Description
The ARB Air Locker Differential offers on-demand, 100% traction with the flick of a switch. Designed for serious off-roaders, this air-operated locker provides maximum control and durability. It instantly locks the axle when needed and reverts to normal open differential operation when disengaged.
The Air Locker’s unique pneumatically controlled locking system ensures reliable performance in the harshest environments. When unlocked, it behaves like a conventional differential, ensuring smooth and predictable on-road handling.
Features & Benefits:
- Provides 100% traction on demand without affecting on-road drivability
- Pneumatically activated from the driver’s seat
- Operates safely at any speed
- Ultra-durable design with minimal moving parts for maximum reliability
- Steel-reinforced elastomer bonded annular seal handles extreme temperatures
- Patented ‘timed’ locking mechanism for fast, ultra-strong engagement and disengagement
-
Includes:
- Air Locker differential
- Activation switch
- Solenoid valve
- Air line
- Bulkhead fitting
- Air compressor required (sold separately)
- 5-Year Warranty
- Prop 65 Compliant: No warning required
Specifications:
- Axle: AAM 11.5"
- Position: Rear
- Spline: 30
- Shaft Size: 1.56"
- Gear Ratio: All
- Material: Steel
- Color: Silver
- Warranty: 5 Years
- Part Number: arbRD139
Vehicle Fitment:
Dodge Ram 2500 (2003-2010)
- Laramie – 4.7L V8, 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- SLT – 4.7L V8, 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- ST – 4.7L V8, 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- SXT – 4.7L V8, 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- Sport – 4.7L V8, 5.7L V8 – 2-Door, 4-Door
- TRX – 4.7L V8, 5.7L V8 – 2-Door, 4-Door
- Power Wagon – 5.7L V8 – 4-Door
- Lone Star – 4.7L V8, 5.7L V8 – 4-Door
- Big Horn – 4.7L V8, 5.7L V8 – 4-Door
Ram 2500 (2011-2019)
- Laramie – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- SLT – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Power Wagon – 6.4L V8 – 4-Door
- Big Horn – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Lone Star – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Tradesman – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Outdoorsman – 5.7L V8, 6.7L I6 DIESEL – 4-Door
- Limited – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 4-Door
- Laramie Longhorn – 5.7L V8, 6.4L V8, 6.7L I6 DIESEL – 4-Door
Dodge Ram 3500 (2003-2010)
- Laramie – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- SLT – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- ST – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- SXT – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 2-Door, 4-Door
- Big Horn – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 4-Door
- Lone Star – 5.7L V8, 5.9L I6 DIESEL, 6.7L I6 DIESEL – 4-Door
Ram 3500 (2011-2019)
- Laramie – 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- SLT – 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Tradesman – 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Big Horn – 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Lone Star – 6.4L V8, 6.7L I6 DIESEL – 2-Door, 4-Door
- Laramie Longhorn – 6.4L V8, 6.7L I6 DIESEL – 4-Door
- Limited – 6.4L V8, 6.7L I6 DIESEL – 4-Door
Installation Notes & Additional Parts Required:
- Air compressor required for operation (sold separately)
- Professional installation recommended
- Includes all necessary hardware
Additional Information:
- Part Number: arbRD139
-
Includes:
- ARB Air Locker Differential
- Activation Switch
- Solenoid Valve
- Air Line
- Bulkhead Fitting
- Material: Steel
- Finish: Silver
- Warranty: 5 Years
- Prop 65 Warning: No warning required
