Sale

Drivetrain Differentials and Rear-End Components

Mag-Hytec

NA

$350.00 $332.50 Save $17.50

SKU: M00Y AA14-12

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mag-Hytec AA 14-12.0 Differential Cover is designed to enhance the longevity of the gear lube in your 2020-2023 L5P Duramax. Crafted from high-grade aircraft aluminum, this cover features exterior fins that serve a dual purpose: adding a sleek aesthetic and functioning as heat sinks to efficiently dissipate heat. Complete with a bolt kit, magnetic drain plug, aluminum dipstick, and backed by a limited lifetime warranty, you can trust that this differential cover will endure for the entirety of your truck's lifespan.

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

BrandMag-Hytec
Part NumberM00Y AA14-12

Videos

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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