Differentials & Parts for 2003 GMC Sierra 2500
Select Differentials & Parts part
Front Differential Bearing Adjuster O-Ring Seal
ACDelco
15521872
GM Genuine Parts Differential Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Front
$7.87
Fits Your Vehicle
Multi-Purpose Nut
ACDelco
11517996
GM Genuine Parts Nuts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are...
$5.29
Fits Your Vehicle
Rear Axle Housing Cover Kit with Plug, Brackets, Gasket, and Bolt
GM
19333218
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.69
MSRP $108.21
Save $46.52
43% Off 
Rear Wheel Bearing
GM
09439561
Help minimize wear and friction in a variety of applications on your vehicle
Differential Bearing
GM
11505123
Low friction rotating elements that support the drive axle differential carrier within the axle or final drive housing
This GM Genuine...
Front Drive Axle Clutch Fork
GM
12479213
All models. 9.25 ring gear. Yukon XL, Suburban. Escalade ESV. Avalanche, Escalade EXT. 4wd. Tahoe, Yukon, Escalade. Suburban 3500hd....
Fits Your Vehicle
Differential Drive Pinion Gear Seal
GM
26064029
Helps ensure differential fluid does not leak out of your vehicle's differential
This GM Genuine Part is designed, engineered, and...
Fits Your Vehicle
Rear Axle Housing Cover
GM
22891940
Express, savana. 1 ton. All. Without saginaw-american axle. Ring Gear 10.50". Silverado, sierra. 10.50. Suburban 3500hd. , 3/4 ton. This...
Positions: Rear
$35.96
MSRP $53.04
Save $17.08
32.2% Off Fits Your Vehicle
Differential Case
GM
26067357
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$811.65
MSRP $1,008.26
Save $196.61
19.5% Off Fits Your Vehicle
Front Differential Drive Pinion Gear Bearing Dirt Deflector
GM
15588337
All models. 9.25 ring gear. Tahoe, Yukon, Escalade. Awd. Avalanche, Escalade EXT. Yukon XL, Suburban. Escalade ESV. Suburban 3500hd....
Fits Your Vehicle
Front Differential Drive Pinion Gear Outer Bearing
GM
09417781
Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing
This GM Genuine...
$47.66
MSRP $133.06
Save $85.40
64.2% Off 
Multi Purpose Bearing with Race
GM
23243839
Help minimize wear and friction in a variety of applications on your vehicle
This GM Genuine Part is designed, engineered, and tested to...
Differential Ring and Pinion Gear Kit
GM
84066051
Drive Ratio 4.10. Silverado, sierra. 2500. 11.50. 4.10 ratio. Suburban 3500hd. 6.0l. Without 10.50 ring gear set. 4.10 ratio. This GM...
Differential Side and Pinion Gear Kit
GM
12471687
All models. Without limited slip. 10.50. Silverado, sierra. 10.50. Express, savana. With limited slip. 9.50, 10.50. Ring Gear 10.50"....
Fits Your Vehicle
Axle Shaft Bearing
GM
12334861
Silverado, sierra. 5.500. For Intermediate Shaft. 1.875" O.D. Yukon XL, Suburban. 6.0l. Suburban 3500hd. This GM Genuine Part is...
Positions: Front
$32.12
MSRP $53.54
Save $21.42
40% Off Fits Your Vehicle
Differential Ring and Pinion Gear Kit
GM
19210931
All models. 10.50. 4.10 ratio. Express, savana. 4.10 ratio. Silverado, sierra. 2500. 10.50. 4.10 ratio. Drive Ratio 4.10. This GM...
Fits Your Vehicle
Front Differential Drive Pinion Gear Yoke
ACDelco
88967027
GM Genuine Parts Differential End Yokes are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
Positions: Front Differential
$74.70
Fits Your Vehicle
Differential Pinion Shaft
ACDelco
14012700
GM Genuine Parts Differential Pinion Shafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
Positions: Front
$42.61
Fits Your Vehicle
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