ARB RD148 Front Air Locker for Hummer H3 2006-2021

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.

Features

• 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

Specifications

• Drivetrain: 4x4
• Position: Front
• Ratio Supported: All
• Material: Nodular Iron
• Number of Axle Spline Teeth: 28
• Number of Ring Gear Bolts: 10
• Ring Gear Torque: 120 Nm
• Ring Cap Torque: 63/75 Nm
• Ring Gear Inner Diameter: 4.63"
• Ring Gear Outer Diameter: 7.6"
• Backlash: 0.15-0.25 mm
• Diameter of Driveshaft: 1.20"
• Voltage: 12 V

Vehicle Fitment 

Technical Files 

Installation Instructions

Videos