Setrab ProLine Adapter, M22 Male to M18 Female ORB

Brand: Setrab Oil Coolers

This black anodized aluminum adapter bushing has male M22x1.5 threads to fit the M22 O-ring ports on Setrab oil coolers, sandwich plates, filter heads, and spin-on adapters. A female M18x1.5 O-ring port accepts your M18 male threaded fitting or adapter. Includes one O-ring for the M22 threads. Sold individually.

Note that your male fitting can seal either by an O-ring (not included) or a crush washer (not included), but it cannot seal by a flare at the tip of the threads.