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  See more parts for Chevrolet Silverado 2500
Select the year of your Chevrolet Silverado 2500:
ARB Air Locker AAM 11.5 in. 30 Spline Axles - RD139
ARB Air Locker AAM 11.5 in. 30 Spline Axles - RD139 - Image 2 ARB Air Locker AAM 11.5 in. 30 Spline Axles - RD139 - Image 2
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 moutning both a front and rear air locker and a compressor switch.)
Fitment:
  • AAM 11.5 in. 30 Spline Axles

Other Part Numbers:
ARB 4x4 Accessories #arbRD139

Proposition 65

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

Vehicle Make/Model
Chevrolet Silverado 2500 2001-2005 400 SS
Chevrolet Silverado 2500 2001-2004 LT
Chevrolet Silverado 2500 2001-2002, 2007 Cheyenne
Chevrolet Silverado 2500 2001-2009 Base
Chevrolet Silverado 2500 2001-2002 Custom
Chevrolet Silverado 2500 2001-2004 LS
Chevrolet Silverado 2500 2004 WT
Chevrolet Silverado 2500 HD 2001-2005 Base
Chevrolet Silverado 2500 HD 2001-2006 LS
Chevrolet Silverado 2500 HD 2001-2009 LT
Chevrolet Silverado 2500 HD 2003-2009 WT
Chevrolet Silverado 2500 HD 2007-2009 LTZ
Chevrolet Silverado 2500 HD Classic 2007 LS
Chevrolet Silverado 2500 HD Classic 2007 WT
Chevrolet Silverado 2500 HD Classic 2007 LT
Chevrolet Silverado 3500 2006 LS
Chevrolet Silverado 3500 2006-2009 Base
Chevrolet Silverado 3500 2006 HD
Chevrolet Silverado 3500 2006 WT
Chevrolet Silverado 3500 2006 LT
Chevrolet Silverado 3500 Classic 2007 LS
Chevrolet Silverado 3500 Classic 2007 WT
Chevrolet Silverado 3500 Classic 2007 LT
Chevrolet Silverado 3500 HD 2007-2009 LTZ
Chevrolet Silverado 3500 HD 2007-2009 WT
Chevrolet Silverado 3500 HD 2007-2009 LT
Dodge Ram 2500 2003-2010 SLT
Dodge Ram 2500 2003, 2005-2009 Laramie
Dodge Ram 2500 2003-2010 ST
Dodge Ram 2500 2005 SLT Daytona
Dodge Ram 2500 2006-2010 Power Wagon
Dodge Ram 2500 2006 SLT Night Runner Sport
Dodge Ram 2500 2006-2008, 2010 SLT Sport
Dodge Ram 2500 2006-2007 Sport
Dodge Ram 2500 2006-2007 TRX4
Dodge Ram 2500 2008-2010 SXT
Dodge Ram 2500 2008 SLT Big Horn
Dodge Ram 2500 2009 Crew
Dodge Ram 2500 2010 TRX
Dodge Ram 2500 Van 2003 Base
Dodge Ram 3500 2003-2010 SLT
Dodge Ram 3500 2003-2010 ST
Dodge Ram 3500 2003-2009 Laramie
Dodge Ram 3500 2006-2007 Sport
Dodge Ram 3500 2007 TRX4
Dodge Ram 3500 2008-2010 SXT
Dodge Ram 3500 Van 2003 Base
GMC Sierra 2007 Base
GMC Sierra 1500 2001-2007 SLE
GMC Sierra 1500 2001-2007 SLT
GMC Sierra 1500 2001-2003, 2006-2007 SL
GMC Sierra 1500 2001 C3
GMC Sierra 1500 2002-2007 WT
GMC Sierra 1500 2002-2007 Denali
GMC Sierra 1500 2002 HT
GMC Sierra 1500 2002-2005 Base
GMC Sierra 1500 2005-2006 Hybrid
GMC Sierra 1500 Classic 2007 Hybrid
GMC Sierra 1500 Classic 2007 WT
GMC Sierra 1500 Classic 2007 SLT
GMC Sierra 1500 Classic 2007 SLE
GMC Sierra 1500 Classic 2007 SL
GMC Sierra 1500 Classic 2007 Denali
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLT
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLE
GMC Sierra 1500 HD Classic 2007 SLT
GMC Sierra 1500 HD Classic 2007 SLE
GMC Sierra 2500 2001-2004 SLT
GMC Sierra 2500 2001-2002 SL
GMC Sierra 2500 2001-2004 SLE
GMC Sierra 2500 2002-2004 Base
GMC Sierra 2500 2003-2004 WT
GMC Sierra 2500 HD 2001-2007 SLT
GMC Sierra 2500 HD 2001-2007 SLE
GMC Sierra 2500 HD 2001-2002, 2006 SL
GMC Sierra 2500 HD 2002-2005 Base
GMC Sierra 2500 HD 2003-2007 WT
GMC Sierra 2500 HD Classic 2007 SLE
GMC Sierra 2500 HD Classic 2007 SLT
GMC Sierra 2500 HD Classic 2007 SL
GMC Sierra 2500 HD Classic 2007 WT
GMC Sierra 3500 2001-2006 SLE
GMC Sierra 3500 2001-2002, 2006 SL
GMC Sierra 3500 2001-2006 SLT
GMC Sierra 3500 2002-2005 Base
GMC Sierra 3500 2004-2006 WT
GMC Sierra 3500 Classic 2007 SLT
GMC Sierra 3500 Classic 2007 SLE
GMC Sierra 3500 Classic 2007 SL
GMC Sierra 3500 Classic 2007 WT
GMC Sierra 3500 HD 2007 SLE
GMC Sierra 3500 HD 2007 SLT
GMC Sierra 3500 HD 2007 WT
Ram 2500 2011-2018 Outdoorsman
Ram 2500 2011-2019 SLT
Ram 2500 2011-2019, 2021 Laramie Longhorn
Ram 2500 2011-2018 ST
Ram 2500 2011, 2013 SXT
Ram 2500 2011 SLT Sport
Ram 2500 2011-2019, 2021 Laramie
Ram 2500 2011-2019, 2021 Power Wagon
Ram 2500 2012-2016 Hemi Sport
Ram 2500 2012-2019 R/T
Ram 2500 2013-2015, 2019, 2021 Lone Star
Ram 2500 2013-2019, 2021 Tradesman
Ram 2500 2013-2019, 2021 Big Horn
Ram 2500 2014-2019 Laramie Limited
Ram 2500 2016-2019, 2021 Limited
Ram 2500 2017 Laramie HD
Ram 2500 2017-2019, 2021 SLT HD
Ram 2500 2017-2019 Sport
Ram 2500 2018 Limited Tungsten HD
Ram 2500 2018 Limited Tungsten
Ram 2500 2019, 2021 HD Limited
Ram 2500 2021 Limited Longhorn
Ram 3500 2011-2019 Laramie Longhorn
Ram 3500 2011-2019 SLT
Ram 3500 2011, 2013 SXT
Ram 3500 2011-2018 ST
Ram 3500 2011-2019 Laramie
Ram 3500 2013-2019 Big Horn
Ram 3500 2013-2015, 2017, 2019 Lone Star
Ram 3500 2013-2019 Tradesman
Ram 3500 2014-2019 Laramie Limited
Ram 3500 2016-2019 Limited
Ram Ram 2500 2010 Laramie
Ram Ram 3500 2010 Laramie

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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