Zumbrota Drivetrain

Differential Overhaul Kit for GM 8.5" Front

$330.89

SKU: YK GM8.5-F

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

Description

The Yukon Master Overhaul Kit is a comprehensive differential rebuild solution for GM 8.5" front differentials. It stands out as one of the most complete kits available, with each application specifically tailored for optimal fit and function. This master overhaul kit includes a full suite of parts for a thorough rebuild. You will find carrier bearings and races, pinion bearings and races, a pinion seal, axle seals, a complete shim kit, ring gear bolts, a pinion nut, a crush sleeve, thread locker, marking compound with brush, and a gasket. The kit is equipped with industry-leading Timken bearings and races, ensuring reliability and longevity. Additionally, it comes with a one-year warranty against manufacturer defects. While professional installation is recommended due to the technical nature of gear installation and the specialized tools often required, this kit can be installed by experienced DIYers. The manufacturer, Yukon Gear and Axle, stands behind their products with a limited 1-year warranty covering manufacturer defects.

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 NumberYK GM8.5-F
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