This Napa Echlin engine oil pressure switch is a perfect fit for your Jeep Comanche or Buick Century. It is a vintage part with a screw-in mounting style and a mini-blade terminal type. The switch is made of metal and has a gray connector color. The switch features easy installation, wired connection, and a direct fit. It is an engine oil level sensor with one sensor and does not have universal fitment. The manufacturer part numbers are OP6638 and PS-155, while the OE/OEM part numbers are 53005218, 14078917, 53000834, 10030966, and 14078954. This switch is not a performance part and is not intended for off-road use.