carries the "Popular" badge.

Listed part numbers: GATES 31103, ACDELCO FC243 and CALORSTAT OC2314, plus the other parts above.

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. Read more

2 Oil Filler Cap Gasket parts for the 2016 Buick Lacrosse come from 2 brands — FEL-PRO and GM GENUINE.

Listed part numbers: FEL-PRO 73193 and GM GENUINE 24100002.

This table covers the Oil Filler tubes. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 12650615.

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. Read more

13 Oil Filter parts are listed for the 2016 Buick Lacrosse, from VARIOUS MFR, WIX, ACDELCO and 7 other brands. ACDELCO PF63 carries the "Popular" badge.

Economy: 4 parts, from FRAM, FVP, PRO-TEC and 1 other brand. A representative part number is FRAM FE10575.

In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1212A.

The Standard Replacement section: 7 options from ACDELCO, MOTORCRAFT, WIX and 3 other brands. ACDELCO PF63 is listed in this group.

This table covers the Oil Filter adapters. Read more

This group shows a single part: GM GENUINE 12600225.

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. Read more

2 Oil Filter Adapter Gasket / O-Ring parts for the 2016 Buick Lacrosse come from 2 brands — FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO 72968 and VICTOR REINZ 711460600.

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. Read more

This group shows a single part: GM GENUINE 12687466.

This table covers the Oil Filter Remote Mounting kits. Read more

This group shows a single part: HAYDEN 292.

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. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 12667039.

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. Read more

5 Oil Level Sensor parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS, ULTRA-POWER and 2 other brands. GM GENUINE 12696434 carries the "Popular" badge.

This group includes GM GENUINE 12696434 and STANDARD MOTOR PRODUCTS PS616 and the remaining parts above.

This table covers the Oil Level Sensor 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. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 12638820.

This table covers the Oil nozzles. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 12640455.

This table covers the oil pans that hold the engine's oil sump. Read more

3 Oil Pan parts for the 2016 Buick Lacrosse come from 3 brands — DORMAN, GM GENUINE and ULTRA-POWER.

This group includes DORMAN 264171 and GM GENUINE 19540543 and the remaining parts above.

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. Read more

One part is listed for the 2016 Buick Lacrosse — VICTOR REINZ 703141410.