ARB Air Locker — Toyota 8" IFS Front (30-Spline, 50mm Bearing)
Independent front suspension makes for a comfortable Land Cruiser, but an open front diff still loses traction the moment a wheel unloads on an off-camber climb. The ARB Air Locker for the Toyota 8-inch IFS front differential adds a driver-selectable, air-operated lock so both front wheels drive together on demand, then releases for normal steering and turning on the road.
This carrier is built for the 30-spline, 50mm-bearing 8-inch IFS front diff fitted to the 100-Series Toyota Land Cruiser and Lexus LX470 (1998–2008). Front locking transforms low-traction climbs and side-slopes where the front axle would otherwise stall.
- Selectable, air-operated 100% front differential lock
- Sized for the 30-spline Toyota 8" IFS diff with 50mm bearing
- Instant engagement from an ARB air source
- Bolt-in replacement for the factory front carrier
Trade-off: needs a compressed-air supply and professional installation; front lockers should be engaged only when needed for tight, low-speed work.
| Specification | Detail |
|---|---|
| Type | Selectable air-operated locking differential |
| Differential / axle | Toyota 8" IFS (front) |
| Spline count | 30 |
| Bearing | 50mm |
| Actuation | Compressed air — ARB air source required |
| Operating pressure | 100 psi (nominal) |
| Part number (MPN) | RD131 |
| GTIN | 881348007278 |
| Brand | ARB |
This fits: Toyota Land Cruiser 100-Series and Lexus LX470, 1998–2008 (8" IFS front diff, 30-spline, 50mm bearing). Confirm your differential before ordering. See more Differentials & Lockers or the full ARB collection.
Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.
Presented by Overland Kitted
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