HVAC Pressure Switch. Air conditioning stopped working?. It could be as simple as the pressure switch. Warranty Duration. 1S16870, 37340, ACA2003, CCS445, HG1Z19D594A, PCS145, YH2034. Part Numbers. BWD AUTOMOTIVE, CARQUEST PREMIUM VEHICLE SOLUTIONS, FORD OE, FOUR SEASONS, MOTORCRAFT A/C KITS, O'REILLY/STD, O'REILLY/STI, STANDARD MOTOR PRODUCTS, WELLS.
