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SKU: YP C5-GM8.5-KIT | UPC: 883584323679
Yukon Gear Rear Differential Cover Kit for 1988-2006 GM 8.5/8.6in 10-Bolt
This Yukon Gear kit upgrades the rear differential on GM vehicles with 8.5-inch or 8.6-inch 10-bolt axles. It fits 1988-2006 Chevrolet and GMC trucks and SUVs including Silverado Sierra C/K series Tahoe Yukon. The cast aluminum cover adds strength heat dissipation and extra gear oil capacity for reliable performance during towing off-road use or daily driving.
Key Features
- Cast Aluminum Construction: Provides durability and efficient heat transfer to keep differential temperatures low under heavy loads
- Ribbed Design: Holds more gear oil for improved lubrication and cooling during extended operation
- Magnetic Fill Plug: Traps ferrous metal particles from wear to protect gears and bearings longer
- Complete Hardware Kit: Includes cover gasket cover bolts and fill plug for straightforward replacement
- Precise Dimensions: 9.75 inches wide center-to-center on side bolt holes ensures bolt-on fit for GM 8.5/8.6in housings
Product Notes
- Verify rear axle is GM 8.5in or 8.6in 10-bolt before purchase
- Not compatible with Trailblazer Envoy Rainier or Bravada models using 10.25in wide covers
- Cover adds 1-2 quarts extra oil capacity depending on housing
Installation Notes
- Professional installation recommended.
- Drain fluid clean mating surfaces apply gasket maker to gasket before assembly
- Use provided bolts torque to 25 ft-lbs in crisscross pattern
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1998 | Chevrolet | C1500 Pickup | 2WD/4WD |
| 1988-1998 | Chevrolet | C2500 Pickup | 2WD/4WD |
| 1988-1998 | Chevrolet | C3500 Pickup | 2WD/4WD |
| 1988-1998 | Chevrolet | K1500 Pickup | 4WD |
| 1988-1998 | Chevrolet | K2500 Pickup | 4WD |
| 1988-1998 | Chevrolet | K3500 Pickup | 4WD |
| 1999-2006 | Chevrolet | Silverado 1500 | RWD/4WD |
| 1995-2000 | Chevrolet | Tahoe | All |
| 1992-1999 | Chevrolet | Suburban C1500 | All |
| 1988-1998 | GMC | C1500 Pickup | 2WD/4WD |
| 1988-1998 | GMC | C2500 Pickup | 2WD/4WD |
| 1988-1998 | GMC | C3500 Pickup | 2WD/4WD |
| 1999-2006 | GMC | Sierra 1500 | RWD/4WD |
| 1992-2000 | GMC | Yukon | All |
| 1992-1999 | GMC | Suburban C1500 | All |
Why Choose Yukon Gear?
- Trusted brand with decades of experience building driveline components for trucks and off-road vehicles
- Components engineered and tested for high-stress conditions like towing and drag racing
- Direct bolt-on design using OEM mounting points for easy upgrades
Frequently Asked Questions
-
Q: Will this fit my 2002 Silverado 1500 with 8.5in rear?
A: Yes it bolts directly to GM 8.5in or 8.6in 10-bolt differentials in 1988-2006 Silverado models excluding any aftermarket or oversized housings -
Q: What material is the cover made from?
A: High-strength cast aluminum that resists cracking while transferring heat away from the oil -
Q: What warranty comes with this kit?
A: Yukon Gear offers a limited warranty against defects contact Yukon customer service for details
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 14 x 14 x 5 inches
- Weight: 7.8 lbs
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