Faria 2" Heavy Duty Oil Pressure Gauge - 80 PSI - Black Dial & SS Bezel Spotting Bulb: 12V / 25W BAY15d

Bulb: 12V / 25W BAY15d included

Slip-On Inlet and Outlet Ducting Connection

Use with or without an electric pump

JIS8/IPX8 Submersible Waterproof level + Designed to Float - So you can use it just about anywhere in any weather condition

Teak Plugs

Faria 2" Heavy Duty Oil Pressure Gauge - 80 PSI - Black Dial & SS Bezel Spotting Bulb: 12V / 25W BAY15d2" Heavy Duty Oil Pressure Gauge 100 PSI Black Dial & SS Bezel A pressure gauge operates by sending a low amperage current through the gauges' meter to the ground via a sending unit with variable resistance. The resistance of the sending units increases or decreases with the changes in pressure, temperature, etc As the sender's resistance varies, the amount of current allowed to flow through it to ground changes and the meter deflects, showing the