Trust / GReddy Sensor Adaptor M18 x P1.5 to 1/8PT

This adapter screw onto thread size 18mm (M18XP1.5) with a 1/8 PT thread in the center for most temp gauges.

This is 1/8 PT (Japanese Pipe thread, same as BSP), not NPT although it does work with NPT fittings.

Each includes a sealing o-ring