Differential for 1988 Chevrolet C1500
No.
Part # / Description / Price
3
Axle Shaft 
GM
GM Axle Shafts
30, with 8.5 ring gear. 2wd, 3/4 & 1 ton, gm, 9.50 gear. All models. Right. 3/4 ton, 9.5 gear. G30 vans.
4
Rear Wheel Bearing Seal GM
GM Hub Seals
Ring Gear 10.50". Dual Rear Wheels. 13 x 2.5" Rear Brakes. Helps prevent contaminants from entering your vehicle's wheel hub This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
5
Rear Wheel Bearing GM
MSRP $140.46
GM Inner Bearing
Help minimize wear and friction in a variety of applications on your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
Rear Outer Wheel Bearing GM
MSRP $142.10
GM Outer Bearing
Allows the wheel to rotate with minimal friction Supports the weight of the vehicle Maximum lateral stiffness for optimum ride, handling, and driving dynamics GM OE parts are built to help withstand potholes and designed to maximize seal life GM OE bearing designs are dimensionally optimized to work with their mating parts
6
Differential Case GM
MSRP $1,008.26
GM This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
Differential Side and Pinion Gear Kit GM
MSRP $781.71
GM Pinion Gear
All models. Without limited slip. 10.50. Silverado, sierra. 10.50. Express, savana. With limited slip. 9.50, 10.50. Ring Gear 10.50". Exc.Limited Slip Differential. Kit. Incl.Pinion Gears,Side Gears and Thrust Washers. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
9
Multi-Purpose Washer GM
MSRP $41.17
GM Pinion Washer
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
9
Differential Pinion Gear Thrust Washer GM
MSRP $21.03
GM Pinion Washer
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
10
Locking Differential Spider GM
MSRP $316.70
GM Pinion Shaft
Without limited slip. 10.50. Express, savana. All. G30 vans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Differential Ring and Pinion Gear Kit GM
MSRP $864.58
GM Ring & Pinion
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 Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems - aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
12
Front Differential Drive Pinion Gear Outer Bearing GM
MSRP $133.06
GM Pinion Bearings
Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
14
15
Differential Side Gear Thrust Washer GM
MSRP $7.95
GM Side Washer
Limited Slip Differential. .027". This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
15
Multi-Purpose Washer GM
MSRP $7.77
GM Side Washer
All models. With limited slip. Left. Right. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors