Drivetrain› Differentials and Rear-End Components

Mag-Hytec

~(8 lbs. 11X11X3)~ GM 1970 to present 1500 truck Suburban 1500 2500 Blazer Van AND some cars 4 quart capacity 5/16 - 18 - 1 / 8 - 1.25 x 30mm

$324.00

SKU: M00Y GM10-8.5

In Stock
In Stock
Ships by Jun 21
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mag-Hytec GM10-8.5 is a heavy-duty differential cover designed for GM 10-bolt 8.5-inch rear axles. It is typically made from cast aluminum for increased strength and heat dissipation, and often features a larger fluid capacity, magnetic drain plug, and dipstick for easy fluid level checks.

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.

Available on iOS & Android

Specifications

BrandMag-Hytec
Part NumberM00Y GM10-8.5

Videos

8.5\" GM 10 Bolt Differential Cover Plate and Fluid Replacement

8.5\" GM 10 Bolt Differential Cover Plate and Fluid Replacement
PML Your Covers GM 10 Bolt Rear Differential Flush & Cover Installation

PML Your Covers GM 10 Bolt Rear Differential Flush & Cover Installation

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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