Zumbrota Drivetrain

Differential Cover Gasket

$17.69

SKU: YCGGM8.5OLDS-12

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Yukon Gear and Axle YCGGM8.5OLDS-12 is a differential cover gasket specifically engineered for 8.5-inch Oldsmobile 442 and Cutlass rear ends. This gasket features a 10-bolt ring gear and a 12-bolt cover configuration, ensuring a precise fit for these specific applications. As a crucial component part, this gasket plays a vital role in maintaining the integrity of your differential housing. It seals the differential cover, preventing the loss of gear oil and protecting internal components from contamination. This Yukon Gear and Axle gasket is manufactured to meet the rigorous demands of drivetrain applications, offering durability and reliable performance. This differential cover gasket is compatible with 1964-1971 Oldsmobile models. It is designed to work with the 8.5-inch GM rear end found in these vehicles, ensuring proper sealing for the 12-bolt cover and 10-bolt ring gear setup.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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

BrandZumbrota Drivetrain
Part NumberYCGGM8.5OLDS-12
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy