---
product_id: 264038264
title: "(ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential"
brand: "usa standard gear"
price: "$411"
currency: NZD
in_stock: true
reviews_count: 6
category: "Usa Standard Gear"
url: https://www.desertcart.nz/products/264038264-zk-gm8-6-master-overhaul-kit-for-gm-8-6
store_origin: NZ
region: New Zealand
---

# Includes OEM-grade Koyo bearings & races Complete overhaul kit All-in-one install with shims, bolts & seal (ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential

**Brand:** usa standard gear
**Price:** $411
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your GM 8.6" differential rebuild with precision and confidence!

## Quick Answers

- **What is this?** (ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential by usa standard gear
- **How much does it cost?** $411 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/264038264-zk-gm8-6-master-overhaul-kit-for-gm-8-6)

## Best For

- usa standard gear enthusiasts

## Why This Product

- Trusted usa standard gear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comprehensive Master Kit:** Carrier bearings, pinion bearings, seals, shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, and gasket all in one box.
- • **Trusted by Thousands of Professionals:** Ranked #5 in Car Differential Assembly Kits with a 4.4-star rating from over 2,600 users—join the elite who upgrade right.
- • **Premium Koyo Bearings & Races Included:** Trusted OEM-quality components for durability and smooth operation under pressure.
- • **Installation Confidence with Every Part:** Complete with marking compound and brush for precise setup—no guesswork, just perfect alignment.
- • **Precision Engineered for GM 8.6" Differentials:** Tailored fit for 1999-2008 GM models ensures seamless installation and peak performance.

## Overview

The USA Standard Gear ZK GM8.6 Master Overhaul Kit is a vehicle-specific, all-inclusive rebuild solution for 1999-2008 GM 8.6" differentials. Featuring premium Koyo bearings and races, a complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound, and gasket, this kit equips professionals and enthusiasts alike to perform flawless differential overhauls with OEM-quality parts and trusted reliability.

## Description

Fits 1999-2008 GM 8. 6" Uses Koyo bearings and races Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket. Technical Notes

Review: Arrived squished. - Arrived squished.
Review: every brg, seal, shims. good product

## Features

- USA Standard Master Overhaul kits let you finish your install with confidence
- This kit uses Koyo bearings and races
- Includes carrier bearings and races,
- Includes complete shim kit
- Includes ing gear bolts, pinion nut, crush sleeve.Includes thread locker, marking compound with brush and gasket.Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0078U94S4 |
| Best Sellers Rank | #19,598 in Automotive ( See Top 100 in Automotive ) #5 in Car Differential Assembly Kits |
| Brand | USA Standard Gear |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,651) |
| Date First Available | 15 September 2023 |
| Exterior | Machined |
| Item Weight | 2.95 Kilograms |
| Item model number | ZK GM8.6 |
| Manufacturer | USA Standard Gear |
| Manufacturer Part Number | ZK GM8.6 |
| Model | Master Overhaul Kit for the '99-08 GM 8.6" Differential |
| OEM Part Number | ZKGM8.6 |
| Product Dimensions | 30.48 x 30.48 x 7.62 cm; 2.95 kg |

## Images

![(ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential - Image 1](https://m.media-amazon.com/images/I/71B+vxVTFFL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐ Arrived squished.
*by S***S on 5 February 2023*

Arrived squished.

### ⭐⭐⭐⭐⭐ Review
*by H***E on 19 February 2021*

every brg, seal, shims. good product

### ⭐⭐⭐⭐⭐ Review
*by M***E on 25 August 2021*

My hubby wasn’t overly thrilled with the gasket but the other parts is what he needed!

## Frequently Bought Together

- USA Standard Gear (ZK GM8.6) Master Overhaul Kit for GM 8.6 Differential
- Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30 Spline, 2.73-Up, Compatible with 8.5"/8.6" GM Axle, YDGGM8.5-3-30-1
- USA Standard Gear (ZG GM8.5-373) Ring & Pinion Gear Set for GM 8.5 Differential

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**Shop now:** [https://www.desertcart.nz/products/264038264-zk-gm8-6-master-overhaul-kit-for-gm-8-6](https://www.desertcart.nz/products/264038264-zk-gm8-6-master-overhaul-kit-for-gm-8-6)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-09*