Drivetrain› Differentials and Rear-End Components

Wehrli

2021 DURAMAX REAR AXLE DIFFERENTIAL COVER WCFAB GREY

$401.58

SKU: W005 100114-GRY

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wehrli Rear Differential Cover is a crucial drivetrain component designed to protect your vehicle's differential from damage, especially during off-road use. This grey cover (MPN 100114-GRY) ensures reliable power transfer from the engine to the wheels and is compatible with 2020-2024 GM Duramax and 2019-2023 Ram HD trucks.

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 100114-GRY

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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