2019 Buick Lacrosse Automatic Transmission Parts

This table covers the accumulators in this hydraulic or A/C circuit. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24060298.

This table covers the pistons inside a transmission accumulator. Read more

2 Accumulator Piston parts for the 2019 Buick Lacrosse come from 2 brands — GM GENUINE and TRANSGO.

Part numbers include GM GENUINE 24268041 and TRANSGO 6T40PDPOS.

This table covers the Accumulator Piston Seal sleeves. Read more

3 Accumulator Piston Seal / Sleeve parts for the 2019 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 24265972, GM GENUINE 24271624 and GM GENUINE 24288114.

This table covers the Accumulator springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

This group shows a single part: GM GENUINE 24268042.

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

This group shows a single part: GM GENUINE 24046814.

This table covers the Bushing kits. Read more

One part is listed for the 2019 Buick Lacrosse — DURA-BOND TK24.

This table covers the Carrier Thrust bearings. 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

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 24230782 and GM GENUINE 24278312.

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

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24284345.

This table covers the Case 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

One part is listed for the 2019 Buick Lacrosse — DURA-BOND GMT210DT.

This table covers the Clutch Apply 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

5 Clutch Apply Plate parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24267678.

Part numbers include GM GENUINE 24267678, GM GENUINE 24286809 and GM GENUINE 24256648, among others listed above.

This table covers the Clutch Apply rings. Read more

This group shows a single part: GM GENUINE 24269904.

This table covers the Clutch housings. Read more

GM GENUINE supplies the 3 Clutch Housing parts for the 2019 Buick Lacrosse.

This group includes GM GENUINE 24278556, GM GENUINE 24263527 and GM GENUINE 24284941.

This table covers the Clutch Housing Thrust bearings. 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

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Listed part numbers: GM GENUINE 24260435 and GM GENUINE 24291353.

This table covers the Clutch hubs. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24282552.

This table covers the pistons that apply a clutch pack. Read more

8 Clutch Pack Piston parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24259453.

Part numbers include GM GENUINE 24259453, GM GENUINE 24257108 and GM GENUINE 24050076, among others listed above.

This table covers the seals at the Clutch Pack Piston Dam. 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

6 Clutch Pack Piston Dam / Seal parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24230745.

Part numbers include GM GENUINE 24230745, GM GENUINE 24261299 and GM GENUINE 24230739, among others listed above.

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

20 Clutch Plate parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24258070.

In the Backing Plate grade, GM GENUINE supplies 5 parts: grouped under the catalog's "Backing Plate" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24230755.

The Friction section lists 12 options from GM GENUINE — grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. GM GENUINE 24258070 is listed in this group.

In the Wave Plate grade, GM GENUINE supplies 2 parts: grouped under the catalog's "Wave Plate" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24286803.

1 further part sits outside the graded sections, with the same engine-level match.

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

6 Clutch Plate Pack parts are listed for the 2019 Buick Lacrosse, from RAYBESTOS POWERTRAIN and GM GENUINE. GM GENUINE 24292069 carries the "Popular" badge.

The Friction Plate Pack section lists 5 options from RAYBESTOS POWERTRAIN and GM GENUINE — grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. GM GENUINE 24292069 is listed in this group.

In the Steel Plate Pack grade, RAYBESTOS POWERTRAIN supplies 1 part: grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN STMGM25.

Listed part numbers: GM GENUINE 24292069, RAYBESTOS POWERTRAIN FRMGM02 and RAYBESTOS POWERTRAIN FRMGM03, plus the other parts above.

This table covers the Clutch Plate Retaining rings. Read more

GM GENUINE supplies the 4 Clutch Plate Retaining Ring parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 24267681, GM GENUINE 24253298 and GM GENUINE 24272171, among others listed above.

This table covers the Clutch Seal rings. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24237428.

This table covers the Clutch springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

GM GENUINE supplies the 4 Clutch Spring parts for the 2019 Buick Lacrosse.

This group includes GM GENUINE 24230814, GM GENUINE 24258649 and GM GENUINE 24271841 and the remaining parts above.

This table covers the Clutch supports. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24274199.

This table covers the drive chains in the transfer case or oil pump. Read more

3 Drive Chain parts for the 2019 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24238173, GM GENUINE 24077756 and GM GENUINE 24267901.

This table covers the Drive sprockets. Read more

3 Drive Sprocket parts for the 2019 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 24060010, GM GENUINE 24267876 and GM GENUINE 24276079.

This table covers the Drive Sprocket bearings. 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

This group shows a single part: GM GENUINE 24237523.

This table covers the Driven sprockets. Read more

This group shows a single part: GM GENUINE 24267885.

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

6 Filter parts are listed for the 2019 Buick Lacrosse, from ATP, SKP, GM GENUINE and 2 other brands. ATP B205 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK104710.

The Standard Replacement section lists 4 options from ATP, GM GENUINE and RAYBESTOS POWERTRAIN — built to original-equipment specification. ATP B205 is listed in this group.

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

This group includes ATP B205, SKP SK104710 and GM GENUINE TF925 and the remaining 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 Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

GM GENUINE supplies both parts for the 2019 Buick Lacrosse.

Listed part numbers: GM GENUINE 84211744 and GM GENUINE 84211745.

This table covers the harness connectors at the Fluid Cooler Line / Hose. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: GM GENUINE 24284114.

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 24284737.

This table covers the Fluid Cooler Line clips. Read more

5 Fluid Cooler Line Clip parts are listed for the 2019 Buick Lacrosse, from GM GENUINE and DORMAN. GM GENUINE 24205103 carries the "Popular" badge.

This group includes GM GENUINE 24205103, DORMAN 14152 and GM GENUINE 11546932 and the remaining parts above.

This table covers the pans that hold automatic-transmission fluid. Read more

2 Fluid Pan parts for the 2019 Buick Lacrosse come from 2 brands — DORMAN and SPECTRA PREMIUM.

This group includes DORMAN 265886 and SPECTRA PREMIUM TP0886.

This table covers the gaskets that seal the Fluid Pan. 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 2019 Buick Lacrosse — FEL-PRO TOS18792.

This table covers the Fluid 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

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24052580.

This table covers the Fluid Pump 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

DURA-BOND supplies the 5 Fluid Pump Bushing parts for the 2019 Buick Lacrosse. DURA-BOND GMT28TG carries the "Popular" badge.

This group includes DURA-BOND GMT28TG, DURA-BOND GMT28 and DURA-BOND GMT28A and the remaining parts above.

This table covers the Fluid Pump Cover bolts. Read more

GM GENUINE supplies the 4 Fluid Pump Cover Bolt parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 11547920, GM GENUINE 24230699 and GM GENUINE 24230707, among others listed above.

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

3 Fluid Pump Seal parts for the 2019 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24268389, GM GENUINE 24231193 and GM GENUINE 24055715.

This table covers the input carriers in the planetary gearset. Read more

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 24270413.

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

This group shows a single part: GM GENUINE 24256576.

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

3 O-Rings & Seals parts for the 2019 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24066595, GM GENUINE 24046857 and GM GENUINE 24264987.

This table covers the output carriers in the planetary gearset. Read more

This group shows a single part: GM GENUINE 24278433.

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 2019 Buick Lacrosse, from BCA, NATIONAL and WJB / INMOTION PARTS.

Listed part numbers: BCA NS99146, NATIONAL 99146 and WJB / INMOTION PARTS WS99146.

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

4 Output Shaft Seal parts are listed for the 2019 Buick Lacrosse, from NATIONAL, SCHAEFFLER and WJB / INMOTION PARTS.

Part numbers include NATIONAL 710709, NATIONAL 711188 and SCHAEFFLER SS6088, among others listed above.

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

GM GENUINE supplies the 4 Parking Pawl parts for the 2019 Buick Lacrosse.

Part numbers include GM GENUINE 24230718, GM GENUINE 24230720 and GM GENUINE 24280954, among others listed above.

This table covers the Plug adapters. Read more

This group shows a single part: GM GENUINE 8654382.

This table covers the reaction carriers in the planetary gearset. Read more

This group shows a single part: GM GENUINE 24233625.

This table covers the Reaction Carrier Thrust bearings. 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

This group shows a single part: GM GENUINE 24260428.

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

8 Rebuild Kit parts for the 2019 Buick Lacrosse come from 4 brands — PA CARGO, PIONEER, TRANSTEC and 1 other brand. The "Popular" part is TRANSTEC 81000992.

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.

In the Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) grade, PIONEER supplies 1 part: grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. A representative part number is PIONEER 752350.

The Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) section lists 5 options from TRANSTEC, ATP, PA CARGO and 1 other brand — grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. TRANSTEC 81000992 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include TRANSTEC 81000992, PA CARGO DK10400S and PIONEER 752350, among others listed above.

This table covers the Retaining rings. Read more

4 Retaining Ring parts for the 2019 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 24252792, GM GENUINE 24231278 and GM GENUINE 24271842, plus the other parts above.

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

One part is listed for the 2019 Buick Lacrosse — PA CARGO K10490099.

This table covers the Shift cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

This group shows a single part: GM GENUINE 84419514.

This table covers the brackets that mount the Shift Cable. 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 23505621.

This table covers the Shift Improvement kits. Read more

4 Shift Improvement Kit parts are listed for the 2019 Buick Lacrosse, from SONNAX and TRANSGO.

This group includes SONNAX 6T40GEN2ZIP, SONNAX 6T40ZIP and SONNAX 6T40GEN23ZIP and the remaining parts above.

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

One part is listed for the 2019 Buick Lacrosse — GM GENUINE 84194585.

This table covers the Shift linkages. Read more

This group shows a single part: GM GENUINE 84311320.

This table covers the Sun gears. Read more

8 Sun Gear parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24230784.

This group includes GM GENUINE 24230784, GM GENUINE 24241247 and GM GENUINE 24241246 and the remaining parts above.

This table covers the Sun Gear bearings. 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 Sun Gear Bearing parts for the 2019 Buick Lacrosse come from GM GENUINE. The "Popular" part is GM GENUINE 24260431.

This group includes GM GENUINE 24260431, GM GENUINE 24260438 and GM GENUINE 24260428 and the remaining parts above.

This table covers the Sun Gear 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

3 Sun Gear Bushing parts for the 2019 Buick Lacrosse come from DURA-BOND.

Listed part numbers: DURA-BOND GMT26, DURA-BOND GMT25 and DURA-BOND GMT25AT.

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

2 Torque Converter / Bell Housing Components parts for the 2019 Buick Lacrosse come from GM GENUINE.

Part numbers include GM GENUINE 12597210 and GM GENUINE 24240026.

This table covers the Torque Converter bolts. Read more

This group shows a single part: GM GENUINE 11588468.

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

6 Torque Converter Shaft Seal parts for the 2019 Buick Lacrosse come from 3 brands — GM GENUINE, NATIONAL and WJB / INMOTION PARTS. The "Popular" part is GM GENUINE 24262294.

This group includes GM GENUINE 24262294, NATIONAL 710889 and GM GENUINE 24274857 and the remaining parts above.