Engine Oil Pressure Sensor Switch Compatible with Acura Honda,Oil Pressure Sending Unit OEM#37240-R70-A02,37240-R70-A03 with O-Ring OEM#91319-PAA-A01,Good Tightness Car Accessories. Tight Connection: The built-in o-ring of the oil sending unit seals out external contaminants and the risk of leakage with an excellent seal, constantly monitoring the oil pressure for you and avoiding engine wear due to insufficient pressure or leakage.
