Stack mechanical oil pressure gauge designed for vehicles with no or low powered electrical systems. If a back light is not required then the gauge can be operated with no electrical connection at all, however the gauge is supplied with a white LED back light and illuminated needle which require a 12 volt feed.
Please Note: Gauges are supplied complete with a nylon capillary hose and also male adaptors with 1/8 NPT and 1/4 NPT threads
Taper threads require sealing with a PTFE compound not supplied.