HVAC Pressure Switch. Global Parts Distributors. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure. 203720, 29-30288, 2930288, 37320, 43-MT1633, 43MT1633, 92137-0W000, 921370W000, ACA1751, E95-1139, E951139, MT1633, MT1633-10, MT1633-20, MT1633-5, MT163310, MT163320, MT16335, SW 11151, SW 11151C, SW11151.
