USA Standard Gear ZK GM8.6 Master Overhaul Kit For The 99-08 GM 8.6in Diff
USA Standard Gear Master Overhaul Kits deliver all high-quality parts required to rebuild 1999-2008 GM 8.6-inch 10-bolt differentials found in popular trucks and SUVs. This kit fits Chevrolet Silverado 1500 Tahoe Suburban Avalanche GMC Sierra 1500 Yukon and dozens more models listed below. Koyo/Timken bearings races seals and small parts ensure precise fit and dependable performance for every differential service.
Key Features
- Premium Bearings – Koyo and Timken brand bearings and races built for strength and precision
- Leak-Proof Seals – High-quality pinion and axle seals to retain lubricants and exclude contaminants
- Full Component Set – Crush sleeve pinion nut shims ring gear bolts and minor repair kit included
- Application-Specific Design – Tailored for GM 8.6-inch corporate 10-bolt rear axles 1999-2008
- Complete Coverage – Every part needed from start to finish backed by extensive application research
- Professional Grade – Reliable components trusted for heavy-duty rebuilds in trucks and SUVs
Specifications
| Detail | Value |
|---|---|
| Brand | USA Standard Gear |
| Type | Master Differential Overhaul Kit |
| Compatibility | 1999-2008 GM 8.6-inch (corporate 10-bolt) rear differentials |
| MPN | ZK GM8.6 |
| Axle Position | Rear |
| Bearing Brands | Koyo/Timken |
| Country of Origin | United States |
| Warranty | Limited Manufacturer Warranty |
Whats Included
- Pinion head and tail bearings with races
- Carrier bearings with races
- Pinion seal
- Axle shaft seals
- Crush sleeve
- Pinion nut
- Select shims
- Ring gear bolts
- Pinion gear marking compound and brush
- Small parts kit
Product Notes
- Designed for semi-floating rear axles
- No core charge required
- Not a clearance or special order item
- Verify differential size before purchase
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 |
| 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 | 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 | Chevrolet | Colorado | LS |
| 2006-2008 | Chevrolet | Colorado | LT |
| 2004-2005 | Chevrolet | Colorado | Sport |
| 2004-2005 | Chevrolet | Colorado | Sport LS |
| 2006-2008 | Chevrolet | Colorado | WT |
| 2004-2005 | Chevrolet | Colorado | Z71 |
| 2004-2005 | Chevrolet | Colorado | Z71 LS |
| 2004-2005 | Chevrolet | Colorado | Z85 |
| 2004-2005 | Chevrolet | Colorado | Z85 LS |
| 2003-2008 | Chevrolet | Express 1500 | Base |
| 2003-2008 | Chevrolet | Express 1500 | LS |
| 2006-2008 | Chevrolet | Express 1500 | LT |
| 1999 | Chevrolet | K1500 | LS |
| 1999 | Chevrolet | K1500 Suburban | Base |
| 1999 | Chevrolet | K1500 Suburban | LS |
| 1999 | Chevrolet | K1500 Suburban | LT |
| 1999-2003 | Chevrolet | S10 | Base |
| 1999-2004 | Chevrolet | S10 | LS |
| 1999-2003 | Chevrolet | S10 | Xtreme |
| 1999-2003 | Chevrolet | S10 | ZR2 |
| 2002-2004 | Chevrolet | S10 | ZR5 |
| 1999-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2008 | Chevrolet | Silverado 1500 | LS |
| 1999-2008 | Chevrolet | Silverado 1500 | LT |
| 2007-2008 | Chevrolet | Silverado 1500 | LTZ |
| 2005-2006 | Chevrolet | Silverado 1500 | SS |
| 2002-2008 | Chevrolet | Silverado 1500 | WT |
| 2004 | Chevrolet | Silverado 1500 | Z71 |
| 2003-2006 | Chevrolet | SSR | Base |
| 2000-2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2000-2008 | Chevrolet | Suburban 1500 | LS |
| 2000-2008 | Chevrolet | Suburban 1500 | LT |
| 2007-2008 | Chevrolet | Suburban 1500 | LTZ |
| 2004-2007 | Chevrolet | Suburban 1500 | Z71 |
| 1999-2001,2006 | Chevrolet | Tahoe | Base |
| 2008 | Chevrolet | Tahoe | Hybrid |
| 2000 | Chevrolet | Tahoe | Limited |
| 1999-2008 | Chevrolet | Tahoe | LS |
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