2012 Buick Lacrosse Drivetrain Parts

This table covers the AWD Coupling fluids. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

This group shows a single part: ACDELCO 104070.

This table covers the AWD Coupling Oil 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. Read more

2 AWD Coupling Oil Filter parts for the 2012 Buick Lacrosse come from 2 brands — GM GENUINE and VAICO.

Part numbers include GM GENUINE 20986573 and VAICO V401565.

This table covers the AWD Coupling 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. Read more

2 AWD Coupling Oil Pump parts for the 2012 Buick Lacrosse come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 699000 and GM GENUINE 22765779.

This table covers the seals at the Axle Intermediate Shaft. 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 2012 Buick Lacrosse — GM GENUINE 22759189.

This table covers the seals where an axle shaft exits the housing. 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

3 Axle Shaft Seal parts for the 2012 Buick Lacrosse come from 2 brands — GM GENUINE and TIMKEN.

Part numbers include GM GENUINE 291332, GM GENUINE 291340 and TIMKEN SL260439.

This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes. Read more

18 CV Axle parts for the 2012 Buick Lacrosse come from 6 brands — TRAKMOTIVE, GSP, TOP NOTCH and 3 other brands. The "Popular" part is GM GENUINE 84628595.

The Economy section lists 1 option from AUTO EXTRA — the catalog's value-priced group. AUTO EXTRA GC88989 is listed in this group.

In the Standard Replacement grade, TRAKMOTIVE, GSP, TOP NOTCH and 2 other brands supply 17 parts: built to original-equipment specification. A representative part number is GM GENUINE 84628595.

This table covers the brackets that mount the CV Axle Support Bearing. 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. Read more

One part is listed for the 2012 Buick Lacrosse — GM GENUINE 13368407.

This table covers the CV Intermediate shafts. Read more

One part is listed for the 2012 Buick Lacrosse — GM GENUINE 22901057.

This table covers the constant-velocity joints at each end of a drive axle. Read more

3 CV Joint parts for the 2012 Buick Lacrosse come from ACDELCO.

Listed part numbers: ACDELCO 39196365, ACDELCO 39207311 and ACDELCO 39207312.

This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn. Read more

3 CV Joint Boot parts for the 2012 Buick Lacrosse come from 2 brands — MEVOTECH and GM GENUINE.

This group includes GM GENUINE 20894127, MEVOTECH DX551 and MEVOTECH DX877.

This table covers the bands that clamp a CV boot to the joint. Read more

GM GENUINE supplies the 4 CV Joint Boot Band parts for the 2012 Buick Lacrosse.

Part numbers include GM GENUINE 364038, GM GENUINE 88897260 and GM GENUINE 93170250, among others listed above.

This table covers the CV Joint Lock rings. Read more

GM GENUINE supplies the 4 CV Joint Lock Ring parts for the 2012 Buick Lacrosse.

This group includes GM GENUINE 13317915, GM GENUINE 90121202 and GM GENUINE 13317913 and the remaining parts above.

This table covers the carriers that hold the differential gears in the axle. Read more

3 Differential Carrier parts for the 2012 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24260304, GM GENUINE 24293159 and GM GENUINE 24293160.

This table covers the bearings and races that support the differential carrier. Read more

2 Differential Carrier Bearing / Race parts for the 2012 Buick Lacrosse come from GM GENUINE.

Part numbers include GM GENUINE 24231136 and GM GENUINE 24291103.

This table covers the Differential Carrier bolts. Read more

One part is listed for the 2012 Buick Lacrosse — GM GENUINE 11609598.

This table covers the Differential Carrier 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. Read more

2 Differential Carrier Bushing parts for the 2012 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 13243708 and GM GENUINE 13243707.

This table covers the baffles that control oil in the differential carrier. Read more

This group shows a single part: GM GENUINE 24263150.

This table covers the Differential Carrier shims. Read more

GM GENUINE supplies the 5 Differential Carrier Shim parts for the 2012 Buick Lacrosse.

This group includes GM GENUINE 24234094, GM GENUINE 24234095 and GM GENUINE 24234096 and the remaining parts above.

This table covers the Differential Clutch Pressure Control valves. 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

2 Differential Clutch Pressure Control Valve parts are listed for the 2012 Buick Lacrosse, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 699010 and GM GENUINE 13280097.

This table covers the Differential Cover bolts. Read more

This group shows a single part: GM GENUINE 13280041.