Setting carrier bearing preload on an ARB Air Locker starts with the right adjuster nut. This is genuine ARB spare part 100601SP.
The adjuster nut threads into the differential housing bearing caps to set and lock carrier bearing preload when installing or servicing an ARB Air Locker. Adjuster nuts are model-specific, so match part 100601SP to your exact differential and Air Locker before ordering, and torque to ARB's specification on assembly.
Browse ARB Air Lockers and the full ARB range.
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