Lockers & Diff Covers

ARB Air Locker selectable differentials and related parts, which let you lock an axle on demand for traction off-road.

Brands in this collection: ARB. Related: drivetrain parts. Check the fitment notes on each listing for year, cab and bed details.

Black Diamond Unlimited is at 3623 US Highway 62 in Ropesville, TX, about 20 miles southwest of Lubbock, and we serve truck owners across Lubbock and the South Plains. Call (806) 503-2161 (Mon-Fri 8am-5pm CT) with your year, make, model and engine and we'll confirm fitment before you order.