Marlin's Genuine Accessories
Marlin's Liquid Filled Oil Pressure Gauge with Black 100 lb. FaceMarlin's Genuine Accessories
IMPORTANT Gauge and face are filled with liquid glycerin to dampen "soften" vibration and reduce needle fluctuations (also extends gauge life). Air bubble in face in NORMAL and needs to be there for gauge to work properly. (liquid may be replaced if loss occurs, use only Marlin approved glycerin - do not overfill, leave a bubble about the size of a penny). Gauge is calibrated 0 to 60 or 0 to 100 by tens in 2-lb. increments.
Use wrench at base of unit to tighten - gently as needed - do not hold by gauge to tighten.
Start motor and check for leaks.
These premium quality gauges fit our rocker box head temperature kits used on Twin Cam and Evolution style motors.
Rubber fill plug is replaceable if needed. Oil pressure gauges fit in our head temp kits also available online.