For modern ARB Air Lockers, the ARB Bulkhead Kit, 3.5mm, O-Ring Type is a premium O-ring style sealing system that is intended to move the air supply line through the differential housing. This kit, which is specifically made for 3.5mm copper lines, provides a more reliable and simpler sealing solution by doing away with the requirement for the outdated 5mm ferrule.

Features:

•  Bulkhead junction support spring
• Outer compression nut (5mm)
• Middle control compression nut (5mm to 3.5mm)
• O-ring
• Bulkhead body (3.5mm o-ring type) 1/4" NPT thread into differential housing

Note: Will not work on older 3/16" copper air line

Specifications

• Install Method: Bolt On
• QTY: 1
• Type: Air Line Fitting

Warranty: 3-year