ARB RD157 Air Locker Differential for 07-18 Wrangler JK Rubicon Dana 44 35Spline

Vehicle Fitment

• 2007-2018 Jeep Wrangler JK Rubicon (Front and Rear Dana 44 Axles, 35-Spline, 3.73 and Down Gear Ratios)

Features

• Provides 100% traction on demand without affecting on-road drivability
• Pneumatically operated locking system for instant engagement
• Two-piece design with minimal moving parts ensures maximum reliability
• Patented 'timed' locking mechanism offers high strength and ultra-fast unlocking
• Steel-reinforced, elastomer-bonded annular seal handles extreme temperatures
• Compatible with ARB air compressors (sold separately)
• Designed and manufactured in Australia for rugged off-road conditions
• Backed by ARB's comprehensive 5-year warranty

Specifications

• Part Number: RD157
• Axle Type: Dana 44
• Axle Spline Count: 35 Spline (Ø38.1mm / 1.50")
• Gear Ratio Compatibility: 3.73 and Down
• Ring Gear ID: 141.3mm (5.56")
• Ring Gear OD: 216mm (8.5")
• Ring Gear Bolts: 10 bolts on Ø168.3mm (6.61") circle
• Ring Gear Torque Spec: 75Nm (55 ft-lb)
• Backlash: 0.15-0.25mm (0.006-0.010")
• Bearing Cap Torque: 81Nm (60 ft-lb)
• Position: Front or Rear Differential
• Material: High-grade steel
• Color: Silver
• Warranty: 5 Years

Included Components

• 1 x ARB RD157 Air Locker Differential
• 1 x Activation Switch
• 1 x Solenoid Valve
• Air Lines and Bulkhead Fittings
• Installation Guide and User Manual

Product Description

The ARB RD157 Air Locker Differential is engineered to enhance the off-road capability of your Jeep Wrangler JK Rubicon equipped with Dana 44 axles and 35-spline shafts. Designed for both front and rear applications with gear ratios of 3.73 and down, this air locker provides 100% traction on demand, allowing you to tackle challenging terrains with confidence.

When engaged via a dash-mounted switch, the RD157 uses compressed air to lock the differential, ensuring both wheels turn in unison for maximum traction. Its robust two-piece design minimizes moving parts, enhancing reliability and longevity. The patented 'timed' locking mechanism ensures rapid engagement and disengagement, while the steel-reinforced, elastomer-bonded annular seal withstands extreme temperatures and conditions.

Compatible with ARB's air compressor systems (sold separately), the RD157 is a must-have upgrade for off-road enthusiasts seeking improved performance without compromising on-road drivability. Whether navigating rocky trails or slippery slopes, the ARB RD157 Air Locker delivers the traction you need when you need it most.