ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline
ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline

ARB Selectable Air Locker AAM, 9.25”/9.50”, 33-Spline

SKU: ARBRD197

$1,399.95
/
Shipping calculated at checkout.

The ARB Air Locker is the world’s premier selectable traction device, delivering 100% traction on demand while maintaining smooth, predictable on-road performance when unlocked. This high speed configuration is designed for applications running numerically lower gear ratios and mixed use vehicles that see both street and off-road duty.

With the flick of a dash mounted switch, compressed air activates the pneumatically operated locking mechanism inside the differential, instantly locking both axle shafts to the ring gear. When disengaged, the differential operates like a conventional open unit, reducing driveline wear and preserving normal handling characteristics.

The ARB Air Locker’s ultra strong two-piece design, minimal moving parts, and proven sealing system make it a trusted solution for trucks that demand reliability in extreme conditions.

Specifications
  • Brand: ARB
  • Differential Type: Selectable locking differential
  • Speed Rating: High Speed
  • Spline Count: 33-spline
  • Shaft Diameter: 1.37
  • Material: Steel
  • Finish / Color: Silver
  • Activation Type: Pneumatic (air operated)
  • Includes
  • ARB Air Locker differential
  • Dash activation switch
  • Solenoid valve
  • Air line
  • Bulkhead fitting
  • Air compressor required for operation (sold separately).
Fitment
  • Rear Axle Applications
  • GM 14-Bolt Semi-Float – 9.5
  • 33 spline, 1.37 shaft
  • Gear ratio: 3.23 & up
  • Gear ratio: All (application dependent)
  • Front Axle Applications
  • AAM / GM 9.25 (IFS)
  • 33 spline, 1.37 shaft
  • Gear ratio: All
Tech Insight

ARB’s patented timed locking mechanism supports the side gear teeth directly, allowing the Air Locker to handle high torque loads exactly when needed. The steel reinforced, elastomer bonded annular seal is designed to withstand extreme temperatures and repeated engagement cycles, ensuring long term reliability in both daily driven and off-road applications.

The high speed configuration is ideal for vehicles that require selectable traction without sacrificing street manners.

Technical Resources

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