AAM 11.5" Differential Cover

Finish *
Current stock: 0


Fits 2003 and newer Dodge Ram 2500 & 3500 with high diesel engine, also fits GM Silverado and Sierra 2500HD & 3500 with the Duramax or 8.1 enine

Available in 3 finishes!​​


  • ​14 Bolt rear

  • Volume: 0.75 qt. over stock

  • Increased oil capacity for cooler temperatures

  • Sand-cast aluminum with raised fins

  • 3/16-inch thick wall construction to add strength to differential housing

  • 3/8-inch 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

  • Dimensions available here



Additional Info

Additional Info