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Drivetrain› Differentials and Rear-End Components

Wehrli

Wehrli Differential Cover 11.5 in. AAM Rear Axle for Duramax Cummins WCFab Red WCFab Red 100113-RED

$414.00 $401.58 Save $12.42

SKU: W005 100113-RED

In Stock
In Stock
Ships by Jun 18
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wehrli Rear Differential Cover is a precision-engineered upgrade for Dodge Ram 2500 and 3500 models (2003-2018) with the AAM 11.5-inch rear axle and Cummins or Duramax engines. It features high-quality aluminum construction, a Bengal Red powder-coated finish, stainless steel hardware, and a built-in drain plug for enhanced protection and durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandWehrli
Part NumberW005 100113-RED

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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