2026 GMC Acadia Drivetrain Parts

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

One part is listed for the 2026 GMC Acadia — ACDELCO 291363.

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

GM GENUINE supplies the 6 CV Axle parts for the 2026 GMC Acadia. GM GENUINE 42941174 carries the "Popular" badge.

This group includes GM GENUINE 42941174, GM GENUINE 42941173 and GM GENUINE 84889400 and the remaining parts above.

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 2026 GMC Acadia — GM GENUINE 85662925.

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

5 CV Joint Boot Band parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 11611752, GM GENUINE 84167063 and GM GENUINE 84167071 and the remaining parts above.

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 both parts for the 2026 GMC Acadia.

Listed part numbers: GM GENUINE 24289900 and GM GENUINE 24289902.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 24237378.

This table covers the Differential Carrier bolts. Read more

This group shows a single part: 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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Listed part numbers: GM GENUINE 84905394 and GM GENUINE 84417056.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

This group includes GM GENUINE 24298740 and GM GENUINE 24298741.

This table covers the Differential control modules. Read more

This group shows a single part: GM GENUINE 85850298.

This table covers the Differential Fill drain plugs. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 19256068.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 23276833.

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 2026 GMC Acadia — GM GENUINE 87845955.

This table covers the Differential Ring gears. Read more

This group shows a single part: GM GENUINE 24298250.

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 2026 GMC Acadia, 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 2026 GMC Acadia — GM GENUINE 24271417.

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

VALVOLINE supplies the 7 Transfer Case Fluid parts for the 2026 GMC Acadia. VALVOLINE VV975 carries the "Popular" badge.

Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, plus the other parts above.

This table covers the seals at the Transfer Case Housing Extension. 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 Transfer Case Housing Extension Seal parts for the 2026 GMC Acadia come from GM GENUINE.

Part numbers include GM GENUINE 85136882 and GM GENUINE 85136884.

This table covers the seals at the Transfer Case 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

2 Transfer Case Input Shaft Seal parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 84823713 and GM GENUINE 85634029.

This table covers the Transfer Case Intermediate shafts. Read more

This group shows a single part: GM GENUINE 84392864.

This table covers the Transfer Case Locating pins. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 84392855.

This table covers the Transfer Case motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

This group shows a single part: GM GENUINE 86805253.

This table covers the Transfer Case Oil drain plugs. Read more

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Listed part numbers: GM GENUINE 19256069 and GM GENUINE 42694802.