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  See more parts for Chevrolet Blazer
Select the year of your Chevrolet Blazer:
ARB Air Locker Gm 10 Bolt 8.5 Inch 28 Spline 2.73 & Up - RD221
Air locker locking differentials allow you to tackle the toughest terrain. The world's premier traction aid, ARB air lockers keep you moving in all conditions.

A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.

Please note: Not all units are supplied with replacement carrier bearings.Required Parts:

These parts are required for installing this product on your vehicle.

  • CKSA12 air compressor (extremely compact, operates up to 2 air lockers, not intended for oversized tire inflation) or 
  • CKMA12 air compressor (compact, operates up to 2 air lockers and will inflate tires when paired with a 171302) or
  • CKMTA12 air compressor (still compact, operates up to 2 air lockers when paired with 171503, will inflate tires AND run air tools when paired with a 171302 and will run even faster when paired with 171501air tank)
Optional Parts:These parts are not required for installing this product on your vehicle.

  • ALSB1 - bracket for mounting a single rocker switch. Manufactured from steel and powder-coated black. (Suitable for a compressor switch) or 
  • ALSB2 - bracket for moutning two (2) rocker switches. Manufactured from steel and powder-coated black. (Suitable for mounting both a compressor and locker switch) or
  • ALSB3 - bracket for mounting three (3) rocker switches. Manufactured from steel and powder-coated black. (Suitable for mounting both a front and rear air locker and a compressor switch.)
Fitment:
  • GM 10 Bolt 8.5' 28 Spline 2.73 & Up

Other Part Numbers:
ARB 4x4 Accessories #arbRD221

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet Blazer 1987 Custom Deluxe
Chevrolet Blazer 1987, 1989-1994 Silverado
Chevrolet Blazer 1989-1991 Scottsdale
Chevrolet Blazer 1992-1993 Cheyenne
Chevrolet Blazer 1994 Silverado Sport
Chevrolet Blazer 1994-1999, 2005 Base
Chevrolet Blazer 1995-1997 Deluxe
Chevrolet Blazer 1995-2002 LT
Chevrolet Blazer 1996-2004 LS
Chevrolet Blazer 1999-2001 Trailblazer
Chevrolet Blazer 2001-2005 Xtreme
Chevrolet Blazer 2002 LTZ
Chevrolet Blazer 2003-2005 ZR2
Chevrolet C10 1977-1980 Custom Deluxe
Chevrolet C10 1977-1986 Silverado
Chevrolet C10 1977-1986 Scottsdale
Chevrolet C10 1977-1981 Cheyenne
Chevrolet C10 1977-1986 Custom
Chevrolet C10 1978-1980 Big Ten
Chevrolet C10 1981 Deluxe
Chevrolet C10 Suburban 1977-1980, 1982-1986 Silverado
Chevrolet C10 Suburban 1977-1980, 1982, 1984-1986 Scottsdale
Chevrolet C10 Suburban 1977-1980 Custom Deluxe
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C10 Suburban 1981-1986 Custom
Chevrolet C1500 1988-1992 Scottsdale
Chevrolet C1500 1988-1993 Silverado
Chevrolet C1500 1988-1993 Cheyenne
Chevrolet C1500 1989-1991 Base
Chevrolet C1500 1990-1993 454 SS
Chevrolet C1500 1990-1993 WT
Chevrolet C1500 Suburban 1992-1999 Base
Chevrolet C1500 Suburban 1992-1994 Silverado
Chevrolet C1500 Suburban 1995-1997, 1999 LT
Chevrolet C1500 Suburban 1995-1999 LS
Chevrolet C20 1977-1980 Custom Deluxe
Chevrolet C20 1977-1986 Scottsdale
Chevrolet C20 1977-1981, 1986 Cheyenne
Chevrolet C20 1977-1986 Silverado
Chevrolet C20 1981 Deluxe
Chevrolet C20 1981-1986 Custom
Chevrolet C20 1986 Base
Chevrolet C20 Suburban 1977-1980, 1982, 1984-1986 Scottsdale
Chevrolet C20 Suburban 1977, 1979-1980, 1982-1986 Silverado
Chevrolet C20 Suburban 1977-1980 Custom Deluxe
Chevrolet C20 Suburban 1981 Deluxe
Chevrolet C20 Suburban 1981-1986 Custom
Chevrolet C2500 Suburban 1992-1994 Silverado
Chevrolet C2500 Suburban 1992-1999 Base
Chevrolet C2500 Suburban 1995-1999 LS
Chevrolet C2500 Suburban 1995-1997 LT
Chevrolet Colorado 2006-2012, 2015 LT
Chevrolet Colorado 2006-2012, 2015 Base
Chevrolet Colorado 2006-2012, 2015 WT
Chevrolet Colorado 2006-2008 LS
Chevrolet Colorado 2015 LTZ
Chevrolet Colorado 2015 Z71
Chevrolet G10 1982-1987 Beauville
Chevrolet G10 1982-1987 Chevy Van
Chevrolet G10 1982-1987 Sportvan
Chevrolet G10 1982-1984, 1986-1987 Bonaventure
Chevrolet G10 1983 Base
Chevrolet K10 Suburban 1977-1980 Custom Deluxe
Chevrolet K10 Suburban 1977, 1979-1980, 1982-1983, 1985-1986 Silverado
Chevrolet K10 Suburban 1977-1980, 1982, 1984-1986 Scottsdale
Chevrolet K10 Suburban 1981 Deluxe
Chevrolet K10 Suburban 1981-1986 Custom
Chevrolet K1500 1988-1998 Silverado
Chevrolet K1500 1988-1998 Cheyenne
Chevrolet K1500 1988-1992 Scottsdale
Chevrolet K1500 1990-1998 WT
Chevrolet K1500 1991 Sport
Chevrolet K1500 1994-1997 Base
Chevrolet K1500 1999 LS
Chevrolet K1500 Suburban 1992-1994 Silverado
Chevrolet K1500 Suburban 1992-1999 Base
Chevrolet K1500 Suburban 1995-1999 LS
Chevrolet K1500 Suburban 1995-1997, 1999 LT
Chevrolet K20 1977-1983, 1985-1986 Silverado
Chevrolet K20 1977-1980 Custom Deluxe
Chevrolet K20 1977-1986 Scottsdale
Chevrolet K20 1977-1981 Cheyenne
Chevrolet K20 1981-1986 Custom
Chevrolet K20 1981 Deluxe
Chevrolet K20 Suburban 1977-1980 Custom Deluxe
Chevrolet K20 Suburban 1977-1980, 1982, 1984-1986 Scottsdale
Chevrolet K20 Suburban 1977, 1979-1980, 1982-1983, 1985-1986 Silverado
Chevrolet K20 Suburban 1981 Deluxe
Chevrolet K20 Suburban 1981-1986 Custom
Chevrolet K2500 Suburban 1992-1994 Silverado
Chevrolet K2500 Suburban 1992-1999 Base
Chevrolet K2500 Suburban 1995-1999 LS
Chevrolet K2500 Suburban 1995-1997 LT
Chevrolet K5 Blazer 1977-1980 Cheyenne
Chevrolet K5 Blazer 1977-1980 Custom Deluxe
Chevrolet K5 Blazer 1978, 1980-1986 Silverado
Chevrolet K5 Blazer 1981 Deluxe
Chevrolet K5 Blazer 1981-1986 Custom
Chevrolet K5 Blazer 1984 Scottsdale
Chevrolet S10 Blazer 1987, 1989 High Country
Chevrolet S10 Blazer 1987, 1990-1994 Tahoe
Chevrolet S10 Blazer 1987, 1989-1994 Base
Chevrolet S10 Blazer 1987, 1989-1990, 1992 Sport
Chevrolet S10 Blazer 1991-1994 Tahoe LT
Chevrolet S10 Blazer 1991-1994 Nevada
Chevrolet S10 Blazer 1994 LT
Chevrolet Suburban 1992-1994 Base
Chevrolet Suburban 1500 1995-1996 Custom
Chevrolet Suburban 1500 1995-1996 Cheyenne
Chevrolet Suburban 1500 1997 SLT
Chevrolet Suburban 1500 1997 SLE
Chevrolet Suburban 1500 1997 SLX
Chevrolet Suburban 1500 1998 LX
Chevrolet Suburban 1500 1998-1999 LS
Chevrolet Suburban 1500 1998-1999 LT
Chevrolet Tahoe 1995-2008 LS
Chevrolet Tahoe 1995-2001, 2006-2008 Base
Chevrolet Tahoe 1995-2008 LT
Chevrolet Tahoe 2000 Limited
Chevrolet Tahoe 2000, 2002-2006, 2008 Z71
Chevrolet Tahoe 2007-2008 LTZ
Chevrolet Tahoe 2007-2008 PPV
Chevrolet Tahoe 2008 Hybrid
Chevrolet Trailblazer 2006-2008 Base
Chevrolet Trailblazer 2006-2007 LS
Chevrolet Trailblazer 2006-2007 B
Chevrolet Trailblazer 2006-2009 LT
Chevrolet Trailblazer 2006-2009 SS
Chevrolet Trailblazer 2006-2007 A
Chevrolet Trailblazer EXT 2006 Base
Chevrolet Trailblazer EXT 2006 B
Chevrolet Trailblazer EXT 2006 LT
Chevrolet Trailblazer EXT 2006 LS
GMC C15 1977-1978 High Sierra
GMC C15 1977-1978 Sierra Classic
GMC C15 1977-1978 Base
GMC C15 1977-1978 Sierra Grande
GMC C15 1977 Indy Hauler
GMC C15 1977-1978 Heavy Half
GMC C15 1978 Street Coupe
GMC C15 Suburban 1977-1978 Sierra Grande
GMC C15 Suburban 1977-1978 Base
GMC C15 Suburban 1977-1978 Sierra Classic
GMC C15 Suburban 1977-1978 High Sierra
GMC C25 1977-1978 High Sierra
GMC C25 1977-1978 Sierra Classic
GMC C25 1977-1978 Base
GMC C25 1977-1978 Sierra Grande
GMC C25 Suburban 1977-1978 Base
GMC C25 Suburban 1977-1978 Sierra Classic
GMC C25 Suburban 1977-1978 Sierra Grande
GMC C25 Suburban 1977-1978 High Sierra
GMC Canyon 2006-2012 WT
GMC Canyon 2006-2012, 2015 SLT
GMC Canyon 2006-2012, 2015 SLE
GMC Canyon 2006-2008, 2015 SL
GMC Canyon 2007-2012, 2015 Base
GMC Jimmy 1977-1991 Base
GMC Jimmy 1977-1985 High Sierra
GMC Jimmy 1977-1990 Sierra Classic
GMC Jimmy 1977-1982 Sierra Grande
GMC Jimmy 1978-1982 Street Coupe
GMC Jimmy 1986 Silverado
GMC K15 1977-1978 Sierra Classic
GMC K15 1977-1978 Base
GMC K15 1977-1978 Sierra Grande
GMC K15 1977 Indy Hauler
GMC K15 1977-1978 High Sierra
GMC K15 Suburban 1977-1978 Base
GMC K15 Suburban 1977-1978 High Sierra
GMC K15 Suburban 1977-1978 Sierra Grande
GMC K15 Suburban 1977-1978 Sierra Classic
GMC K25 1977-1978 Sierra Grande
GMC K25 1977-1978 High Sierra
GMC K25 1977-1978 Sierra Classic
GMC K25 1977-1978 Base
GMC K25 Suburban 1977-1978 Sierra Grande
GMC K25 Suburban 1977-1978 Base
GMC K25 Suburban 1977-1978 Sierra Classic
GMC K25 Suburban 1977-1978 High Sierra
GMC V1500 Suburban 1989 Sierra Classic
GMC V1500 Suburban 1989-1991 Base
GMC V1500 Suburban 1990 SLE
GMC V2500 Suburban 1989 Sierra Classic
GMC V2500 Suburban 1989-1991 Base
GMC V2500 Suburban 1990 SLE
Hummer H3 2006-2010 Luxury
Hummer H3 2006-2010 Base
Hummer H3 2006-2010 Adventure
Hummer H3 2007-2009 X
Hummer H3 2008-2010 Alpha
Hummer H3 2009 Championship Series
Hummer H3T 2009-2010 Base
Hummer H3T 2009-2010 Alpha
Hummer H3T 2010 Adventure

ARB 4x4 Accessories Banner

Who is ARB?

ARB was founded by Tony Brown back in 1975. He was inspired by his offroading trip to Australia. And soon afterward, he decided to create a company that would provide quality offroad parts for various 4x4 vehicles. During those times, offroaders resort to homemade do-it-yourself parts that often fail during the trip.

The Australian outback is known for its harsh conditions like bumpy roads, extreme temperatures, which are punishing on the vehicles. Broken parts are a common occurrence and Tony decided he could do something better. Using his experience and know-how, he developed more durable equipment that would be able to handle any harsh condition. 

Starting in his small garage, he made his prototype, and from then on the rest is history. Today, ARB has become synonymous with 4x4 and offroading and has been the leading offroading brand in the world. They have become the largest offroad parts manufacturer with a presence in different parts of the globe.

Built with Only the Best

ARB heavily invests its resources in its research and development. The company uses the latest CAD, CAM modeling system that enables them to create and fine-tune its design down to the smallest detail. ARB also partners with some of the top brands in the world like IPF, WARN, and more. This allows them to create products that are unmatched when it comes to performance and quality.

Purchase ARB products at Vivid Racing

When it comes to 4x4 setups, ARB always comes to mind of every offroader out there. They have given enthusiasts quality and reliable parts that help them become the most trusted brand when it comes to 4x4 accessories. 

They offer a complete list of offroading parts such as bumpers, roof racks, under chassis protectors, exo cages, and other accessories needed to turn your vehicle into an offroading machine. Visit Vivid Racing and see the list of their products that would fit your specific vehicle.






ARB warrants ARB Products against defects in workmanship and materials for the Warranty Period. If defective workmanship or materials become apparent in the Warranty Period, ARB will replace or repair the defective ARB Product. Products that are used in competition void warranty. Product purchased “used” or “open box” are not covered under warranty. Warranty is non transferable and only valid to the original purchaser.
    Air Locker® – 5 years from the date of purchase
    Fridge Freezers – 3 years from the date of purchase
    Old Man Emu Suspension Systems – 3 years or 37,000 miles
    All other ARB Product – 2 years from the date of purchase

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