2026 GMC Acadia Automatic Transmission Parts

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24060298.

This table covers the Accumulator Piston Seal sleeves. Read more

2 Accumulator Piston Seal / Sleeve parts for the 2026 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 24271624 and GM GENUINE 24288114.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24278312.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24042670.

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

2 Clutch Apply Plate parts for the 2026 GMC Acadia come from GM GENUINE.

Part numbers include GM GENUINE 24267678 and GM GENUINE 24286809.

This table covers the Clutch housings. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 24278556.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24260435.

This table covers the Clutch hubs. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 24282552.

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

4 Clutch Pack Piston parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 24050076, GM GENUINE 24297284 and GM GENUINE 24278260 and the remaining parts 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

5 Clutch Pack Piston Dam / Seal parts for the 2026 GMC Acadia come from GM GENUINE. The "Popular" part is GM GENUINE 24230745.

Listed part numbers: GM GENUINE 24230745, GM GENUINE 24230739 and GM GENUINE 24277333, plus the other parts 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

10 Clutch Plate parts for the 2026 GMC Acadia come from GM GENUINE. The "Popular" part is GM GENUINE 24268140.

In the Backing Plate grade, GM GENUINE supplies 2 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 24267680.

The Friction section lists 6 options from GM GENUINE — grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. GM GENUINE 24268140 is listed in this group.

In the Wave Plate grade, GM GENUINE supplies 1 part: 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 Retaining rings. Read more

GM GENUINE supplies the 3 Clutch Plate Retaining Ring parts for the 2026 GMC Acadia.

Listed part numbers: GM GENUINE 24267681, GM GENUINE 24253298 and GM GENUINE 24272171.

This table covers the Clutch Seal rings. Read more

One part is listed for the 2026 GMC Acadia — 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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24287544.

This table covers the Drive sprockets. Read more

2 Drive Sprocket parts for the 2026 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 24060010 and GM GENUINE 24271482.

This table covers the Driven sprockets. Read more

This group shows a single part: GM GENUINE 24271485.

This table covers the Extension Housing bolts. Read more

This group shows a single part: GM GENUINE 11548714.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE TF925.

This table covers the gaskets that seal the Filter. 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

This group shows a single part: GM GENUINE 24247757.

This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 24042617.

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 the 4 Fluid Cooler Line / Hose parts for the 2026 GMC Acadia.

This group includes GM GENUINE 26528611, GM GENUINE 84879400 and GM GENUINE 84897690 and the remaining parts above.

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

2 Fluid Cooler Line / Hose Seal parts for the 2026 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 25874797 and GM GENUINE 24284737.

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 2026 GMC Acadia — GM GENUINE 24052581.

This table covers the Fluid Pump Cover bolts. Read more

GM GENUINE supplies the 3 Fluid Pump Cover Bolt parts for the 2026 GMC Acadia.

This group includes GM GENUINE 11547920, GM GENUINE 24044946 and GM GENUINE 24230699.

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

This group shows a single part: GM GENUINE 24268389.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24271446.

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

2 O-Rings & Seals parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 24291646 and GM GENUINE 24264987.

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

This group shows a single part: GM GENUINE 24298225.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

This group includes GM GENUINE 24280954 and GM GENUINE 24285405.

This table covers the Plug adapters. Read more

This group shows a single part: GM GENUINE 8654382.

This table covers the Retaining rings. Read more

This group shows a single part: GM GENUINE 24231278.

This table covers the Sun gears. Read more

4 Sun Gear parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 24055954, GM GENUINE 24269026 and GM GENUINE 24282554 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

6 Sun Gear Bearing parts for the 2026 GMC Acadia come from GM GENUINE. The "Popular" part is GM GENUINE 24260431.

This group includes GM GENUINE 24260431, GM GENUINE 24260438 and GM GENUINE 24076254 and the remaining parts above.

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

This group shows a single part: GM GENUINE 11515758.

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

3 Torque Converter Shaft Seal parts for the 2026 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 24274857, GM GENUINE 24262294 and GM GENUINE 24267848.

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

15 Transmission Fluid parts are listed for the 2026 GMC Acadia, from VALVOLINE, LIQUI MOLY, PENTOSIN and 2 other brands. ACDELCO 109394 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 Dexron grade, ACDELCO, VALVOLINE and MOBIL supply 5 parts: grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 109394.

In the Multi-Vehicle grade, VALVOLINE, LIQUI MOLY and MOBIL supply 7 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV3246.

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 8 Transmission Fluid Additive parts for the 2026 GMC Acadia. LUBEGARD 19610 carries the "Popular" badge.

Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, plus the other parts 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

8 Transmission Mount parts for the 2026 GMC Acadia come from 2 brands — GM GENUINE and ANCHOR. The "Popular" part is ANCHOR 3507.

Part numbers include ANCHOR 3507, ANCHOR 3525 and ANCHOR 3430, among others listed above.

This table covers the seals at the Turbine 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 2026 GMC Acadia — GM GENUINE 24042342.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Part numbers include GM GENUINE 24060013 and GM GENUINE 24060008.

This table covers the check balls inside the transmission valve body. Read more

This group shows a single part: GM GENUINE 00147485.

This table covers the gaskets that seal the Valve Body Cover. 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 2026 GMC Acadia — GM GENUINE 24051191.

This table covers the Valve Body Separator 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

3 Valve Body Separator Plate parts for the 2026 GMC Acadia come from GM GENUINE.

Part numbers include GM GENUINE 24047163, GM GENUINE 24290853 and GM GENUINE 24291076.