---
product_id: 14982064
title: "(ZK GM8.5) Master Overhaul Kit for GM 8.5\" Differential"
brand: "usa standard gear"
price: "47662 som"
currency: KGS
in_stock: true
reviews_count: 13
category: "Usa Standard Gear"
url: https://www.desertcart.kg/products/14982064-zk-gm8-5-master-overhaul-kit-for-gm-8-5
store_origin: KG
region: Kyrgyzstan
---

# Vehicle-specific precision fit Complete overhaul kit Premium USA-made components (ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential

**Brand:** usa standard gear
**Price:** 47662 som
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your differential rebuild with precision and power!

## Quick Answers

- **What is this?** (ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential by usa standard gear
- **How much does it cost?** 47662 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/14982064-zk-gm8-5-master-overhaul-kit-for-gm-8-5)

## 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

- • **Tailored for GM 8.5":** Custom-fit parts engineered specifically for your vehicle’s differential.
- • **All-in-One Master Kit:** Everything you need to rebuild your GM 8.5" differential in one precision package.
- • **Koyo Bearings & Races:** Top-tier durability and smooth operation with trusted Koyo components.
- • **Confidence in Every Turn:** USA Standard Gear’s rigorous research ensures flawless compatibility and long-lasting performance.
- • **Comprehensive Installation:** Includes carrier & pinion bearings, seals, shims, bolts, crush sleeve, and more—no last-minute trips to the store.

## Overview

The ZK GM8.5 Master Overhaul Kit by USA Standard Gear is a complete, vehicle-specific rebuild kit for GM 8.5" differentials. Featuring premium Koyo bearings and races, this USA-made kit includes all essential components—carrier and pinion bearings, seals, shims, bolts, crush sleeve, oil baffles, and more—designed to deliver a seamless, professional-grade installation and reliable performance.

## Description

USA Standard Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), thread locking compound, marking compound with brush, and gasket. Yukon Master Overhaul kits are the most comprehensive and complete kits on the market. Yukon does extensive research to ensure that every kit is specially tailored to your application.

Review: Differential replacement bearings - Great quality
Review: Great quality, perfect fit. - Great quality. Everything fit in the spot it was designed to fit in. I didn’t use the seal, mine is reusable.

## Features

- Fit type: Vehicle Specific
- This kit uses Koyo bearings and races
- USA Standard Master Overhaul kits let you finish your install with confidence
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003O07BZ0 |
| Best Sellers Rank | #9,360 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Differential Assembly Kits |
| Brand | USA Standard Gear |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,732) |
| Date First Available | February 13, 2012 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | Yes |
| Item Weight | 6 pounds |
| Item model number | ZK GM8.5 |
| Manufacturer | USA Standard Gear |
| Manufacturer Part Number | ZK GM8.5 |
| Model | ZKGM8.5 Rear Master Overhaul Kit for GM 8.5" Differential |
| OEM Part Number | ZKGM8.5 |

## Images

![(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential - Image 1](https://m.media-amazon.com/images/I/71zna0ECqbL.jpg)
![(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential - Image 2](https://m.media-amazon.com/images/I/81DWSSdB9rL.jpg)
![(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential - Image 3](https://m.media-amazon.com/images/I/81WG88Kxl0L.jpg)
![(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential - Image 4](https://m.media-amazon.com/images/I/81jsFZ4Sj4L.jpg)
![(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential - Image 5](https://m.media-amazon.com/images/I/61ps-F9Y+JL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Differential replacement bearings
*by E***N on February 24, 2026*

Great quality

### ⭐⭐⭐⭐⭐ Great quality, perfect fit.
*by D***K on February 4, 2026*

Great quality. Everything fit in the spot it was designed to fit in. I didn’t use the seal, mine is reusable.

### ⭐⭐⭐⭐⭐ GM 12 bolt truck differential rebuild kit
*by B***8 on January 27, 2026*

Everything was just as described, good quality bearings, very pleased with parts! Recommending the seller items!

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**Shop now:** [https://www.desertcart.kg/products/14982064-zk-gm8-5-master-overhaul-kit-for-gm-8-5](https://www.desertcart.kg/products/14982064-zk-gm8-5-master-overhaul-kit-for-gm-8-5)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-03-11*