---
product_id: 386574239
title: "Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential for GM 8.5\"/8.6\" with 30 Spline Axle"
brand: "yukon gear & axle"
price: "1397056CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/386574239-yukon-gear-ydggm8-5-3-30-1-duragrip-differential-gm
store_origin: SN
region: Senegal
---

# Fully rebuildable design Forged 4320 steel internals Assembled in the USA Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential for GM 8.5"/8.6" with 30 Spline Axle

**Brand:** yukon gear & axle
**Price:** 1397056CFA
**Availability:** ✅ In Stock

## Summary

> 🚙 Grip the road like a pro with Yukon’s rugged posi power!

## Quick Answers

- **What is this?** Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential for GM 8.5"/8.6" with 30 Spline Axle by yukon gear & axle
- **How much does it cost?** 1397056CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/386574239-yukon-gear-ydggm8-5-3-30-1-duragrip-differential-gm)

## Best For

- yukon gear & axle enthusiasts

## Why This Product

- Trusted yukon gear & axle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Fit:** Designed specifically for GM 8.5"/8.6" axles with 30 spline for seamless installation.
- • **Unmatched Durability:** Forged 4320 steel internals engineered for long-lasting strength and reliability.
- • **Customizable Performance:** Fully rebuildable clutch-style posi traction lets you tailor your ride’s grip and control.
- • **Confidence Backed by Warranty:** Includes a 1-year warranty for peace of mind on every adventure.
- • **Smooth Yet Aggressive Traction:** Delivers aggressive traction to both wheels without compromising ride comfort.

## Overview

The Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential is a clutch-style positraction unit designed for GM 8.5"/8.6" axles with 30 spline. Featuring forged 4320 steel internals and a fully rebuildable design, it delivers aggressive traction while maintaining smooth ride quality. Proudly assembled in the USA and backed by a 1-year warranty, this differential is built for both on- and off-road enthusiasts seeking reliable, customizable drivetrain performance.

## Description

Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential for GM 8.5"/8.6" with 30 Spline Axle

## Features

- 1 Year Warranty;2.73 ratio and up only
- Forged 4320 Steel Internals
- Fully Rebuildable
- Clutch Style Positraction
- Assembled in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Yukon Gear |
| Brand | Yukon Gear & Axle |
| Model | YDGGM8.5-3-30-1 |
| Item model number | YDGGM8.5-3-30-1 |
| Manufacturer Part Number | YDGGM8.5-3-30-1 |
| OEM Part Number | YDGGM9.5331 |
| Volume | 1331 Cubic Inches |
| Colour | Purple |
| Assembly Required | No |
| Manufacturer | Yukon Gear |
| Item Weight | 10 kg 100 g |

## Product Details

- **Brand:** Yukon Gear & Axle
- **Colour:** Purple
- **UPC:** 883584260165
- **Global Trade Identification Number:** 00883584260165
- **Manufacturer:** Yukon Gear

## Images

![Yukon Gear YDGGM8.5-3-30-1 Duragrip Differential for GM 8.5"/8.6" with 30 Spline Axle - Image 1](https://m.media-amazon.com/images/I/61vTkWDo-GL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this fit a 86 Chevy C10 with the 8.5 10 bolt rear?**
A: no you will need 30 spline axles those trucks used 28 spline axles

**Q: This fit a 94 chevy 1500?**
A: Yes, this unit will work GREAT in a 1994 Chevy 1500.

Let me know if you have any other questions.

Thanks,
BRYDON
641-751-8060
staticz2229@gmail.com

**Q: Is this a drop in replacement?**
A: Almost a  drop in unit, you will have to move your ring gear from your  original  unit..and  press on new  bearings...

**Q: Will this fit a 1973 Pontiac Firebird?**
A: First answer is not correct. This is NOT for a 9.5” 14 bolt. The description states it is for a 10 bolt 8.5” or 8.6” with 30 spline axle shafts

## Frequently Bought Together

- 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
- Friction Modifier Positraction Additive for Limited Slip Differentials
- Yukon Gear & Axle (CK GM8.6) Carrier Installation Kit for GM 8.6 Differential

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**Shop now:** [https://www.desertcart.sn/products/386574239-yukon-gear-ydggm8-5-3-30-1-duragrip-differential-gm](https://www.desertcart.sn/products/386574239-yukon-gear-ydggm8-5-3-30-1-duragrip-differential-gm)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-16*