• ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline
  • ARB Dana 70/80 Air Locker 40 Spline

ARB Dana 70/80 Air Locker 40 Spline

SKU: RD176
Regular price

$1,499.95
Carrier

Universal fit

Special order, usually ships in 1-2 weeks

  • Price match — call (615) 235-5885
  • Questions? or call
  • Pay over time with Shop Pay Installments
Want it installed? Wreckless 4x4, Lebanon TN — get a quote

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The ARB Air Locker (RD176 / RD177) is a selectable locking differential for Dana 70 and Dana 80 axles with 40 spline axle shafts. Choose the low speed carrier (RD176, typically 4.56 & numerically higher ratios) or the high speed carrier (RD177, typically 4.10 & numerically lower ratios). Confirm axle spline count and gear ratio with ARB fitment data before ordering.

Key Features:

  • Locks the differential on demand for 100% traction
  • Unlocked, it drives like an open differential with no added driveline wear
  • Two-piece design with minimal moving parts
  • Patented timed locking mechanism for strength and fast unlocking
  • Steel reinforced, elastomer bonded seal for extreme temperatures
  • Requires an air compressor (sold separately)

    • What's Included:

  • Air Locker differential
  • Activation switch
  • Solenoid valve
  • Air line and bulkhead fitting

    • Fits Dana 70 and Dana 80 axles.