2025 Chevrolet Blazer 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

4 Axle Shaft Seal parts for the 2025 Chevrolet Blazer come from 3 brands — GM GENUINE, ACDELCO and SKF.

Listed part numbers: ACDELCO 291363, GM GENUINE 23276834 and GM GENUINE 291342, plus the other parts above.

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

4 CV Axle parts for the 2025 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 84990738, GM GENUINE 86508788 and GM GENUINE 85150641, plus the other 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

3 CV Joint Boot parts for the 2025 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 85662927, GM GENUINE 85662928 and GM GENUINE 85662929.

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

GM GENUINE supplies the 5 CV Joint Boot Band parts for the 2025 Chevrolet Blazer.

Listed part numbers: GM GENUINE 84167063, GM GENUINE 84167070 and GM GENUINE 84207707, plus the other parts above.

This table covers the CV Joint Lock rings. Read more

GM GENUINE supplies both parts for the 2025 Chevrolet Blazer.

This group includes GM GENUINE 90223082 and GM GENUINE 22727024.

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

4 Differential Carrier parts for the 2025 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 24289904, GM GENUINE 24289906 and GM GENUINE 24289900, plus the other parts above.

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

This group shows a single part: GM GENUINE 24237378.

This table covers the Differential Carrier bolts. Read more

One part is listed for the 2025 Chevrolet Blazer — 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

2 Differential Carrier Bushing parts for the 2025 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 84905394 and GM GENUINE 84417056.

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

4 Differential Carrier Fluid Baffle parts for the 2025 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 24298738, GM GENUINE 24298739 and GM GENUINE 24298740, among others listed above.

This table covers the Differential control modules. Read more

One part is listed for the 2025 Chevrolet Blazer — 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

One part is listed for the 2025 Chevrolet Blazer — GM GENUINE 23234990.

This table covers the Differential Fill drain plugs. Read more

2 Differential Fill / Drain Plug parts for the 2025 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 19256069 and GM GENUINE 19256068.

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

This group shows a single part: GM GENUINE 23276833.

This table covers the Differential Pinion Bearing bolts. Read more

This group shows a single part: GM GENUINE 11604402.

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

This group shows a single part: GM GENUINE 87845955.

This table covers the Differential Ring gears. Read more

GM GENUINE supplies both parts for the 2025 Chevrolet Blazer.

Listed part numbers: GM GENUINE 24298251 and GM GENUINE 24298250.

This table covers the driveshafts that carry torque from the transmission or transfer case. Read more

2 Drive Shaft parts are listed for the 2025 Chevrolet Blazer, from GSP and TOP NOTCH.

Part numbers include GSP PS901975 and TOP NOTCH TN1726PS.

This table covers the Drive Shaft retainers. Read more

One part is listed for the 2025 Chevrolet Blazer — 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 for the 2025 Chevrolet Blazer come from 2 brands — VALVOLINE and ACDELCO. The "Popular" part is VALVOLINE VV975.

Listed part numbers: VALVOLINE VV975, ACDELCO 105050 and VALVOLINE 889785, plus the other parts above.

This table covers the Retaining rings. Read more

2 Retaining Ring parts for the 2025 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 24231157 and GM GENUINE 24271417.

This table covers the Torque tubes. Read more

One part is listed for the 2025 Chevrolet Blazer — GM GENUINE 85686599.

This table covers the Transfer Case bolts. Read more

One part is listed for the 2025 Chevrolet Blazer — GM GENUINE 11603660.

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

7 Transfer Case Fluid parts for the 2025 Chevrolet Blazer come from VALVOLINE. The "Popular" part is VALVOLINE VV975.

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

GM GENUINE supplies both parts for the 2025 Chevrolet Blazer.

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

GM GENUINE supplies both parts for the 2025 Chevrolet Blazer.

Part numbers include GM GENUINE 84823713 and GM GENUINE 85634029.

This table covers the Transfer Case Intermediate shafts. Read more

One part is listed for the 2025 Chevrolet Blazer — GM GENUINE 84392864.

This table covers the Transfer Case Locating pins. Read more

This group shows a single part: 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

GM GENUINE supplies both parts for the 2025 Chevrolet Blazer.

Part numbers include GM GENUINE 86805253 and GM GENUINE 86805252.

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

This group shows a single part: GM GENUINE 19256069.

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

One part is listed for the 2025 Chevrolet Blazer — GM GENUINE 84785609.