ARB Air Locker RD166 Locking Differential 4.56 & Up

Air locker locking differentials allow you to tackle the toughest terrain. The worlds 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.

Air Locker Differential Shaft Spline 35 Ratio 4.56 And Up Dana 60HD Front; Rear;

  • Provides 100 Percent Traction On Demand
  • Does Not Affect Road Drivability/Driveline Wear
  • Reduces Likelihood Of Vehicle Damage/Environmental Impact
  • Easy/Convenient Operation
  • Allows Concentration On Terrain
  • Ultra Durable And Extremely Strong
  • Incredibly Simple Yet Effective Design
  • Employs Minimal Moving Parts Ensuring Maximum Reliability
Vehicle Fitment
  • 1978-1979 Ford F250 F350 Snowfighter & Crew Cab 4x4
  • 1985-1998 Ford F350 4x4
  • 1999-2001 Ford F350 4x4 with Dually DRW
  • 2002-2011 Ford F250 F350 Superduty 4x4
  • 1975-1993 Dodge W200 W250 Ton Pickup
  • 1975-1993 Dodge W300 W350 1 Ton Pickup
  • 1977-1987 Chevy GMC K30 Pickup
  • 1988-1991 Chevy GMC V30 Pickup
  • 1969-1972 Chrysler B Body with Hemi or 440