Yukon Gear Pinion install Kit For 08 & Down GM 8.6in Diff is the exact Yukon Gear & Axle ring and pinion install kits identified by manufacturer part number PK 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
- Complete pinion install kit for 1999-2008 GM 8.6in rear differential
- Timken front and rear pinion bearings and races included
- New pinion seal prevents differential fluid leaks post-installation
- Crush sleeve included for proper pinion bearing preload setup
- Full pinion shim kit for precise depth adjustment
Fitment
Verified catalog applications: 1999-2000 Cadillac Escalade, 1999-2000 Chevrolet C2500, 1999-2000 GMC C2500, 1999-2004 Chevrolet S10, 1999-2004 GMC Sonoma, 1999-2005 Chevrolet Blazer, 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, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2003 GMC Sierra 1500 HD, 2002-2006 Chevrolet Avalanche 1500, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2002-2008 Cadillac Escalade, 2002-2008 Cadillac Escalade EXT, 2002-2008 Chevrolet Trailblazer, 2002-2008 GMC Envoy, 2003-2006 Chevrolet SSR, 2003-2008 Cadillac Escalade ESV, 2003-2008 Chevrolet Express 1500, 2003-2008 Isuzu Ascender, 2004-2005 GMC Envoy XUV, 2004-2007 Buick Rainier, 2004-2008 Chevrolet Colorado, 2004-2008 GMC Canyon, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2008 Saab 9-7x, 2006-2008 Hummer H3, 2007-2008 Chevrolet Avalanche, 2007 Chevrolet Silverado 1500 Classic, 2007 Chevrolet Silverado 1500 HD Classic, 2007 GMC Sierra 1500 Classic, 2007 GMC Sierra 1500 HD Classic. 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 |
| 1999-2005 | Chevrolet | Blazer |
| 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 |
| 2001-2003 | Chevrolet | Silverado 1500 HD |
| 2001-2003 | GMC | Sierra 1500 HD |
| 2002-2006 | Chevrolet | Avalanche 1500 |
| 2002-2006 | Chevrolet | Trailblazer EXT |
| 2002-2006 | GMC | Envoy XL |
| 2002-2008 | Cadillac | Escalade |
| 2002-2008 | Cadillac | Escalade EXT |
| 2002-2008 | Chevrolet | Trailblazer |
| 2002-2008 | GMC | Envoy |
| 2003-2006 | Chevrolet | SSR |
| 2003-2008 | Cadillac | Escalade ESV |
| 2003-2008 | Chevrolet | Express 1500 |
| 2003-2008 | Isuzu | Ascender |
| 2004-2005 | GMC | Envoy XUV |
| 2004-2007 | Buick | Rainier |
| 2004-2008 | Chevrolet | Colorado |
| 2004-2008 | GMC | Canyon |
| 2005-2006 | Chevrolet | Silverado 1500 HD |
| 2005-2006 | GMC | Sierra 1500 HD |
| 2005-2008 | Saab | 9-7x |
| 2006-2008 | Hummer | H3 |
| 2007-2008 | Chevrolet | Avalanche |
| 2007 | Chevrolet | Silverado 1500 Classic |
| 2007 | Chevrolet | Silverado 1500 HD Classic |
| 2007 | GMC | Sierra 1500 Classic |
| 2007 | GMC | Sierra 1500 HD Classic |
Specifications
| Brand | Yukon Gear & Axle |
|---|---|
| Manufacturer Part Number | PK GM8.6-A |
| SKU | YUKPK GM8.6-A |
| UPC | 883584130734 |
| Product Type | Ring and Pinion Install Kits |
| Fitment Type | Vehicle Specific |
| Catalog Status | Manufacturer Catalog Verified |
| Condition | New |
What's Included
One new Yukon Gear & Axle ring and pinion install kits identified by manufacturer part number PK 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.
Related Yukon Gear & Axle Products
- Shop all Yukon Gear & Axle products
- Yukon Gear 11.5in GM & Chrysler Pinion Nut
- Yukon Gear Dana 30 Side Gear Thrust Washer
- Yukon Gear GM Side Gear Spacer Sleeve For GM 9.25in IFS
Frequently Asked Questions
Will Yukon Gear & Axle PK 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, 1999-2005 Chevrolet Blazer, 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, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2003 GMC Sierra 1500 HD, 2002-2006 Chevrolet Avalanche 1500, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2002-2008 Cadillac Escalade, 2002-2008 Cadillac Escalade EXT, 2002-2008 Chevrolet Trailblazer, 2002-2008 GMC Envoy, 2003-2006 Chevrolet SSR, 2003-2008 Cadillac Escalade ESV, 2003-2008 Chevrolet Express 1500, 2003-2008 Isuzu Ascender, 2004-2005 GMC Envoy XUV, 2004-2007 Buick Rainier, 2004-2008 Chevrolet Colorado, 2004-2008 GMC Canyon, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2005-2008 Saab 9-7x, 2006-2008 Hummer H3, 2007-2008 Chevrolet Avalanche, 2007 Chevrolet Silverado 1500 Classic, 2007 Chevrolet Silverado 1500 HD Classic, 2007 GMC Sierra 1500 Classic, 2007 GMC Sierra 1500 HD Classic. 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 PK 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 PK 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.
Drivetrain
Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...
View Drivetrain Products
Ring & Pinion Components
Ring and Pinion Components ring and pinion components for Dana, Ford, GM, Chrysler and Jeep axles are stocked at Black Ops Auto Works. Shop gear sets, pinion install kits, pinion flanges, clutch packs, shims, bearings, seals and related differential service parts. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 54 collection SKUs across core parts, service components, fitment choices and performance applications. What This Ring and Pinion Components Collection Covers Browse application focused components that help complete a reliable build or repair. Product pages provide the key fitment and specification details needed to compare options. Gear Ratio Selection The right ratio depends on tire size, transmission gearing, intended use and engine powerband. A numerically higher ratio can improve acceleration while changing cruise rpm. Axle identification Confirm the axle family, spli...
View Ring & Pinion Components Products
Ring and Pinion
Ring and pinion install kits and differential setup parts are stocked at Black Ops Auto Works for Jeep Dana 44, Ford 8.8, GM 8.6 and 10.5, GM 12 bolt, Chrysler, Toyota, and truck axle projects. Shop pinion install kits, master kit hardware, bearings, shims, seals, spacers, thrust washers, and gear setup components. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 21 ring and pinion install kit SKUs across Jeep, Ford, GM, Chrysler, Toyota, and heavy duty truck differentials. What This Ring and Pinion Install Kits Collection Covers Differential setup hardware for correct gear installation Ring and pinion installation requires precise control of pinion depth, bearing preload, backlash, and gear contact pattern. This collection includes Yukon Gear pinion install kits and axle specific components, plus Ford Racing 8.8 installation kits. A kit is not a substitute for correct measuremen...
View Ring and Pinion Products
Yukon Gear & Axle
Shop Yukon Gear & Axle ring and pinion gears, axle shafts, locking differentials, limited-slip differentials, and installation kits at Black Ops Auto Works. Explore drivetrain components for compatible trucks, Jeeps, SUVs, muscle cars, and custom axle builds. From rebuilding a worn differential to changing gear ratios or upgrading traction, choose parts that match your exact axle configuration and intended use. Yukon Ring and Pinion Gear Sets This collection includes ring and pinion sets for multiple Dana, Ford, GM, Chrysler, Toyota, and Nissan axle applications. Compare available ratios for your specific housing, along with standard or reverse-rotation requirements, carrier compatibility, and installation notes. Select a ratio around tire diameter, transmission gearing, engine operating range, and driving requirements. A ratio that suits a trail-focused build may not suit a highway-driven vehicle. For four-wheel-drive applications, confirm the correct front and rear ratio pairi...
View Yukon Gear & Axle Products


