Description
The ARB RD131 Air Locker is engineered to deliver maximum traction in your Toyota 8-inch Independent Front Suspension (IFS) axle. Compatible with the front axle of 1998-2007 Toyota Land Cruiser and Lexus LX470 models, it fits axle shafts with 30 splines and 1.31-inch diameter, designed for 50mm bearing setups.
With a simple switch, the Air Locker instantly locks the axle shafts together, ensuring both wheels rotate at the same speed for superior grip in off-road conditions. When unlocked, it functions as a conventional open differential, maintaining smooth drivability on paved roads.
The pneumatically operated locking system can be activated at any speed, reducing the risk of driveline damage and allowing safe, controlled driving in difficult terrain. The two-piece steel design ensures extreme durability and reliability, backed by a 5-year warranty.
Key features include:
- Selectable 100% traction without affecting on-road performance
- Convenient driver-operated switch for seamless terrain adaptation
- Robust, minimal moving parts for long-lasting reliability
- Patented timed locking mechanism for high strength and rapid unlocking
- Steel reinforced, elastomer bonded seals built for extreme temperatures
- Complete kit includes locker, activation switch, solenoid valve, air line, and bulkhead fitting
- Requires ARB air compressor (sold separately)
Features & Benefits
- Provides full traction on demand, improving off-road performance
- Easy operation from the driver’s seat keeps focus on terrain
- Ultra-durable two-piece construction for long service life
- Patented locking mechanism ensures quick and strong lock/unlock cycles
- Seals designed for harsh climates and demanding environments
- Installation kit included for straightforward fitment
- 5-year manufacturer warranty
Specifications
- Part Number: ARB RD131
- Material: Steel
- Color: Silver
- Axle Type: Toyota 8" IFS (Independent Front Suspension)
- Position: Front
- Axle Shaft Diameter: 1.31 in (33.3 mm)
- Spline Count: 30
- Bearing Outer Diameter: 50 mm
- Gear Ratio Compatibility: All
- Warranty: 5 Years
- Prop 65 Warning: No
Vehicle Fitment
Compatible with the following models:
- 1998-2007 Lexus LX470 – Base, 4.7L V8 Gas, 4 Doors
- 1998-2007 Toyota Land Cruiser – Base, 4.7L V8 Gas, 4 Doors
