Adapter Nut (10050167): 1/4 A Bulb PSB SERIES DIRECT MOUNT PRESSURE SWITCH Test Feature (allows for test

Test Feature (allows for test of float and switch) (15700836)

Adapter Kit 10 mm: M10

Ideal for use on engines

It can display up to four engine/transmission and auxiliary parameters simultaneously

14-amp fuse is included

Adapter Nut (10050167): 1/4 A Bulb PSB SERIES DIRECT MOUNT PRESSURE SWITCH Test Feature (allows for testThe standard threading size at the end of a temperature gauge capillary tube is 5 8 18 UNF (Union Nut). The inner threads of this 1 4 A Bulb Adapter Nut measure 5 8 18 UNF, to make the correct connection to the stationary end of the temperature gauge capillary tube. The outer threads measure 1 4 18 NPT allowing you to make a non standard connection to match your application, which is generally a connection to the coolant bath of your engine block.