SKU: PK GM8.6-A | UPC: 883584130734
Yukon Gear PK GM8.6-A Pinion Install Kit for 08 & Down GM 8.6in Diff
Install Yukon Gear pinion gears with confidence using this complete pinion install kit designed for 2008 and earlier GM 8.6-inch 10-bolt differentials. Perfect for lower mileage trucks and SUVs where carrier bearings and races can be reused, it includes all essential components for precise setup. Vehicles like Chevy Silverado 1500, Tahoe, Suburban, GMC Sierra 1500, Yukon, Cadillac Escalade, and more receive exact-fit parts backed by Yukon’s application-specific research.
Key Features
- Timken Bearings & Races – Premium quality for smooth operation and long life
- High-Quality Pinion Seal – Prevents leaks and ensures reliable performance
- Complete Pinion Shim Kit – Allows precise backlash and preload adjustments
- Pinion Nut & Thread Locker – Secure installation with proper torque retention
- Marking Compound & Brush – Essential for gear pattern checks during setup
- Pilot Bearing & Crush Sleeve – Included where applicable for GM 8.6in applications
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Pinion Installation Kit |
| Compatibility | GM 8.6in (8.625in) 10-Bolt Differentials 2008 & Earlier |
| MPN | PK GM8.6-A |
| Axle Position | Rear |
| Weight | 1.8 lbs |
| Shipping Dimensions | 10in x 8in x 2in |
| Country of Origin | USA |
| Warranty | 1 Year Manufacturer |
Whats Included
- Pinion bearings and races (Timken)
- Pinion seal
- Complete pinion shim kit
- Pinion nut
- Thread locker
- Marking compound with brush
- Pilot bearing (if applicable)
- Crush sleeve (if applicable)
Product Notes
- Ideal for gear changes on vehicles with reusable carrier bearings
- Yukon researches each application for correct parts
- Professional installation recommended for optimal results
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2004-2007 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 1999-2000,2002-2008 | Cadillac | Escalade | Base |
| 2008 | Cadillac | Escalade | Platinum |
| 2003-2008 | Cadillac | Escalade ESV | Base |
| 2008 | Cadillac | Escalade ESV | Platinum |
| 2002-2008 | Cadillac | Escalade EXT | Base |
| 2007-2008 | Chevrolet | Avalanche | LS |
| 2007-2008 | Chevrolet | Avalanche | LT |
| 2007-2008 | Chevrolet | Avalanche | LTZ |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 1999,2005 | Chevrolet | Blazer | Base |
| 1999-2004 | Chevrolet | Blazer | LS |
| 1999-2001 | Chevrolet | Blazer | LT |
| 1999-2001 | Chevrolet | Blazer | Trailblazer |
| 2001-2005 | Chevrolet | Blazer | Xtreme |
| 2003-2005 | Chevrolet | Blazer | ZR2 |
| 1999 | Chevrolet | C1500 | LS |
| 1999 | Chevrolet | C1500 Suburban | Base |
| 1999 | Chevrolet | C1500 Suburban | LS |
| 1999 | Chevrolet | C1500 Suburban | LT |
| 1999-2000 | Chevrolet | C2500 | Base |
| 1999-2000 | Chevrolet | C2500 | LS |
| 2004 | Chevrolet | Colorado | Base |
| 2004,2006-2008 | Che |






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