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Yukon Gear Grizzly Locker For GM 8.5in & 8.6in / 30 Spline / 2.73+ is the exact Yukon Gear & Axle differentials identified by manufacturer part number YGLGM8.5-3-30. Match the part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, position, dimensions, and intended use before ordering.
Key Features
- The GM 8.5 inch and 8.6 inch 10-bolt axles are commonly found in 1999 and newer Silverado 1500, Sierra 1500, Tahoe, Yukon, and Suburban trucks.
- The 8.6 inch replaced the 8.5 inch around 1999.
- This Grizzly Locker requires a 2.73 or numerically higher ratio in the GM 8.5 or 8.6 inch housing.
- Note shim positions and thickness.
- Adjust backlash to 0.005 to 0.009 inch using shims.
- The Grizzly Locker locks both rear wheels together under throttle torque and releases smoothly when power is lifted during turns, providing maximum traction across a wide variety of street and off-road applications.
Fitment
Verified catalog applications: 1980-1981 Chevrolet Camaro, 1980-1983 Chevrolet Malibu, 1980-1985 Chevrolet Impala, 1980-1985 GMC K1500 Suburban, 1980-1986 Chevrolet C10, 1980-1986 Chevrolet C10 Suburban, 1980-1986 Chevrolet K10, 1980-1986 Chevrolet K10 Suburban, 1980-1986 Chevrolet K20, 1980-1986 Chevrolet K20 Suburban, 1980-1986 Chevrolet K5 Blazer, 1980-1986 GMC C1500, 1980-1986 GMC C1500 Suburban, 1980-1986 GMC K1500, 1980-1986 GMC K2500, 1980-1986 GMC K2500 Suburban, 1980-1987 Buick Regal, 1980-1988 Chevrolet Monte Carlo, 1980-1989 Buick Electra, 1980-1995 Chevrolet G10, 1980-1995 Chevrolet G20, 1980-1995 GMC G1500, 1980-1995 GMC G2500, 1980-1996 Chevrolet Caprice, 1987-1988 Chevrolet R10 Suburban, 1987-1988 Chevrolet Suburban, 1987-1988 Chevrolet V10 Suburban, 1987-1988 Chevrolet V20 Suburban, 1987-1991 GMC R1500 Suburban, 1987-1994 Chevrolet Blazer, 1987 Chevrolet R10, 1987 Chevrolet V10, 1987 Chevrolet V20, 1987 GMC R1500, 1988-1999 Chevrolet C1500, 1988-1999 Chevrolet K1500, 1988-1999 GMC C1500, 1988-1999 GMC K1500, 1989-1991 Chevrolet R1500 Suburban, 1989-1991 Chevrolet V1500 Suburban, 1989-1991 Chevrolet V2500 Suburban, 1989-2000 Chevrolet C2500, 1992-1999 Chevrolet C1500 Suburban, 1992-1999 Chevrolet K1500 Suburban, 1992-1999 GMC C1500 Suburban, 1992-1999 GMC K1500 Suburban, 1994-1996 Chevrolet Impala, 1994-2004 Chevrolet S10, 1995-1996 Chevrolet Monte Carlo, 1995-2017 Chevrolet Tahoe, 1996-2014 Chevrolet Express 1500, 1996-2014 GMC Savana 1500, 1997-2000 GMC C2500, 1999-2000 Cadillac Escalade, 1999-2017 Chevrolet Silverado 1500, 2000-2014 Chevrolet Suburban 1500, 2002-2006 Chevrolet Avalanche 1500, 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2002-2013 Cadillac Escalade, 2003-2006 Chevrolet SSR, 2004-2007 Buick Rainier, 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2007-2013 Chevrolet Avalanche. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.
| Years | Make | Model |
|---|---|---|
| 1980-1981 | Chevrolet | Camaro |
| 1980-1983 | Chevrolet | Malibu |
| 1980-1985 | Chevrolet | Impala |
| 1980-1985 | GMC | K1500 Suburban |
| 1980-1986 | Chevrolet | C10 |
| 1980-1986 | Chevrolet | C10 Suburban |
| 1980-1986 | Chevrolet | K10 |
| 1980-1986 | Chevrolet | K10 Suburban |
| 1980-1986 | Chevrolet | K20 |
| 1980-1986 | Chevrolet | K20 Suburban |
| 1980-1986 | Chevrolet | K5 Blazer |
| 1980-1986 | GMC | C1500 |
| 1980-1986 | GMC | C1500 Suburban |
| 1980-1986 | GMC | K1500 |
| 1980-1986 | GMC | K2500 |
| 1980-1986 | GMC | K2500 Suburban |
| 1980-1987 | Buick | Regal |
| 1980-1988 | Chevrolet | Monte Carlo |
| 1980-1989 | Buick | Electra |
| 1980-1995 | Chevrolet | G10 |
| 1980-1995 | Chevrolet | G20 |
| 1980-1995 | GMC | G1500 |
| 1980-1995 | GMC | G2500 |
| 1980-1996 | Chevrolet | Caprice |
| 1987-1988 | Chevrolet | R10 Suburban |
| 1987-1988 | Chevrolet | Suburban |
| 1987-1988 | Chevrolet | V10 Suburban |
| 1987-1988 | Chevrolet | V20 Suburban |
| 1987-1991 | GMC | R1500 Suburban |
| 1987-1994 | Chevrolet | Blazer |
| 1987 | Chevrolet | R10 |
| 1987 | Chevrolet | V10 |
| 1987 | Chevrolet | V20 |
| 1987 | GMC | R1500 |
| 1988-1999 | Chevrolet | C1500 |
| 1988-1999 | Chevrolet | K1500 |
| 1988-1999 | GMC | C1500 |
| 1988-1999 | GMC | K1500 |
| 1989-1991 | Chevrolet | R1500 Suburban |
| 1989-1991 | Chevrolet | V1500 Suburban |
| 1989-1991 | Chevrolet | V2500 Suburban |
| 1989-2000 | Chevrolet | C2500 |
| 1992-1999 | Chevrolet | C1500 Suburban |
| 1992-1999 | Chevrolet | K1500 Suburban |
| 1992-1999 | GMC | C1500 Suburban |
| 1992-1999 | GMC | K1500 Suburban |
| 1994-1996 | Chevrolet | Impala |
| 1994-2004 | Chevrolet | S10 |
| 1995-1996 | Chevrolet | Monte Carlo |
| 1995-2017 | Chevrolet | Tahoe |
| 1996-2014 | Chevrolet | Express 1500 |
| 1996-2014 | GMC | Savana 1500 |
| 1997-2000 | GMC | C2500 |
| 1999-2000 | Cadillac | Escalade |
| 1999-2017 | Chevrolet | Silverado 1500 |
| 2000-2014 | Chevrolet | Suburban 1500 |
| 2002-2006 | Chevrolet | Avalanche 1500 |
| 2002-2009 | Chevrolet | Trailblazer |
| 2002-2009 | GMC | Envoy |
| 2002-2013 | Cadillac | Escalade |
| 2003-2006 | Chevrolet | SSR |
| 2004-2007 | Buick | Rainier |
| 2004-2012 | Chevrolet | Colorado |
| 2004-2012 | GMC | Canyon |
| 2007-2013 | Chevrolet | Avalanche |
Specifications
| Brand | Yukon Gear & Axle |
|---|---|
| Manufacturer Part Number | YGLGM8.5-3-30 |
| SKU | YUKYGLGM8.5-3-30 |
| UPC | 883584280354 |
| Product Type | Differentials |
| Fitment Type | Vehicle Specific |
| Catalog Status | Manufacturer Catalog Verified |
| Condition | New |
What's Included
One new Yukon Gear & Axle differentials identified by manufacturer part number YGLGM8.5-3-30, plus only the bearings, seals, shims, fasteners, and hardware expressly supplied for this exact part number.
About Yukon Gear & Axle
Yukon Gear & Axle develops ring and pinion sets, axles, differentials, bearings, seals, installation kits, and drivetrain service components for street, towing, off-road, and performance applications.
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Frequently Asked Questions
Will Yukon Gear & Axle YGLGM8.5-3-30 fit my vehicle?
Verified catalog applications: 1980-1981 Chevrolet Camaro, 1980-1983 Chevrolet Malibu, 1980-1985 Chevrolet Impala, 1980-1985 GMC K1500 Suburban, 1980-1986 Chevrolet C10, 1980-1986 Chevrolet C10 Suburban, 1980-1986 Chevrolet K10, 1980-1986 Chevrolet K10 Suburban, 1980-1986 Chevrolet K20, 1980-1986 Chevrolet K20 Suburban, 1980-1986 Chevrolet K5 Blazer, 1980-1986 GMC C1500, 1980-1986 GMC C1500 Suburban, 1980-1986 GMC K1500, 1980-1986 GMC K2500, 1980-1986 GMC K2500 Suburban, 1980-1987 Buick Regal, 1980-1988 Chevrolet Monte Carlo, 1980-1989 Buick Electra, 1980-1995 Chevrolet G10, 1980-1995 Chevrolet G20, 1980-1995 GMC G1500, 1980-1995 GMC G2500, 1980-1996 Chevrolet Caprice, 1987-1988 Chevrolet R10 Suburban, 1987-1988 Chevrolet Suburban, 1987-1988 Chevrolet V10 Suburban, 1987-1988 Chevrolet V20 Suburban, 1987-1991 GMC R1500 Suburban, 1987-1994 Chevrolet Blazer, 1987 Chevrolet R10, 1987 Chevrolet V10, 1987 Chevrolet V20, 1987 GMC R1500, 1988-1999 Chevrolet C1500, 1988-1999 Chevrolet K1500, 1988-1999 GMC C1500, 1988-1999 GMC K1500, 1989-1991 Chevrolet R1500 Suburban, 1989-1991 Chevrolet V1500 Suburban, 1989-1991 Chevrolet V2500 Suburban, 1989-2000 Chevrolet C2500, 1992-1999 Chevrolet C1500 Suburban, 1992-1999 Chevrolet K1500 Suburban, 1992-1999 GMC C1500 Suburban, 1992-1999 GMC K1500 Suburban, 1994-1996 Chevrolet Impala, 1994-2004 Chevrolet S10, 1995-1996 Chevrolet Monte Carlo, 1995-2017 Chevrolet Tahoe, 1996-2014 Chevrolet Express 1500, 1996-2014 GMC Savana 1500, 1997-2000 GMC C2500, 1999-2000 Cadillac Escalade, 1999-2017 Chevrolet Silverado 1500, 2000-2014 Chevrolet Suburban 1500, 2002-2006 Chevrolet Avalanche 1500, 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2002-2013 Cadillac Escalade, 2003-2006 Chevrolet SSR, 2004-2007 Buick Rainier, 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2007-2013 Chevrolet Avalanche. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.
What should I verify before ordering?
Verify the exact part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, bearing dimensions, position, intended use, and manufacturer exclusions.
What is included?
The package contains only the Yukon Gear & Axle components and hardware specified for part number YGLGM8.5-3-30. Related bearings, seals, fluids, tools, and service parts are sold separately unless expressly listed.
Installation
Follow Yukon Gear & Axle's current instructions for part number YGLGM8.5-3-30. Confirm all measurements and clearances, inspect mating components, set bearing preload and gear backlash where applicable, verify contact pattern, use specified lubricants and torque values, and have precision differential work completed by a qualified drivetrain technician.
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