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Yukon Gear and AxlePart # YDGGM8.5-3-30-1

Yukon Dura Grip Limited Slip for GM 8.5" & 8.6" Diff, 2.73 & Up Ratio, 30 Spline

Regular price $504.87
Regular price B2B price $504.87
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Read the important notes before ordering

Questions about fitment? Live chat or call 866-235-4715

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  • Free shippingMost orders $500+
  • 30-day returnsSee policy
  • Warranty supportWe work with the maker
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Questions about fitment?

Talk to a TRU specialist

We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT

Important notes before you order

  1. Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. This unit uses carrier bearing & race part numbers LM102949 & LM102911 for the 8.5" housing (2.891" Race OD) or LM603049 & LM603012 for the GM 8.6" housing (3.062" Race OD).

Specifications

BrandYukon Gear and Axle
Part numberYDGGM8.5-3-30-1
AssembledYes
Axle Shaft Spline Quantity30
Axle Typesemi Floating
Bolt Hole Quantity10
Case IncludedYes
Differential BrandGM
Gear Ratio2.73 and up
Heat TreatedYes
MaterialSteel

California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov

Features

  • Yukon Dura Grips feature 4320 chromoly spider gears for ultimate durability

Installation

    Free install support from the Trucks R Us tech team, for you or your shop.

    Overview

    Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains.

    Questions

    Will this fit my truck?

    Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.

    Do you help with installation?

    Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.

    What if the part has a problem?

    We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.

    Can I return it?

    Most items can be returned within 30 days. See our return policy for details.

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    About Yukon Gear and Axle

    Yukon Gear & Axle® provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring and pinions,... Shop all Yukon Gear and Axle