AN-3 Male to AN-4 ORB

This TightFit AN-3 Male to AN-4 ORB adapter is CNC machined from billet aluminium and finished in raw machined. It’s a straight adapter with O-ring boss (ORB) seal for a leak-free connection without thread sealant, suited to fuel, oil and coolant systems. Like every TightFit fitting, it’s manufactured to strict tolerance control and backed by our 2-year limited warranty.