Buy 2003 Buick Century Differential Carrier. Silverado, Sierra; 9.76" Ring Gear; w/Performance Package Gear, Ring, Package - OEM Buick Part # 85584991 (85520804)

Differential. Carrier.
Differential Carrier. Limited Slip Differentials Only Serviced As Assemblies. Loaded. Case. DIFFERENT. Gear Assembly.

Differential Carrier

Fits Sierra 1500, Sierra 1500 Limited, Silverado

Silverado, Sierra; 9.76" Ring Gear; w/Performance Package.
Differential Carrier - Repair or Replace
Your differential may need to be removed and rebuilt for a variety of symptoms including whine or groan noises, clunks or grinding, or excessive leaks. Our technicians have experience with your 2003 Buick Century and can recommend the ideal course of action.