ARB Air Locker Adjuster Nut — 100105SP Discovery 4 Watch the washer order when

Watch the washer order when you do: Belleville spring under the hex bolt

mesh sleeves for your hoses

and long-term durability — ideal for road trips

Genuine ARB Sahara Bar outer top tubes (pair)

ARB Air Locker Adjuster Nut — 100105SP Discovery 4 Watch the washer order whenGenuine ARB Air Locker adjuster nut, spare part 100105SP the carrier bearing adjuster nut for your differential. 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 100105SP to your exact differential and Air Locker before ordering, and torque to ARB's specification on assembly. Browse ARB Air Lockers