Oil Pressure
Mechanical oil pressure gauges with alarm system are found on this page. Each oil pressure gauge is designed to withstand the most demanding heavy duty applications found on diesel engines such as Detroit Diesel or marine transmissions such as Twin Disc. Below you will find the two types of oil pressure gauges. Engine oil pressure gauge from 0 to 100 psi and marine transmission oil pressure gauge from 0 to 400 psi. All our mechanical oil pressure gauges come with a 100% money back guarantee and 24hr worldwide shipping direct to you.

12 volt relay for switch gauge
Engine Oil Pressure Gauge, Mechanical With Alarm 0 to 100 PSI
Marine Gear Oil Gressure Gauge, Mechanical With Alarm 0 to 300 PSI
Marine Gear Oil Gressure Gauge, Mechanical With Alarm 0 to 400
Alarm system siren 6 to 28 VDC -SAH
24 volt relay for switch gauge