The new ARB Replacement Bulkhead Fitting Kit works with all ARB Air Lockers with the 3.5mm copper wiring, and features the larger 6mm black plastic external airline and the 3.5mm copper internal air line. It also features the new banjo style 90° fitting for tight installations.
- Outer compression nut (5mm)
- Middle control compression nut (5mm to 3.5mm)
- Bulkhead body (3.5mm o-ring type) 1/4" NPT thread into differential housing
Note: will not work on older 3/16" copper air lines