Buy 1985 Buick Century Differential Carrier. 11.50. 11.50; w/Limited Slip. All Models; 10.50; w/Limited Slip, Gas, HD, Shaft - OEM Buick Part # 84990311 (84558493)

Differential. Carrier.
Differential Carrier. Includes: Side & Pinion Gears,Shaft,Governor, and Disc Set. Limited Slip Differential. Loaded. Ring Gear 11.50". Case. DIFFERENT. Gear Assembly.

Differential Carrier

11.50. 11.50; w/Limited Slip. All Models; 10.50; w/Limited Slip. Silverado, Sierra 2500 HD; Gas. Silverado, Sierra 3500 HD; Gas. Silverado, Sierra; 11.50. Silverado, Sierra; 11.50; w/Limited Slip. Suburban 3500HD.
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 1985 Buick Century and can recommend the ideal course of action.