ARB Air Locker — Toyota 8.15" Axle (8.15", 30-Spline) | RD271

The ARB RD271 is an air-actuated, driver-selectable locking differential for the Toyota 8.15" axle — 100% mechanical lock on demand, fully open when disengaged.

Technical specifications

• Ring gear: Toyota 8.15" (12-bolt)
• Spline: 30
• Shaft diameter: 1.31"
• Ratio range: All ratios
• Material: Forged steel
• Actuation: Pneumatic (air)

Engineering

• Two-piece, ultra-durable design with minimal moving parts for maximum reliability
• Patented, timed pneumatic locking mechanism — high strength with ultra-fast unlocking
• Steel-reinforced, elastomer-bonded annular seal rated for extreme temperatures
• Fully open when disengaged — no effect on on-road drivability or driveline wear
• 5-year warranty

Fitment: Toyota 8.15" Axle. Toyota 8.15" (12-bolt), 30-spline, all ratios. 12-bolt ring gear.

In the box: Air Locker differential, dash activation switch, solenoid valve, air line and bulkhead fitting. An ARB air compressor is required to operate (sold separately) — pair with an ARB CKMA12 (single) or CKMTA12 (twin).

Vehicle fitment

• 2024 Toyota Land Cruiser 1958 — 2.4L I4 Turbo, 4WD, Full Hybrid EV-Gas (FHEV)
• 2024 Toyota Land Cruiser Base — 2.4L I4 Turbo, 4WD, Full Hybrid EV-Gas (FHEV)
• 2024 Toyota Land Cruiser First Edition — 2.4L I4 Turbo, 4WD, Full Hybrid EV-Gas (FHEV)
• 2024 Toyota Tacoma SR — 2.4L I4, 2WD, Gas
• 2024 Toyota Tacoma SR — 2.4L I4, 4WD, Gas
• 2024 Toyota Tacoma SR5 — 2.4L I4, 2WD, Gas
• 2024 Toyota Tacoma SR5 — 2.4L I4, 4WD, Gas
• 2024 Toyota Tacoma TRD Off-Road — 2.4L I4, 4WD, Gas
• 2024 Toyota Tacoma TRD Sport — 2.4L I4, Gas