2010 Buick Lacrosse Engine Parts

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor. Read more

This group shows a single part: GM GENUINE 12711681.

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

3 Camshaft parts for the 2010 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 12638402, GM GENUINE 19431713 and GM GENUINE 19433783.

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 2010 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

2 Camshaft Seal parts are listed for the 2010 Buick Lacrosse, from AJUSA and GM GENUINE.

This group includes AJUSA 15095800 and GM GENUINE 12574477.

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

4 Connecting Rod parts for the 2010 Buick Lacrosse come from 2 brands — ENGINETECH and GM GENUINE.

Part numbers include ENGINETECH ECR327, ENGINETECH ECR328 and GM GENUINE 12609597, among others listed above.

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

11 Connecting Rod Bearing parts for the 2010 Buick Lacrosse come from 5 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 2 other brands. The "Popular" part is ENGINETECH BB133J.

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, SEALED POWER, ENGINETECH and 2 other brands supply 9 parts: built to original-equipment specification. A representative part number is ENGINETECH BB133J.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2010 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

9 Conversion / Lower Gasket Set parts for the 2010 Buick Lacrosse come from 8 brands — AJUSA, ENGINETECH, FEL-PRO and 5 other brands. The "Popular" part is ENGINETECH GM217CSA.

Part numbers include ENGINETECH GM217CSA, FEL-PRO CS263761 and ITM ENGINE COMPONENTS 0929106, among others listed above.

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

3 Crankshaft parts for the 2010 Buick Lacrosse come from 2 brands — GM GENUINE and ENGINETECH.

This group includes ENGINETECH 112950, GM GENUINE 12661864 and GM GENUINE 12661875.

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

6 Crankshaft Main Bearing parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, KING ENGINE BEARINGS, MAHLE / CLEVITE and 2 other brands. KING ENGINE BEARINGS MB4272SI carries the "Popular" badge.

Listed part numbers: KING ENGINE BEARINGS MB4272SI, MAHLE / CLEVITE MS2276A and ENGINETECH BC130J, plus the other parts above.

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

This group shows a single part: GM GENUINE 12560272.

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

4 Crankshaft Repair Sleeve parts are listed for the 2010 Buick Lacrosse, from BCA, NATIONAL, SCHAEFFLER and 1 other brand.

This group includes BCA NS99166, NATIONAL 99166 and SCHAEFFLER SS3489 and the remaining parts above.

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

11 Crankshaft Seal parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 5 other brands. FEL-PRO BS40711 carries the "Popular" badge.

This table covers the cylinder heads that close the top of the block. Read more

GM GENUINE supplies the 3 Cylinder Head parts for the 2010 Buick Lacrosse.

Listed part numbers: GM GENUINE 12641100, GM GENUINE 19329667 and GM GENUINE 19329668.

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

14 Cylinder Head Bolt parts for the 2010 Buick Lacrosse come from 9 brands — GM GENUINE, VICTOR REINZ, FEL-PRO and 6 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

25 Cylinder Head Gasket parts for the 2010 Buick Lacrosse come from 8 brands — APEX, GM GENUINE, FEL-PRO and 5 other brands. The "Popular" part is APEX AHG1317R.

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

12 Cylinder Head Gasket Set parts for the 2010 Buick Lacrosse come from 8 brands — FEL-PRO, MAHLE / CLEVITE, SKP and 5 other brands. The "Popular" part is MAHLE / CLEVITE HS54661J.

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

3 Engine Block Heater parts are listed for the 2010 Buick Lacrosse, from KAT'S HEATERS and GM GENUINE.

Part numbers include GM GENUINE 12587380, KAT'S HEATERS 28811 and KAT'S HEATERS 11811.

This table covers the Engine covers. Read more

This group shows a single part: TECHPRO GM1228137.

This table covers the Engine Cover retainers and clips. Read more

One part is listed for the 2010 Buick Lacrosse — GM GENUINE 11518792.

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

3 Engine Kit Gasket Set parts for the 2010 Buick Lacrosse come from 2 brands — AJUSA and ENGINETECH.

Part numbers include AJUSA 50541200, AJUSA 50494500 and ENGINETECH GM217K9.

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

10 Exhaust Valve parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, MELLING, ENGINETECH and 2 other brands. GM GENUINE 12621548 carries the "Popular" badge.

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

2 Expansion Plug parts for the 2010 Buick Lacrosse come from 2 brands — GM GENUINE and MELLING.

Listed part numbers: GM GENUINE 11569584 and MELLING MPE850R.

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

5 Fuel Pump Camshaft Follower parts for the 2010 Buick Lacrosse come from 5 brands — GM GENUINE, DORMAN, INA and 2 other brands. The "Popular" part is GM GENUINE 12590679.

Part numbers include GM GENUINE 12590679, DORMAN 926441 and INA VT0244, among others listed above.

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

5 Harmonic Balancer parts for the 2010 Buick Lacrosse come from 5 brands — GM GENUINE, ATP, DAYCO and 2 other brands. The "Popular" part is GM GENUINE 12697768.

This group includes GM GENUINE 12697768, ATP 102366 and DAYCO PB1509N and the remaining parts above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts are listed for the 2010 Buick Lacrosse, from DORMAN and GM GENUINE.

Listed part numbers: 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

4 Intake Manifold parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, DORMAN and LARES.

This group includes DORMAN 615948, GM GENUINE 12699182 and GM GENUINE 12611155 and the remaining 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

14 Intake Manifold Gasket parts for the 2010 Buick Lacrosse come from 5 brands — FEL-PRO, GM GENUINE, APEX and 2 other brands. The "Popular" part is FEL-PRO MS97222.

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

9 Intake Plenum Gasket parts are listed for the 2010 Buick Lacrosse, from APEX, FEL-PRO, MAHLE / CLEVITE and 3 other brands. APEX AMS13170 carries the "Popular" badge.

Listed part numbers: APEX AMS13170, FEL-PRO MS97241 and APEX AMS13420, plus the other parts 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

11 Intake Valve parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, MELLING, ENGINETECH and 3 other brands. GM GENUINE 12620501 carries the "Popular" badge.

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

12 Motor Mount parts are listed for the 2010 Buick Lacrosse, from DEA / MARMON RIDE CONTROL, ANCHOR, GM GENUINE 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: 5 options from ANCHOR, GM GENUINE, DEA / MARMON RIDE CONTROL and 2 other brands. ANCHOR 3200 is listed in this group.

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

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 2010 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

31 Oil parts are listed for the 2010 Buick Lacrosse, from VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. ACDELCO 109324 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend, with Full Synthetic the largest group at 21 parts from VALVOLINE, LIQUI MOLY, MOBIL and 4 other brands.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2010 Buick Lacrosse come from HAYDEN.

This group includes HAYDEN 238 and HAYDEN 153.

This table covers the Oil Dipstick tubes. Read more

5 Oil Dipstick / Tube parts are listed for the 2010 Buick Lacrosse, from GM GENUINE and DORMAN.

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