Made of material, durable, reliable oil pressure part, replacement for the old or broken oil pressure sensor.. Wiring: case for grounding. S for resistance output, 10 - 180 ohms; WK for low pressure (30 psi) warning output, it is a switch to ground (case). 30 psi alarm is the best (20%) point for 150 psi pressure sender.. Easy installation and maintain, just tighten the threads, the thread is 1/8-27 NPT. Package Include: 1x oil pressure sender..
