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Drivetrain› Differentials and Rear-End Components

Wehrli

Wehrli 01-19 Chevrolet Duramax/03-19 Dodge Cummins 11.5in AAM Rear Diff. Cover - Illusion Purple

$414.00 $401.58 Save $12.42

SKU: W005 WCF100113-IP

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: WCF100113-IP

Fabricated Aluminum Rear Diffirential Cover for AAM 11.5 Axle for Dodge and GM HD Trucks.

Wehrli Custom Fab Differential Cover, 11.5 in. AAM Rear Axle, for Duramax/Cummins, Illusion Purple

MIA's Description

The Wehrli Custom Fab WCF100113 11.5" AAM Rear Axle Differential Cover is a precision laser cut, CNC Bent, and fully TIG welded aluminum assembly designed to replace the OEM cover. It includes a 1" Fill Port (with 3/4” Hex Head Socket Drive) and new Stainless Steel Allen Head Installation hardware. The cover is finished in your choice of custom powder coat colors and is engineered for enhanced cooling and better oil circulation. It is made from high-quality fabricated aluminum for durability and resistance to wear.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandWehrli
Part NumberW005 WCF100113-IP

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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