Description
The ARB RD146 Air Locker is the ultimate traction upgrade for your 2007–2021 Toyota Tundra with a 10.5" rear axle and 36 spline shafts. Engineered for serious off-roaders, this air-actuated locking differential allows you to gain 100% traction instantly, even in the harshest driving conditions.
With a flip of a switch, the ARB Air Locker locks both axle shafts together, eliminating wheel spin and maximizing grip. Unlike limited-slip or traction control systems, the Air Locker delivers true locking capability without compromising on-road performance or inducing driveline wear when disengaged.
Constructed with a two-piece, ultra-durable design and minimal moving parts, the RD146 offers high strength, long-term reliability, and is backed by a 5-year warranty. It includes all necessary hardware to integrate with your ARB air compressor (sold separately), including the activation switch, solenoid, air line, and fittings.
Features & Benefits
- 100% Traction On Demand – Locks both wheels for maximum grip
- Air-Operated Design – Instant lock/unlock from inside the cab
- Durable Steel Construction – Precision machined and ultra-strong
- Two-Piece Housing – Minimizes moving parts for maximum reliability
- High-Performance Seal – Reinforced to withstand extreme temperatures
- Complete Kit Included – Differential, solenoid, air line, bulkhead fitting, and switch
- Compatible with ARB Compressors – Sold separately
- Backed by ARB’s 5-Year Warranty
Specifications
- Part Number: ARB RD146
- Material: High-Strength Steel
- Color: Silver
- Axle Type: Toyota 10.5" Rear Axle
- Spline Count: 36
- Axle Shaft Diameter: 1.44"
- Location: Rear
- Gear Ratio Compatibility: All
- Compressor Required: Yes (not included)
- Prop 65: No
- Warranty: 5 Years
Vehicle Fitment
Fits 2007–2021 Toyota Tundra models with 10.5" rear differential & 36-spline axles, including:
- 1794 Edition
- Base
- Limited
- Platinum
- SR / SR5
- TRD Off-Road / TRD Pro / TRD Sport
- Nightshade
- Trail
- TRD Off-Road Premium / TRD Sport Premium
