... : 1. Locker 2.Compressor 3.Switch 4wd accessory-air locker RD107 locking differentials are selectable units, which allow a fully open ... spool at the flick of a dash mounted switch.model:RD107 RD107NissanFrontier,Xterra,Front1986-2005R200A,6cyl30.4(1.20")29All Navara ... us.Tel: 86-20-28996644/22171859 4wd accessory-air locker RD107