SKU: YPKGM8.6-S-30V2 / UPC: 883584160564
Yukon Gear YPKGM8.6-S-30V2 10 Bolt Open Spider Gear Set 00-06 GM 8.6″ 30 Spline
Replace worn spider gears in your GM 8.6-inch 10-bolt open differential with this Yukon Gear set designed for 2000-2006 models equipped with 30-spline axles. Engineered for trucks and SUVs like Chevrolet Silverado 1500, Tahoe, GMC Sierra 1500, and Yukon, it delivers smooth torque distribution and withstands heavy loads. Built to restore reliable differential performance during off-road use or towing.
Key Features
- 8620 Steel Construction – High-strength alloy resists wear under high torque.
- Heat Treated – Computer-controlled process for optimal hardness and ductility.
- Precision Machining – Ensures quiet operation and exact fit in 8.6″ carriers.
- 30 Spline Design – Matches upgraded axles for seamless integration.
- Complete Kit – Includes all gears, washers, and cross pin for full rebuild.
- USA Made – Crafted with rigorous quality standards.
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Open Spider Gear Set |
| Compatibility | 2000-2006 GM 8.6″ 10-bolt w/ 30 spline axles |
| Axle Diameter | 8.6 inches |
| Spline Count | 30 |
| Material | 8620 Steel |
| MPN | YPKGM8.6-S-30V2 |
| Carrier Casting | 7875, 1073 (1 large/1 small window) |
| Weight | 6 lbs |
| Shipping Dimensions | 12 x 12 x 6 inches |
| Country of Origin | USA |
| Warranty | Limited Lifetime |
Whats Included
- 2 Side Gears
- 2 Pinion Gears
- Cross Pin Shaft
- 4 Thrust Washers
Product Notes
- Fits carriers with one large window and one small window
- Compatible with casting numbers 7875 and 1073
- 1999 vehicles require new carrier case
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1999-2017 | Chevrolet | Silverado 1500 | LS, LT, WT, Hybrid, more |
| 1999-2017 | Chevrolet | Tahoe | LS, LT, LTZ, PPV, Z71 |
| 2007-2017 | Chevrolet | Avalanche | LS, LT, LTZ |
| 2000-2014 | Chevrolet | Suburban 1500 | LS, LT, LTZ, Z71 |
| 1999-2017 | GMC | Sierra 1500 | SLE, SLT, Denali, WT |
| 1999-2013 | GMC | Yukon | SLE, SLT, Denali, Hybrid |
| 2000-2014 | GMC | Yukon XL 1500 | SLE, SLT, Denali |
| 2002-2009 | Chevrolet | Trailblazer | LS, LT, SS |
| 2004-2012 | Chevrolet | Colorado | LS, LT, WT, Z71 |
| 2003-2014 | Chevrolet | Express 1500 | Base, LS, LT |
| 2004-2007 | Buick | Rainier | CXL, CXL Plus |
| 2009-2013 | Cadillac | Escalade | Base, Hybrid, Platinum |
| 1999-2014 | GMC | Savana 1500 | Base, LS, LT, SLE |
| 2006-2010 | Hummer | H3 | Base, Alpha, X |
Why Choose Yukon Gear?
- Proven durability in demanding GM differentials
- Exact OEM-style fit for quick rebuilds
- Handles high-horsepower builds reliably
- Trusted by off-road and towing enthusiasts
Frequently Asked Questions
- Q: Does this fit 1999 GM trucks?
- A: New carrier case needed for 1999 models.
- Q: What spline count is required?
- A: Designed for 30-spline axles only.
- Q: Is professional installation recommended?
- A: Yes, differential service requires tools and expertise.
Shipping & Handling
- Method: UPS Ground / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Sturdy box with protective padding





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