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Yukon Gear Master Overhaul Kit for GM 8.6in Rear Differential 1999-2008 is the exact Yukon Gear & Axle differential overhaul kits identified by manufacturer part number YK GM8.6-A. Match the part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, position, dimensions, and intended use before ordering.
Key Features
- The YK GM8.6-A includes Timken carrier bearings with races and Timken pinion bearings with races for industry-leading precision and durability.
- The YK GM8.6-A is designed for 1999 through 2008 GM 8.6-inch rear differentials.
- For 2009 and newer applications, use the YK GM8.6-B, which accommodates updated bearing specifications.
- The shim set in the YK GM8.6-A enables proper setup for both OEM and aftermarket gear ratios.
- The YK GM8.6-A covers 2002-2008 Chevrolet Trailblazer and 2002-2009 GMC Envoy models equipped with the GM 8.6-inch rear axle.
- Correct pinion depth, backlash, and bearing preload settings are critical.
Fitment
Verified catalog applications: 1999-2000 Cadillac Escalade, 1999-2000 Chevrolet C2500, 1999-2000 GMC C2500, 1999-2004 Chevrolet S10, 1999-2004 GMC Sonoma, 1999-2008 Chevrolet Silverado 1500, 1999-2008 Chevrolet Tahoe, 1999-2008 GMC Savana 1500, 1999-2008 GMC Sierra 1500, 1999-2008 GMC Yukon, 1999 Chevrolet C1500, 1999 Chevrolet C1500 Suburban, 1999 Chevrolet K1500, 1999 Chevrolet K1500 Suburban, 1999 GMC C1500, 1999 GMC C1500 Suburban, 1999 GMC K1500, 1999 GMC K1500 Suburban, 2000-2008 Chevrolet Suburban 1500, 2000-2008 GMC Yukon XL 1500, 2002-2006 Chevrolet Avalanche 1500, 2002-2008 Cadillac Escalade, 2002-2008 Chevrolet Trailblazer, 2002-2008 GMC Envoy, 2003-2006 Chevrolet SSR, 2003-2008 Chevrolet Express 1500, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2004-2008 Chevrolet Colorado, 2004-2008 GMC Canyon, 2005-2008 Saab 9-7x, 2006-2008 Hummer H3, 2007-2008 Chevrolet Avalanche. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.
| Years | Make | Model |
|---|---|---|
| 1999-2000 | Cadillac | Escalade |
| 1999-2000 | Chevrolet | C2500 |
| 1999-2000 | GMC | C2500 |
| 1999-2004 | Chevrolet | S10 |
| 1999-2004 | GMC | Sonoma |
| 1999-2008 | Chevrolet | Silverado 1500 |
| 1999-2008 | Chevrolet | Tahoe |
| 1999-2008 | GMC | Savana 1500 |
| 1999-2008 | GMC | Sierra 1500 |
| 1999-2008 | GMC | Yukon |
| 1999 | Chevrolet | C1500 |
| 1999 | Chevrolet | C1500 Suburban |
| 1999 | Chevrolet | K1500 |
| 1999 | Chevrolet | K1500 Suburban |
| 1999 | GMC | C1500 |
| 1999 | GMC | C1500 Suburban |
| 1999 | GMC | K1500 |
| 1999 | GMC | K1500 Suburban |
| 2000-2008 | Chevrolet | Suburban 1500 |
| 2000-2008 | GMC | Yukon XL 1500 |
| 2002-2006 | Chevrolet | Avalanche 1500 |
| 2002-2008 | Cadillac | Escalade |
| 2002-2008 | Chevrolet | Trailblazer |
| 2002-2008 | GMC | Envoy |
| 2003-2006 | Chevrolet | SSR |
| 2003-2008 | Chevrolet | Express 1500 |
| 2003-2008 | Isuzu | Ascender |
| 2004-2007 | Buick | Rainier |
| 2004-2008 | Chevrolet | Colorado |
| 2004-2008 | GMC | Canyon |
| 2005-2008 | Saab | 9-7x |
| 2006-2008 | Hummer | H3 |
| 2007-2008 | Chevrolet | Avalanche |
Specifications
| Brand | Yukon Gear & Axle |
|---|---|
| Manufacturer Part Number | YK GM8.6-A |
| SKU | YUKYK GM8.6-A |
| UPC | 883584140924 |
| Product Type | Differential Overhaul Kits |
| Fitment Type | Vehicle Specific |
| Catalog Status | Manufacturer Catalog Verified |
| Condition | New |
What's Included
One new Yukon Gear & Axle differential overhaul kits identified by manufacturer part number YK GM8.6-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 YK GM8.6-A fit my vehicle?
Verified catalog applications: 1999-2000 Cadillac Escalade, 1999-2000 Chevrolet C2500, 1999-2000 GMC C2500, 1999-2004 Chevrolet S10, 1999-2004 GMC Sonoma, 1999-2008 Chevrolet Silverado 1500, 1999-2008 Chevrolet Tahoe, 1999-2008 GMC Savana 1500, 1999-2008 GMC Sierra 1500, 1999-2008 GMC Yukon, 1999 Chevrolet C1500, 1999 Chevrolet C1500 Suburban, 1999 Chevrolet K1500, 1999 Chevrolet K1500 Suburban, 1999 GMC C1500, 1999 GMC C1500 Suburban, 1999 GMC K1500, 1999 GMC K1500 Suburban, 2000-2008 Chevrolet Suburban 1500, 2000-2008 GMC Yukon XL 1500, 2002-2006 Chevrolet Avalanche 1500, 2002-2008 Cadillac Escalade, 2002-2008 Chevrolet Trailblazer, 2002-2008 GMC Envoy, 2003-2006 Chevrolet SSR, 2003-2008 Chevrolet Express 1500, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2004-2008 Chevrolet Colorado, 2004-2008 GMC Canyon, 2005-2008 Saab 9-7x, 2006-2008 Hummer H3, 2007-2008 Chevrolet Avalanche. 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 YK GM8.6-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 YK GM8.6-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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