Zumbrota Drivetrain

USA Standard Gear 11.5" Differential Master Overhaul Kit

$652.89

SKU: ZK GM11.5-B

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

Description

The USA Standard Gear Master Overhaul kit provides all the necessary parts for a comprehensive differential overhaul, all included under a single part number. This kit is engineered for mid-2011 and newer GM and Chrysler vehicles equipped with the 11.5" AAM differential. Included in this kit are essential components such as Koyo bearings and races, pinion bearings and races, a pinion seal, a complete shim kit, ring gear bolts, a pinion nut, a crush sleeve, thread locker, and marking compound with a brush and gasket. USA Standard Gear Master Overhaul Kits are designed with the general installer and do-it-yourself customer in mind, offering unmatched reliability. The brand aims to provide the assurance that your vehicle is repaired for the long haul, with tailor-made kits to meet specific installation needs.

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

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Specifications

BrandZumbrota Drivetrain
Part NumberZK GM11.5-B
CategoryDrivetrain

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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.

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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.

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