I bought a vehicle axle with an ARB Air Locker already installed. What parts do I need to plum my compressor to the Air Locker? August 18, 2022 15:04 Updated We offer a kit (ALAP) that includes everything you need to plum your compressor to the ARB Air Locker. Related articles I bought a truck with ARB Air Lockers installed. What do I need to hook them up? CKMA12/24 Installation Guide How often do I service my ARB Air Locker? Zero Fridge/Freezer User & Service Manual What is your contact information?