Yukon ZK GM9.5-A 9.5in 14-Bolt Rear Overhaul Kit for 1979-1997 GM Trucks/Vans

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Product Specification:

SKU:YUKZK GM9.5-A

MPN: ZK GM9.5-A

UPC: 883584370628

Weight: 8.2 lb

Inventory: 2

Type: Differential Overhaul Kits

Vehicle Fitment

1979-1997 Chevrolet/GMC C20/C2500 and K20/K2500 3/4-ton trucks (rear axle)
1988-1997 Chevrolet/GMC C10/C1500 and K10/K1500 1/2-ton trucks (rear axle)
1979-1997 Chevrolet/GMC Suburban 3/4-ton (rear axle)
1979-1995 Chevrolet G20 and 1979-1997 G30 full-size vans (rear axle)
1992-1995 GMC G35/G3500 full-size van (rear axle)
1996-1997 Chevrolet Express / GMC Savana 1500/2500 vans (rear axle)
1992-1997 GMC Yukon 1500/2500 (rear axle)

Fitment Notes

Fits the GM 9.5" 14-bolt semi-float rear axle only - not the visually similar 10.5" 14-bolt full-float axle used in some heavier-duty GM trucks of the same era
Identify by 12 ring gear bolts, 14 differential cover bolts, and no separate pinion support (confirm before ordering)

Features

Complete master overhaul kit for the 1979-1997 GM 9.5" semi-float rear differential
Built with Timken bearings and races
Includes a complete pinion shim kit for accurate gear setup
Includes thread locking compound and marking compound for a verifiable, correctly-torqued install
Bundles all major rebuild consumables into a single kit
Manufactured by USA Standard Gear
Suited for standard rebuilds, gear ratio changes, or limited-slip/locker installations
Covers carrier through pinion in one part number, reducing separate-parts sourcing

Specifications

Differential: GM 9.5" 14-bolt semi-float rear
Ring gear bolts: 12
Cover bolts: 14
Bearing brand: Timken
Weight: 8.2 lbs

Included Components

1x Carrier bearing & race set
1x Pinion bearing & race set
1x Pinion seal
1x Complete pinion shim kit
1x Ring gear bolt set
1x Pinion nut
1x Crush sleeve
1x Oil baffle & slinger set
1x Thread locking compound
1x Marking compound with brush
1x Gasket

Product Description

The Yukon ZK GM9.5-A is a complete master overhaul kit for the 1979-1997 GM 9.5" semi-float rear differential, found across a wide range of Chevrolet and GMC 1/2-ton through 1-ton trucks, Suburbans, and full-size vans of that era. Instead of piecing together bearings, seals, shims, and hardware separately, this kit puts everything needed for a full rear differential rebuild into one part number - carrier and pinion bearings and races, pinion seal, a complete shim kit, crush sleeve, and the fasteners and sealants needed for a clean reassembly.

Built with Timken bearings and races, this kit restores proper bearing preload and gear backlash after normal wear, or after installing new gears, a limited-slip unit, or a locker. Because GM used more than one 14-bolt rear axle design during this period, correctly identifying your differential as the 9.5" semi-float unit - rather than the similar-looking 10.5" full-float axle - is the key step before ordering.

This is a rebuild-support kit rather than a ring-and-pinion set, so it's designed to be paired with your existing gears during a straight overhaul, or with a new gear set when changing ratio. Installation involves full disassembly of the rear differential and requires proper backlash and preload setup, so it's best handled by an experienced DIY installer or a differential shop.