SKU: YGLGM14T-30 | UPC: 883584280156
Yukon Gear Grizzly Locker For GM 10.5in 14 Bolt Truck w/ 30 Spline Axles
The Yukon Grizzly Locker is a mechanical positive-locking differential built for GM 10.5-inch 14-bolt trucks with 30 spline axles. It fits a wide range of Chevrolet and GMC 2500/3500 series trucks, Suburbans, and vans from 1967 to 2015 including Silverado, Sierra, Express, and Savana models. Engineered for rock crawling, trail running, off-road racing, and drag racing, it sends 100% power to both tires while allowing smooth turns.
Key Features
- Hardcore Construction: Heavy-duty casing and gears handle extreme abuse in demanding conditions.
- Advanced Gear Teeth: Patented design with larger radius at base provides 350% greater strength than back-cut styles.
- Shock-Load Resistance: Larger teeth prevent breakage from shock-loading or axle failures.
- Full Power Delivery: Locks both wheels for maximum traction on loose surfaces or steep inclines.
- Turn Disengagement: Automatically unlocks during turns for natural handling without binding.
Product Notes
- Direct replacement for stock GM 10.5in 14-bolt carrier with 30 spline axles.
- Requires compatible ring and pinion gears rated for 30 spline.
- Ships fully assembled ready for installation.
Installation Notes
- Professional installation recommended.
- Match locker to existing gear ratio and 30 spline axle shafts.
- Uses factory carrier bearings and shims. no special hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1974 | GMC | K25/K2500 Pickup | Base |
| 1973-1974 | GMC | C25/C2500 Pickup | Base |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1975-1986 | Chevrolet | K20 | Scottsdale |
| 1975-1986 | Chevrolet | K20 | Silverado |
| 1979-1986 | GMC | K2500 | Base |
| 1988-1998 | Chevrolet | C3500 | Silverado |
| 1988-1998 | Chevrolet | K2500 | Silverado |
| 1994-2000 | Chevrolet | C3500 | Base |
| 1994-2000 | GMC | K3500 | Sierra SLT |
| 1996-2015 | Chevrolet | Express 2500 | Base |
| 1996-2015 | Chevrolet | Express 3500 | Base |
| 1999-2004 | Chevrolet | Silverado 2500 | LS |
| 2001-2015 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2013 | Chevrolet | Silverado 3500 HD | LT |
| 1996-2015 | GMC | Savana 2500 | LS |
| 2001-2015 | GMC | Sierra 2500 HD | SLE |
Why Choose Yukon Gear?
- Proven leader in aftermarket differentials and lockers for over 30 years.
- Built with premium materials for long-lasting performance in harsh environments.
- Precision-machined components ensure reliable operation under high stress.
Frequently Asked Questions
-
Q: Will this fit my 1999 Chevrolet Silverado 2500 with 10.5in 14-bolt?
A: Yes, it fits 1994-2000 Chevrolet C/K2500/3500 series with 30 spline axles and GM 10.5in 14-bolt rear differential. -
Q: What material is used for the gears and housing?
A: High-strength steel gears and ductile iron housing for maximum durability and impact resistance. -
Q: Does it come with a warranty?
A: Backed by Yukon's limited lifetime warranty on manufacturing defects when installed properly.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 14in x 14in x 14in
- Weight: 28.5 lbs
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