This is a professionally assembled H233 rear diff centre, designed as a complete bolt-in upgrade for Nissan Patrol GQ and GU models. It arrives fully assembled with a brand new ARB Air Locker and a new 4.11 ratio Crown Wheel & Pinion gear set. This unit is the ultimate solution for achieving selectable, 100% rear-end traction when you need it most, and serves as a heavy-duty replacement for a standard or failed differential suffering from clunking, grinding, or loss of drive.

Each unit is built in-house by our expert technicians using all-new, high-quality components. The assembly includes a brand new Japanese 4.11 Crown Wheel & Pinion, new Japanese carrier and pinion bearings, a new pinion seal, and a diff gasket. To ensure quiet operation and long-term reliability under harsh Australian conditions, the backlash and preload are professionally set, making this a straightforward installation without any guesswork.

This diff centre is sold on a changeover basis; a refundable core deposit will be added at checkout and returned upon receipt of your old H233 unit. An onboard air supply is required to operate the ARB Air Locker. You may also require an ARB Air Compressor (such as CKMTA12) and Manifold Kit (171503), which are sold separately. We strongly recommend replacing the inner axle seals and diff gasket (008-011394) during installation. If this is not the right ratio for your vehicle, please check out the other diff ratios we have available.

Product Features

• Ultimate Off-Road Traction: Features a brand new, genuine ARB Air Locker, providing 100% selectable locking of the rear wheels for maximum grip in tough terrain.
• Professionally Assembled & Bolt-In Ready: Expertly built in-house with correct backlash and preload settings, making it a direct replacement ready to fit to your vehicle.
• 6-Month Warranty: Backed by a 6-month warranty. To ensure validation, the diff housing must be thoroughly cleaned, correct 80W90 GL-5 gear oil used and changed after 1000km, and the diff breather must be clear and functional.

Installation is a moderate-level job that requires disassembly of both rear hubs to remove the axles before the old diff centre can be extracted. This unit is heavy and may require two people to lift it safely into position.

Vehicle Fitment

• 1988-1994 DA Maverick Hardtop, Ute, Wagon, TB42, TD42
• 1988-1999 GQ Patrol Hardtop, Ute, Wagon, RB30S, RD28T, TB42, TB42E, TB42S, TD42
• 1997-2017 GU Patrol Ute, Wagon, RD28ETI, TB45E, TB48DE, TD42, TD42T, TD42TI, ZD30CR, ZD30DI

Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.

Genuine Nissan Product Alternative

For a standard, non-locking replacement, you may require a Genuine Nissan diff centre. View our range of standard differentials here.

ARB Air Lockers

ARB Air Lockers are renowned globally for providing 100% selectable traction on demand, delivering ultimate performance and durability for 4WD owners.

View our full ARB range