2021 GMC Terrain 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

2 Axle Shaft Seal parts for the 2021 GMC Terrain come from GM GENUINE.

Listed part numbers: GM GENUINE 84519493 and GM GENUINE 291347.

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

21 CV Axle parts for the 2021 GMC Terrain come from 5 brands — GSP, TOP NOTCH, GM GENUINE and 2 other brands. The "Popular" part is APWI GM8498.

In the Heavy Duty grade, GSP and TOP NOTCH supply 2 parts: rated for severe service. A representative part number is GSP NCV10164XD.

In the Standard Replacement grade, GSP, GM GENUINE, TOP NOTCH and 2 other brands supply 19 parts: built to original-equipment specification. A representative part number is APWI GM8498.

This table covers the CV Joint Lock rings. Read more

One part is listed for the 2021 GMC Terrain — GM GENUINE 90121202.

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

3 Differential Carrier parts for the 2021 GMC Terrain come from GM GENUINE.

Listed part numbers: GM GENUINE 86827648, GM GENUINE 24287261 and GM GENUINE 24287262.

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 2021 GMC Terrain — GM GENUINE 11561302.

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 2021 GMC Terrain come from GM GENUINE.

This group includes GM GENUINE 84905394 and GM GENUINE 84417056.

This table covers the Differential control modules. Read more

One part is listed for the 2021 GMC Terrain — GM GENUINE 85001638.

This table covers the Differential Fill drain plugs. Read more

This group shows a single part: GM GENUINE 92230583.

This table covers the brackets that mount the Differential Mount. 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

One part is listed for the 2021 GMC Terrain — GM GENUINE 84916466.

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 23206449.

This table covers the Differential Ring gears. Read more

One part is listed for the 2021 GMC Terrain — GM GENUINE 24298251.

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

One part is listed for the 2021 GMC Terrain — GM GENUINE 42939384.

This table covers the Drive Shaft bolts. Read more

This group shows a single part: GM GENUINE 11570500.

This table covers the Retaining rings. Read more

This group shows a single part: GM GENUINE 24231157.