Skip to product information
1 of 3

GM 8.875" Ring Gear (Truck), 12 Bolt, Differential Cover

Regular price USD $255.00
Regular price USD Sale price USD $255.00
Sale Sold out


Volume: 1.0 qt. over stock

Dimensions: Depth inside is 4½ inches. Click for larger image.



This differential cover fits GMC and Chevy trucks and SUVs with the GM 8 7/8" (8.875") ring gear 12 bolt differential. Typical applications include ½ and ¾ ton vehicles with 2 or 4 wheel drive made by Chevrolet and GMC from 1963 - 1991. These trucks and SUVs came with options for different differentials so please check before ordering. Some common applications for this rear end cover are:

  • C10 & K10, 1967-1976
  • C20 & K20, 1973-1976
  • Chevrolet Blazer, 1969 to 1976
  • GMC Jimmy, 1969 to 1976
  • Suburban 10/1500, 1973-1981
  • Suburban 20/2500, 1973-1991


Read about an install of this cover on a 1972 Chevrolet C-10 in Classic Trucks magazine.

PML Differential Cover Features:

  • Increased oil capacity for cooler temperatures
  • Sand-cast aluminum with raised fins
  • Thick wall construction to add strength to differential housing
  • Thick gasket flange will not bend when bolts are tightened
  • Machined gasket surface for a secure seal using RTV or factory reusable gasket
  • Oil changes without removing the cover
  • All hardware provided, including magnetic drain plug

Additional Info