AAM 11.5" Differential Cover


AAM 11.5" Differential Cover

from 195.00

​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!​​

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  • 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