Genuine ARB adjuster nut, spare part 100103SP, sized M85 x 1.5 — the carrier bearing adjuster nut for your ARB Air Locker differential.
| Specification | Detail |
|---|---|
| Part number | 100103SP |
| Thread size | M85 x 1.5 |
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 100103SP 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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