Yukon Gear & Axle USA Standard Pinion installation Kit For 99-08 GM 8.6in is the exact Yukon Gear & Axle differential install kits identified by manufacturer part number ZPKGM8.6-A. Match the part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, position, dimensions, and intended use before ordering.
Key Features
- Pinion installation kit for GM 8.6-inch (also referred to as 8.5-inch) rear differential
- Includes premium Koyo/Timken pinion bearings, races, seal, and small parts
- Ideal for lower-mileage rebuilds where carrier bearings are serviceable
- All parts pre-selected to match GM 8.6-inch dimensional specifications
- Part number YUKZPKGM8.6-A / ZPKGM8.6-A eliminates guesswork on part selection
Fitment
Verified catalog applications: 1999-2008 Chevrolet Silverado 1500, 1999-2008 GMC Sierra 1500. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.
| Years | Make | Model |
|---|---|---|
| 1999-2008 | Chevrolet | Silverado 1500 |
| 1999-2008 | GMC | Sierra 1500 |
Specifications
| Brand | Yukon Gear & Axle |
|---|---|
| Manufacturer Part Number | ZPKGM8.6-A |
| SKU | YUKZPKGM8.6-A |
| UPC | 883584600145 |
| Product Type | Differential Install Kits |
| Fitment Type | Vehicle Specific |
| Catalog Status | Manufacturer Verification Required |
| Condition | New |
What's Included
One new Yukon Gear & Axle differential install kits identified by manufacturer part number ZPKGM8.6-A, plus only the bearings, seals, shims, fasteners, and hardware expressly supplied for this exact part number.
About Yukon Gear & Axle
Yukon Gear & Axle develops ring and pinion sets, axles, differentials, bearings, seals, installation kits, and drivetrain service components for street, towing, off-road, and performance applications.
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Frequently Asked Questions
Will Yukon Gear & Axle ZPKGM8.6-A fit my vehicle?
Verified catalog applications: 1999-2008 Chevrolet Silverado 1500, 1999-2008 GMC Sierra 1500. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.
What should I verify before ordering?
Verify the exact part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, bearing dimensions, position, intended use, and manufacturer exclusions.
What is included?
The package contains only the Yukon Gear & Axle components and hardware specified for part number ZPKGM8.6-A. Related bearings, seals, fluids, tools, and service parts are sold separately unless expressly listed.
Installation
Follow Yukon Gear & Axle's current instructions for part number ZPKGM8.6-A. Confirm all measurements and clearances, inspect mating components, set bearing preload and gear backlash where applicable, verify contact pattern, use specified lubricants and torque values, and have precision differential work completed by a qualified drivetrain technician.
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