Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that’s engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Grizzly Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. It’s a serious piece of mechanical engineering for serious driving conditions.
Installation Instructions
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2002-2004	Chevrolet	Avalanche 2500	Base
2005-2006	Chevrolet	Avalanche 2500	LS
2005-2006	Chevrolet	Avalanche 2500	LT
1975-1981	Chevrolet	C20	Cheyenne
1981-1986	Chevrolet	C20	Custom
1975-1980	Chevrolet	C20	Custom Deluxe
1981	Chevrolet	C20	Deluxe
1975-1986	Chevrolet	C20	Scottsdale
1975-1986	Chevrolet	C20	Silverado
1970-1974	Chevrolet	C20 Pickup	Base
1969-1974	Chevrolet	C20 Suburban	Base
1981-1986	Chevrolet	C20 Suburban	Custom
1975-1980	Chevrolet	C20 Suburban	Custom Deluxe
1981	Chevrolet	C20 Suburban	Deluxe
1975-1980,1982,1984-1986	Chevrolet	C20 Suburban	Scottsdale
1975-1977,1979-1980,1982-1986	Chevrolet	C20 Suburban	Silverado
1994-1997,1999-2000	Chevrolet	C2500	Base
1988-1998	Chevrolet	C2500	Cheyenne
1999-2000	Chevrolet	C2500	LS
1988-1992	Chevrolet	C2500	Scottsdale
1988-1998	Chevrolet	C2500	Silverado
1994-1995,1998	Chevrolet	C2500	WT
1992-1999	Chevrolet	C2500 Suburban	Base
1995-1999	Chevrolet	C2500 Suburban	LS
1995-1997	Chevrolet	C2500 Suburban	LT
1992-1994	Chevrolet	C2500 Suburban	Silverado
1975-1981	Chevrolet	C30	Cheyenne
1981-1986	Chevrolet	C30	Custom
1975-1980	Chevrolet	C30	Custom Deluxe
1981	Chevrolet	C30	Deluxe
1975-1986	Chevrolet	C30	Scottsdale
1975-1986	Chevrolet	C30	Silverado
1973-1974	Chevrolet	C30 Pickup	Base
1994-1997,1999-2000	Chevrolet	C3500	Base
1988-1998	Chevrolet	C3500	Cheyenne
1999-2000	Chevrolet	C3500	LS
1988-1992	Chevrolet	C3500	Scottsdale
1988-1998	Chevrolet	C3500	Silverado
1996-2015	Chevrolet	Express 2500	Base
1996-2015	Chevrolet	Express 2500	LS
2006-2015	Chevrolet	Express 2500	LT
1996-2015	Chevrolet	Express 3500	Base
1996-2015	Chevrolet	Express 3500	LS
2006-2015	Chevrolet	Express 3500	LT
1983	Chevrolet	G10	Base
1981-1984,1987	Chevrolet	G10	Beauville
1981-1984,1986	Chevrolet	G10	Bonaventure
1981-1984	Chevrolet	G10	Chevy Van
1985	Chevrolet	G10	Sportvan
1975-1995	Chevrolet	G20	Beauville
1983-1984	Chevrolet	G20	Bonaventure
1975-1995	Chevrolet	G20	Chevy Van
1978-1981	Chevrolet	G20	Nomad
1975-1995	Chevrolet	G20	Sportvan
1973-1974	Chevrolet	G20 Van	Base
1973-1974	Chevrolet	G20 Van	Sportvan
1975-1996	Chevrolet	G30	Beauville
1983-1984	Chevrolet	G30	Bonaventure
1975-1996	Chevrolet	G30	Chevy Van
1975-1996	Chevrolet	G30	Hi-Cube
1975-1996	Chevrolet	G30	Sportvan
1973-1974	Chevrolet	G30 Van	Base
1973-1974	Chevrolet	G30 Van	Sportvan
1975-1981	Chevrolet	K20	Cheyenne
1981-1986	Chevrolet	K20	Custom
1975-1980	Chevrolet	K20	Custom Deluxe
1981	Chevrolet	K20	Deluxe
1975-1986	Chevrolet	K20	Scottsdale
1975-1983,1985-1986	Chevrolet	K20	Silverado
1966-1968,1970-1974	Chevrolet	K20 Pickup	Base
1969,1971-1974	Chevrolet	K20 Suburban	Base
1981-1986	Chevrolet	K20 Suburban	Custom
1975-1980	Chevrolet	K20 Suburban	Custom Deluxe
1981	Chevrolet	K20 Suburban	Deluxe
1975-1980,1982,1984-1986	Chevrolet	K20 Suburban	Scottsdale
1975-1977,1979-1980,1982-1983,1985-1986	Chevrolet	K20 Suburban	Silverado
1994-1997,1999-2000	Chevrolet	K2500	Base
1988-1998	Chevrolet	K2500	Cheyenne
1999-2000	Chevrolet	K2500	LS
1988-1992	Chevrolet	K2500	Scottsdale
1988-1998	Chevrolet	K2500	Silverado
1994-1995,1998	Chevrolet	K2500	WT
1992-1999	Chevrolet	K2500 Suburban	Base
1995-1999	Chevrolet	K2500 Suburban	LS
1995-1997	Chevrolet	K2500 Suburban	LT
1992-1994	Chevrolet	K2500 Suburban	Silverado
1977-1981	Chevrolet	K30	Cheyenne
1981-1986	Chevrolet	K30	Custom
1977-1980	Chevrolet	K30	Custom Deluxe
1981	Chevrolet	K30	Deluxe
1977-1986	Chevrolet	K30	Scottsdale
1977-1986	Chevrolet	K30	Silverado
1972-1974	Chevrolet	K30 Pickup	Base
1994-1997,1999-2000	Chevrolet	K3500	Base
1988-1998	Chevrolet	K3500	Cheyenne
1999-2000	Chevrolet	K3500	LS
1988-1992	Chevrolet	K3500	Scottsdale
1988-1998	Chevrolet	K3500	Silverado
1997-1999	Chevrolet	P30	Base
1988	Chevrolet	R20	Cheyenne
1987-1988	Chevrolet	R20	Custom Deluxe
1987-1988	Chevrolet	R20	Scottsdale
1987-1988	Chevrolet	R20	Silverado
1987	Chevrolet	R20 Suburban	Custom Deluxe
1987-1988	Chevrolet	R20 Suburban	Scottsdale
1987-1988	Chevrolet	R20 Suburban	Silverado
1989	Chevrolet	R2500	Cheyenne
1989	Chevrolet	R2500	Scottsdale
1989	Chevrolet	R2500	Silverado
1989-1991	Chevrolet	R2500 Suburban	Scottsdale
1989-1991	Chevrolet	R2500 Suburban	Silverado
1988	Chevrolet	R30	Cheyenne
1987-1988	Chevrolet	R30	Custom Deluxe
1987-1988	Chevrolet	R30	Scottsdale
1987-1988	Chevrolet	R30	Silverado
1989-1991	Chevrolet	R3500	Cheyenne
1989-1990	Chevrolet	R3500	Scottsdale
1989-1991	Chevrolet	R3500	Silverado
2005	Chevrolet	Silverado 1500 HD	Base
2001-2003,2005	Chevrolet	Silverado 1500 HD	LS
2001-2003,2005-2006	Chevrolet	Silverado 1500 HD	LT
2007	Chevrolet	Silverado 1500 HD Classic	LT
1999-2004	Chevrolet	Silverado 2500	Base
1999-2004	Chevrolet	Silverado 2500	LS
1999-2004	Chevrolet	Silverado 2500	LT
2004	Chevrolet	Silverado 2500	WT
2001-2005	Chevrolet	Silverado 2500 HD	Base
2015	Chevrolet	Silverado 2500 HD	High Country
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2015	Chevrolet	Silverado 2500 HD	LT
2007-2015	Chevrolet	Silverado 2500 HD	LTZ
2003-2015	Chevrolet	Silverado 2500 HD	WT
2007	Chevrolet	Silverado 2500 HD Classic	LS
2007	Chevrolet	Silverado 2500 HD Classic	LT
2007	Chevrolet	Silverado 2500 HD Classic	WT
2001-2005	Chevrolet	Silverado 3500	Base
2001-2005	Chevrolet	Silverado 3500	LS
2001-2006	Chevrolet	Silverado 3500	LT
2004	Chevrolet	Silverado 3500	WT
2007	Chevrolet	Silverado 3500 Classic	LS
2007	Chevrolet	Silverado 3500 Classic	LT
2007	Chevrolet	Silverado 3500 Classic	WT
2007-2013	Chevrolet	Silverado 3500 HD	LT
2007-2013	Chevrolet	Silverado 3500 HD	LTZ
2007-2013	Chevrolet	Silverado 3500 HD	WT
2000-2001	Chevrolet	Suburban 2500	Base
2000-2013	Chevrolet	Suburban 2500	LS
2000-2013	Chevrolet	Suburban 2500	LT
2007	Chevrolet	Suburban 2500	LTZ
1987	Chevrolet	V20	Custom Deluxe
1987	Chevrolet	V20	Scottsdale
1987	Chevrolet	V20	Silverado
1987	Chevrolet	V20 Suburban	Custom Deluxe
1987-1988	Chevrolet	V20 Suburban	Scottsdale
1987-1988	Chevrolet	V20 Suburban	Silverado
1989-1991	Chevrolet	V2500 Suburban	Scottsdale
1989-1991	Chevrolet	V2500 Suburban	Silverado
1988	Chevrolet	V30	Cheyenne
1987-1988	Chevrolet	V30	Custom Deluxe
1987-1988	Chevrolet	V30	Scottsdale
1987-1988	Chevrolet	V30	Silverado
1989-1991	Chevrolet	V3500	Cheyenne
1989-1990	Chevrolet	V3500	Scottsdale
1989-1991	Chevrolet	V3500	Silverado
1975-1978	GMC	C25	Base
1975-1978	GMC	C25	High Sierra
1975-1978	GMC	C25	Sierra Classic
1975-1978	GMC	C25	Sierra Grande
1975-1978	GMC	C25 Suburban	Base
1975-1978	GMC	C25 Suburban	High Sierra
1975-1978	GMC	C25 Suburban	Sierra Classic
1975-1978	GMC	C25 Suburban	Sierra Grande
1969-1974	GMC	C25/C2500 Pickup	Base
1969-1974	GMC	C25/C2500 Suburban	Base
1979-1986	GMC	C2500	Base
1979-1986	GMC	C2500	High Sierra
1988-1993	GMC	C2500	Sierra
1979-1986	GMC	C2500	Sierra Classic
1979-1982	GMC	C2500	Sierra Grande
1994-2000	GMC	C2500	Sierra SL
1988-2000	GMC	C2500	Sierra SLE
1994-2000	GMC	C2500	Sierra SLT
1988-1993	GMC	C2500	Sierra SLX
1979-1986,1992-1999	GMC	C2500 Suburban	Base
1979-1986	GMC	C2500 Suburban	High Sierra
1979-1986	GMC	C2500 Suburban	Sierra Classic
1979-1982	GMC	C2500 Suburban	Sierra Grande
1992-1999	GMC	C2500 Suburban	SLE
1995-1999	GMC	C2500 Suburban	SLT
1975-1978	GMC	C35	Base
1975-1978	GMC	C35	High Sierra
1975-1978	GMC	C35	Sierra Classic
1975-1978	GMC	C35	Sierra Grande
1973-1974	GMC	C35/C3500 Pickup	Base
1979-1986	GMC	C3500	Base
1979-1986	GMC	C3500	High Sierra
1988-1993	GMC	C3500	Sierra
1979-1986	GMC	C3500	Sierra Classic
1979-1982	GMC	C3500	Sierra Grande
1994-2000	GMC	C3500	Sierra SL