ARB 30 Spline Side Gear Set – 728H181

Restore your ARB Air Locker with the genuine ARB 728H181 Internal Gear Set. This complete replacement gear set includes 30 spline side gears and matching pinion gears, making it the ideal solution for rebuilding damaged or worn Toyota ARB Air Lockers.

The 728H181 features the standard 30 spline side gears used in Toyota 30 spline ARB Air Lockers, making it a direct genuine replacement for compatible lockers. As the gears are supplied as a matched set, they ensure correct fitment, strength and long-term reliability.

Features

Genuine ARB replacement part

Complete matched internal gear set

Includes standard 30 spline Toyota side gears

Precision manufactured for an exact fit

Ideal for rebuilding worn or damaged Air Lockers

Restores original Air Locker performance and reliability

Kit Includes

2 × 30 spline side gears

4 × Pinion (spider) gears

Suits

The 728H181 gear set is used in compatible Toyota 30 spline ARB Air Lockers, including the RD142, and other ARB lockers that specify Gear Set 728H181 in the parts list. Always confirm compatibility with your Air Locker model before ordering.