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ARB RD140 Rear Air Locker for Ford F-350 1985-2019

Brand: ARB
Part Number: RD140
Product Type: Air Locker
Vehicle Fitment: Ford F-350 1985-2019
Condition: New
Shipping: Free Shipping!
Was: $1,538.75
Sale: $1,231.00
Save: 20%
Save: $307.75

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ARB air lockers enhance the traction of your 4×4 in just about any terrain, whether it's rock, clay, gravel, sand, snow or mud. Now with a state-of-the-art two-piece design available right across the range, forged gears for the ultimate in strength and durability. Onboard air compressor required to activate air lockers.


  • Easy maintenance
  • Air activated selectable locker
  • Simple push button operation
  • Thoroughly tested and proven
  • Converts from open differential to fully locked or spool
  • Vastly improved traction means less reliance on momentum reducing the likelihood of vehicle damage
  • Easy convenient operation without leaving the comfort and safety of the drivers seat
  • Ultra durable and extremely strong only the highest quality materials used in construction
  • Patented gear technology and 2-piece design ensures optimal locking strength


  • Drivetrain: 4x4
  • Position: Rear
  • Ratio Supported: All
  • Material: Nodular iron
  • Number of Axle Spline Teeth: 35
  • Number of Ring Gear Bolts: 12
  • Ring Gear Torque: 129 Nm
  • Ring Gear Inner Diameter: 6.50"
  • Ring Gear Outer Diameter: 10.25"/10.50"
  • Backlash: 0.28-0.41 mm
  • Diameter of Driveshaft: 1.5"
  • Voltage: 12 V

Vehicle Fitment 





Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W1.0000” x H1.0000” x L1.0000”
  • Free Shipping!
  • Free Shipping!

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