2019 Buick Lacrosse Drivetrain Parts

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

This group shows a single part: GM GENUINE 25824167.

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

2 Axle Shaft Seal parts are listed for the 2019 Buick Lacrosse, from GM GENUINE and TIMKEN.

This group includes GM GENUINE 291347 and TIMKEN SL260454.

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

9 CV Axle parts are listed for the 2019 Buick Lacrosse, from TRAKMOTIVE, GSP, APWI and 2 other brands. APWI GM8510 carries the "Popular" badge.

Listed part numbers: APWI GM8510, GM GENUINE 84283520 and GSP NCV10257, plus the other parts above.

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

GM GENUINE supplies the 3 CV Joint parts for the 2019 Buick Lacrosse.

This group includes GM GENUINE 84227456, GM GENUINE 84227463 and GM GENUINE 84523419.

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

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 84227454.

This table covers the CV Joint Lock rings. Read more

This group shows a single part: GM GENUINE 90223082.

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

GM GENUINE supplies the 3 Differential Carrier parts for the 2019 Buick Lacrosse.

This group includes GM GENUINE 24289904, GM GENUINE 24289906 and GM GENUINE 85755639.

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

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24237378.

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

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Listed part numbers: GM GENUINE 84905394 and GM GENUINE 84929903.

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

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 24298738 and GM GENUINE 24298739.

This table covers the Differential control modules. Read more

This group shows a single part: GM GENUINE 85001638.

This table covers the Differential Cover 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 23234990.

This table covers the Differential Fill drain plugs. Read more

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 19256069 and GM GENUINE 19256068.

This table covers the slingers that keep gear oil off the pinion seal. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 23269749.

This table covers the seals at the differential pinion yoke. 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 2019 Buick Lacrosse — GM GENUINE 23269748.

This table covers the Differential Ring gears. Read more

This group shows a single part: GM GENUINE 24298251.

This table covers the Drive Shaft retainers. Read more

This group shows a single part: GM GENUINE 23432713.

This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle. Read more

5 Gear Oil parts are listed for the 2019 Buick Lacrosse, from VALVOLINE and ACDELCO. VALVOLINE VV975 carries the "Popular" badge.

Part numbers include VALVOLINE VV975, ACDELCO 105050 and VALVOLINE 889785, among others listed above.

This table covers the Retaining rings. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24231157.

This table covers the seals at the Transfer Case Adapter. 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 2019 Buick Lacrosse — GM GENUINE 84297549.

This table covers the Transfer Case bolts. Read more

This group shows a single part: ELRING 795390.

This table covers the fluids specified for the transfer case. 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

8 Transfer Case Fluid parts are listed for the 2019 Buick Lacrosse, from VALVOLINE, GM GENUINE and IDEMITSU. VALVOLINE VV820 carries the "Popular" badge.

In the SAE 75W-90 grade, VALVOLINE supplies 6 parts: grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV820.

The Versatrak section lists 1 option from GM GENUINE — grouped under the catalog's "Versatrak" designation — the notes column spells out what sets them apart. GM GENUINE 104105 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include VALVOLINE VV820, VALVOLINE VV975 and VALVOLINE 889785, among others listed above.

This table covers the Transfer Case Intermediate shafts. Read more

This group shows a single part: GM GENUINE 23315759.

This table covers the seals at the Transfer Case 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 2019 Buick Lacrosse — GM GENUINE 85732462.

This table covers the seals at the Transfer Case Output 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 2019 Buick Lacrosse — GM GENUINE 85732461.