USA Standard Gear

GM 8.6" Differential Master Overhaul Kit

$296.86

SKU: ZK GM8.6-B

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

Description

The USA Standard Gear ZK GM8.6-B Master Overhaul Kit provides a comprehensive solution for rebuilding your GM 8.6" differential. Engineered for 2009 and newer models, this kit streamlines the overhaul process by consolidating all essential components into a single part number, ensuring compatibility and saving you time and money. It includes a complete set of parts required for a thorough differential rebuild, such as carrier bearings and races, pinion bearings and races, a pinion seal, a full shim kit, ring gear bolts, a pinion nut, a crush sleeve, thread locker, and a marking compound with an applicator brush and gasket. This master overhaul kit is compatible with a wide range of GM vehicles equipped with the 8.6" differential from 2009 and newer. Specific fitment includes 2009-2013 Cadillac Escalade, 2009-2012 Chevrolet Colorado (4WD/RWD), 2009-2013 Chevrolet Avalanche, 2009-2014 Chevrolet Express 1500, 2009 Chevrolet Trailblazer, 2009-2017 Chevrolet Silverado 1500 (4WD/RWD), 2009-2013 Chevrolet Suburban 1500 (4WD/RWD), 2009-2017 Chevrolet Tahoe (4WD/RWD), 2009-2012 GMC Canyon (4WD/RWD), 2009 GMC Envoy (4WD/RWD), 2009-2013 GMC Savana 1500, 2009-2017 GMC Sierra 1500, 2009-2013 GMC Yukon (4WD/RWD), 2009-2013 GMC Yukon XL 1500, 2009 Saab 9-7x (AWD), and 2009-2010 Hummer H3 (4WD). All listed vehicles are for rear applications.

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

BrandUSA Standard Gear
Part NumberZK GM8.6-B
CategoryDrivetrain

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

Call us, follow along, or come say hi.

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