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Duramax/Cummins AAM 11.5" Rear Differential Cover

- Aluminum Fabricated Cover
- Stainless Hardware
- Fill Plug
- Custom Powder Coat Finish
- Made in USA
Availability: WCFab Red, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Pricing: $354.00

Customize Your Item

- Powder Coating -
 * required
- Tag (Logo) Finish (PCUCTAG) -
 * required
- Bolt Kit -
 * required


These Fabricated Aluminum Differential Covers for AAM 11.50 Rear Axle on Dodge / RAM and GM HD Trucks from WCFab are precision laser cut, CNC Bent, and fully TIG welded aluminum assemblies designed to replace the OEM cover. Includes a 1" Fill Port (with 5/8" Allen Plug) and all new Stainless Steel Installation hardware. Finished in your choice of custom powder coat colors.  

Replaces the following GM Part Numbers: 12471445, 20984339, 23445891

Replaces the following MOPAR Part Numbers: 5086904AD, 5086904AB, 5086904AC




Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W16.0000” x H16.0000” x L10.0000”
  • This item ships in its own box.

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