2019+ Cummins/ Duramax AA 14-12.0" Rear Differential Cover (AA14-12.0)

Fits

Cast from A356-T6 aluminum; add styling, function, and strength to your differential, no need to take off cover to perform routine maintenance.  Featuring a finned cover, ARP 568 O-rings, & 303 stainless steel hardware, for exceptional cooling and leak free performance. 

Part Number: AA14-12.0

• Overall height 3 5/8″
• Capacity: 8 Quarts
• Dual or Single rear Wheel applications
• Includes Bolt kit, Drain Plug & Dip Stick
• Increases lubrication & cooling capacity
• Cast A356-T6 aluminum
• ARP 568 O-rings (require no gaskets or sealant)
  
• 303 stainless steel hardware

• This cover is the correct cover for your 14 bolt – 12″ differential, even though there are only 12 bolt holes. The top and bottom bolts have been removed for drain plug and temperature sending unit hole.