ARB Air Locker Locking Diff for Land Rover Discovery Defender 24 Spline RD128

  
Part Number: RD128 / DA4193. ARB air locking differentials are the world's premier traction aid.

Designed and manufactured in Australia, ARB Air Lockers will enhance the traction of your 4x4 in just about any terrain, whether it is rock, clay, gravel, sand, snow or mud.