2017 Buick Lacrosse Automatic Transmission Parts

This table covers the control units that command automatic-transmission shifts. Read more

2 Automatic Transmission Control Unit (TCU) parts for the 2017 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 24276934 and GM GENUINE 87840569.

This table covers the transmission or transfer-case housings. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24276467.

This table covers the Case 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 2017 Buick Lacrosse — GM GENUINE 24220728.

This table covers the vents on a transmission or axle housing. Read more

3 Case Vent parts for the 2017 Buick Lacrosse come from GM GENUINE.

Part numbers include GM GENUINE 93192686, GM GENUINE 23206490 and GM GENUINE 24247875.

This table covers the Clutch drums. Read more

3 Clutch Drum parts for the 2017 Buick Lacrosse come from GM GENUINE.

Part numbers include GM GENUINE 24276515, GM GENUINE 24276518 and GM GENUINE 24276541.

This table covers the Clutch 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. Read more

This group shows a single part: GM GENUINE 24281477.

This table covers the clutch-plate packs inside the transmission or transfer case. Read more

One part is listed for the 2017 Buick Lacrosse — RAYBESTOS POWERTRAIN RHT96365.

This table covers the Dipstick / Fluid Filler tubes. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24276561.

This table covers the replacement filters for this application — the table heading and notes say which circuit. 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

5 Filter parts are listed for the 2017 Buick Lacrosse, from VARIOUS MFR, GM GENUINE, ATP and 2 other brands. GM GENUINE TF924 carries the "Popular" badge.

In the Economy grade, VARIOUS MFR supplies 1 part: the catalog's value-priced group. A representative part number is VARIOUS MFR PT99750.

The Standard Replacement section lists 3 options from GM GENUINE, ATP and RAYBESTOS POWERTRAIN — built to original-equipment specification. GM GENUINE TF924 is listed in this group.

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

Listed part numbers: GM GENUINE TF924, VARIOUS MFR PT99750 and ATP B205, plus the other parts above.

This table covers the flexplates that connect the crankshaft to the torque converter. Read more

This group shows a single part: GM GENUINE 12699085.

This table covers the Flexplate Mounting bolts. Read more

This group shows a single part: GM GENUINE 11588468.

This table covers the seals at the Fluid Cooler Line / Hose. 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 93183012.

This table covers the Fluid Cooler Line clips. Read more

3 Fluid Cooler Line Clip parts are listed for the 2017 Buick Lacrosse, from GM GENUINE and DORMAN.

This group includes DORMAN 14152, GM GENUINE 24205103 and GM GENUINE 11546932.

This table covers the Fluid Pan drain plugs. Read more

This group shows a single part: GM GENUINE 24286910.

This table covers the Fluid Pan magnets. Read more

This group shows a single part: GM GENUINE 93742869.

This table covers the Fluid Pump Cover bolts. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24276542.

This table covers the Fluid Pump 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 2017 Buick Lacrosse — GM GENUINE 93741867.

This table covers the seals at the Fluid 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. Read more

2 Fluid Pump Seal parts for the 2017 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24292591 and GM GENUINE 24282067.

This table covers the seals at the Input 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: ELRING B18300.

This table covers the seals at the Manual 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

5 Manual Shaft Seal parts for the 2017 Buick Lacrosse come from 5 brands — TIMKEN, BCA, GM GENUINE and 2 other brands. The "Popular" part is TIMKEN 221207.

Part numbers include TIMKEN 221207, BCA NS221207 and GM GENUINE 24256576, among others listed above.

This table covers the O-rings and seals at this joint. Read more

This group shows a single part: GM GENUINE 90007873.

This table covers the wear sleeves used to restore a Output Shaft seal surface. Read more

3 Output Shaft Repair Sleeve parts are listed for the 2017 Buick Lacrosse, from BCA, NATIONAL and WJB / INMOTION PARTS.

Listed part numbers: BCA NS99139, NATIONAL 99139 and WJB / INMOTION PARTS WS99139.

This table covers the seals at the 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

5 Output Shaft Seal parts are listed for the 2017 Buick Lacrosse, from NATIONAL, WJB / INMOTION PARTS and ATP. NATIONAL 711036 carries the "Popular" badge.

Part numbers include NATIONAL 711036, ATP FO19 and NATIONAL 711037, among others listed above.

This table covers the brackets that mount the Park Pawl Actuator. 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

This group shows a single part: GM GENUINE 24276549.

This table covers the parking pawls that lock the transmission in Park. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24282072.

This table covers the rebuild kits for this assembly. Read more

2 Rebuild Kit parts for the 2017 Buick Lacrosse come from PA CARGO.

The Banner Kit (Overhaul Kit + Friction Clutch Plates) section lists 1 option from PA CARGO — grouped under the catalog's "Banner Kit (Overhaul Kit + Friction Clutch Plates)" designation — the notes column spells out what sets them apart. PA CARGO DK10400S is listed in this group.

The Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) section lists 1 option from PA CARGO — grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. PA CARGO K104900 is listed in this group.

Part numbers include PA CARGO DK10400S and PA CARGO K104900.

This table covers the pistons in a transmission servo. Read more

6 Servo Piston parts are listed for the 2017 Buick Lacrosse, from GM GENUINE and PA CARGO. PA CARGO K10490099 carries the "Popular" badge.

This group includes PA CARGO K10490099, GM GENUINE 24281464 and GM GENUINE 24281465 and the remaining parts above.

This table covers the knobs on the shift lever. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 84194585.

This table covers the seals at the Shift 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: SCHAEFFLER SS2111.

This table covers the one-way sprag clutches in the transmission. Read more

This group shows a single part: GM GENUINE 24276524.

This table covers the Sun gears. Read more

This group shows a single part: GM GENUINE 24282070.

This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24281394.

This table covers the hardware around the torque converter and bellhousing. Read more

This group shows a single part: GM GENUINE 24276485.

This table covers the Torque Converter bolts. Read more

This group shows a single part: GM GENUINE 11588468.

This table covers the Torque Converter housings. Read more

This group shows a single part: GM GENUINE 24281393.

This table covers the seals at the Torque Converter 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

4 Torque Converter Shaft Seal parts for the 2017 Buick Lacrosse come from 4 brands — GM GENUINE, NATIONAL, SCHAEFFLER and 1 other brand.

Listed part numbers: GM GENUINE 24276469, NATIONAL 710929 and SCHAEFFLER SS6310, plus the other parts above.

This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid. Read more

13 Transmission Fluid parts are listed for the 2017 Buick Lacrosse, from VALVOLINE, LIQUI MOLY, PENTOSIN and 4 other brands. MOBIL 126505 carries the "Popular" badge.

The ATF 64 section lists 2 options from PENTOSIN — grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. PENTOSIN 1058113 is listed in this group.

In the AW-1 grade, ACDELCO supplies 1 part: grouped under the catalog's "AW-1" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 104062.

In the Multi-Vehicle grade, VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand supply 8 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126505.

In the World Standard (WS) grade, AISIN supplies 1 part: grouped under the catalog's "World Standard (WS)" designation — the notes column spells out what sets them apart. A representative part number is AISIN ATF0WS.

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

This table covers the conditioners and additives used with this transmission fluid. Read more

LUBEGARD supplies the 7 Transmission Fluid Additive parts for the 2017 Buick Lacrosse. LUBEGARD 19610 carries the "Popular" badge.

Part numbers include LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, among others listed above.

This table covers the mounts that hold the transmission 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

3 Transmission Mount parts for the 2017 Buick Lacrosse come from 2 brands — GM GENUINE and DEA / MARMON RIDE CONTROL.

This group includes DEA / MARMON RIDE CONTROL A20232, GM GENUINE 84096991 and GM GENUINE 84713644.

This table covers the valve bodies that route hydraulic pressure inside the transmission. Read more

One part is listed for the 2017 Buick Lacrosse — GM GENUINE 24281186.

This table covers the Valve Body covers. Read more

This group shows a single part: GM GENUINE 24276474.