Yukon 30-Spline GM 14-Bolt Grizzly Locker
SKU: YGLGM14T-30
The Yukon Grizzly Locker is the ultimate mechanical locking differential, engineered to deliver uncompromising traction and durability for street, off-road, and drag racing applications. Designed to fit the GM 10.5" 14 Bolt truck differential, this locker provides 100% power to both tires for maximum traction in demanding conditions, while still allowing smooth disengagement when cornering.
Includes:
- 1- Yukon GM 14-Bolt, 30-Spline Grizzly Locker
- Fully assembled, ready for installation
- Detailed manufacturer warranty and instructions
Specifications
- Brand: Yukon Gear & Axle
- Axle Type: GM 10.5 14 Bolt Truck Differential
- Spline Count: 30
- Material: 8620 Heat-Treated Steel Internals
- Design: Patented internal system minimizes common locker failures
- Carrier Type: Installs into standard open carrier
- Cover Bolts: 14
- Assembled In: USA
Fitment
- Fits GM 14 Bolt (10.5) truck axles
- Compatible with 30 spline axle shafts
- Commonly found in GM 2500/3500 series trucks
| Year | Make | Model |
|---|---|---|
| 2002 - 2006 | Chevrolet | Avalanche 2500 |
| 2002 - 2003 | Chevrolet | Avalanche 2500 |
| 1975 - 1983, 1986 | Chevrolet | C20 |
| 1984 - 1985 | Chevrolet | C20 |
| 1973 - 1974 | Chevrolet | C20 Pickup |
| 1973 - 1974 | Chevrolet | C20 Suburban |
| 1984 - 1985 | Chevrolet | C20 Suburban |
| 1975 - 1983, 1986 | Chevrolet | C20 Suburban |
| 1988, 1999 - 2000 | Chevrolet | C2500 |
| 1992 - 1998 | Chevrolet | C2500 Suburban |
| 1999 | Chevrolet | C2500 Suburban |
| 1984 - 1985 | Chevrolet | C30 |
| 1975 - 1983, 1986 | Chevrolet | C30 |
| 1973 - 1974 | Chevrolet | C30 Pickup |
| 1988 | Chevrolet | C3500 |
| 1989 - 1998 | Chevrolet | C3500 |
| 1999 - 2000 | Chevrolet | C3500 |
| 1991 - 2002 | Chevrolet | C3500HD |
| 2003 - 2005 | Chevrolet | Express 2500 |
| 1999 - 2015 | Chevrolet | Express 2500 |
| 1996 - 1998 | Chevrolet | Express 2500 |
| 1996 - 1998 | Chevrolet | Express 3500 |
| 1999 - 2015 | Chevrolet | Express 3500 |
| 2009 - 2015 | Chevrolet | Express 4500 |
| 1984 - 1985 | Chevrolet | G20 |
| 1975 - 1983, 1986 - 1988 | Chevrolet | G20 |
| 1989 - 1995 | Chevrolet | G20 |
| 1984 - 1985 | Chevrolet | G30 |
| 1979 - 1983, 1986 - 1988 | Chevrolet | G30 |
| 1989 - 1996 | Chevrolet | G30 |
| 1975 - 1976 | Chevrolet | K20 |
| 1984 - 1985 | Chevrolet | K20 |
| 1977 - 1983, 1986 | Chevrolet | K20 |
| 1973 - 1974 | Chevrolet | K20 Pickup |
| 1973 - 1974 | Chevrolet | K20 Suburban |
| 1975 - 1986 | Chevrolet | K20 Suburban |
| 1988, 1999 - 2000 | Chevrolet | K2500 |
| 1989 - 1998 | Chevrolet | K2500 |
| 1992 - 1998 | Chevrolet | K2500 Suburban |
| 1999 | Chevrolet | K2500 Suburban |
| 1984 - 1985 | Chevrolet | K30 |
| 1977 - 1983, 1986 | Chevrolet | K30 |
| 1972 - 1974 | Chevrolet | K30 Pickup |
| 1988, 1999 - 2000 | Chevrolet | K3500 |
| 1989 - 1998 | Chevrolet | K3500 |
| 1997 - 1998 | Chevrolet | P30 |
| 1999 | Chevrolet | P30 |
| 1987 - 1988 | Chevrolet | R20 |
| 1987 - 1988 | Chevrolet | R20 Suburban |
| 1989 - 1991 | Chevrolet | R2500 Suburban |
| 1987 - 1988 | Chevrolet | R30 |
| 1999 - 2004 | Chevrolet | Silverado 2500 |
| 1999 - 2004 | Chevrolet | Silverado 2500 |
| 2001 - 2015 | Chevrolet | Silverado 2500 HD |
| 2001 - 2015 | Chevrolet | Silverado 2500 HD |
| 2007 | Chevrolet | Silverado 2500 HD Classic |
| 2007 | Chevrolet | Silverado 2500 HD Classic |
| 2007 - 2013 | Chevrolet | Silverado 3500 HD |
| 2000 - 2013 | Chevrolet | Suburban 2500 |
| 2000 - 2013 | Chevrolet | Suburban 2500 |
| 1987 | Chevrolet | V20 |
| 1987 - 1988 | Chevrolet | V20 Suburban |
| 1989 - 1991 | Chevrolet | V2500 Suburban |
| 1987 - 1988 | Chevrolet | V30 |
| 1975 - 1978 | GMC | C25 |
| 1975 - 1978 | GMC | C25 Suburban |
| 1973 - 1974 | GMC | C25/C2500 Pickup |
| 1973 - 1974 | GMC | C25/C2500 Suburban |
| 1984 - 1985, 1999 - 2000 | GMC | C2500 |
| 1979 - 1983, 1986 | GMC | C2500 |
| 1989 - 1998 | GMC | C2500 |
| 1984 - 1985 | GMC | C2500 Suburban |
| 1979 - 1983, 1986 | GMC | C2500 Suburban |
| 1992 - 1998 | GMC | C2500 Suburban |
| 1999 | GMC | C2500 Suburban |
| 1975 - 1978 | GMC | C35 |
| 1973 - 1974 | GMC | C35/C3500 Pickup |
| 1988, 1999 - 2000 | GMC | C3500 |
| 1984 - 1985 | GMC | C3500 |
| 1979 - 1983, 1986 | GMC | C3500 |
| 1989 - 1998 | GMC | C3500 |
| 2001 - 2002 | GMC | C3500HD |
| 1984 - 1985 | GMC | G1500 |
| 1981 - 1983, 1986 - 1987 | GMC | G1500 |
| 1979 - 1996 | GMC | G3500 |
| 1975 - 1978 | GMC | K25 |
| 1975 - 1978 | GMC | K25 Suburban |
| 1967 - 1974 | GMC | K25/K2500 Pickup |
| 1973 - 1974 | GMC | K25/K2500 Suburban |
| 1988, 1999 - 2000 | GMC | K2500 |
| 1984 - 1985 | GMC | K2500 |
| 1979 - 1983, 1986 | GMC | K2500 |
| 1989 - 1998 | GMC | K2500 |
| 1979 - 1986 | GMC | K2500 Suburban |
| 1992 - 1998 | GMC | K2500 Suburban |
| 1999 | GMC | K2500 Suburban |
| 1977 - 1978 | GMC | K35 |
| 1984 - 1985, 1999 - 2000 | GMC | K3500 |
| 1979 - 1983, 1986, 1988 | GMC | K3500 |
| 1989 - 1998 | GMC | K3500 |
| 1997 - 1998 | GMC | P3500 |
| 1999 | GMC | P3500 |
| 1987 | GMC | R2500 |
| 1989 - 1991 | GMC | R2500 Suburban |
| 1987 - 1988 | GMC | R2500 Suburban |
| 1987 | GMC | R3500 |
| 1999 - 2015 | GMC | Savana 2500 |
| 1996 - 1998 | GMC | Savana 2500 |
| 1996 - 1998 | GMC | Savana 3500 |
| 1999 - 2015 | GMC | Savana 3500 |
| 2009 - 2015 | GMC | Savana 4500 |
| 1999 - 2004 | GMC | Sierra 2500 |
| 1999 - 2004 | GMC | Sierra 2500 |
| 2001 - 2015 | GMC | Sierra 2500 HD |
| 2001 - 2015 | GMC | Sierra 2500 HD |
| 2007 | GMC | Sierra 2500 HD Classic |
| 2007 | GMC | Sierra 2500 HD Classic |
| 1987 | GMC | V2500 |
| 1987 - 1988 | GMC | V2500 Suburban |
| 1989 - 1991 | GMC | V2500 Suburban |
| 1987 | GMC | V3500 |
| 2015 | GMC | Yukon XL |
| 2000 - 2003 | GMC | Yukon XL 2500 |
| 2004 - 2013 | GMC | Yukon XL 2500 |
| 2000 | GMC | Yukon XL 2500 |
Tech Insight
The Yukon Grizzly Locker is trusted by off-road enthusiasts and racers alike for its uncompromising strength and reliability. Built with 8620 steel internals and a patented mechanical locking design, it ensures full traction when needed without the drawbacks of manual engagement systems. Whether you’re tackling rock climbs, mud trails, or the drag strip, the Grizzly delivers smooth, automatic operation with the toughness to handle extreme torque loads.
Notes: This unit installs into a bare factory open case. This unit does NOT use the factory thrust washers. Failure to remove the factory thrust washers will cause the unit to act improperly and can cause damage to the unit.