Pai 450552 Navistar 505027C1 Air Conditioner Pressure Switch

Air Conditioner Pressure Switch 12V 65-75 psi 1 Term International Multiple Application

• Part number: 450552
• OE MFG: NAVISTAR
• OEM Reference: 505027C1
• Cross Reference: FREIGHTLINER TRUCK PARTS : FSC17454321; MACK : 4333-451494C1, 4333-471873C1, 4333-471873C2, 4333-505027C1, 4333-777700C91, 4333-872707R91; NAVISTAR : 451494, 451494C1, 471873, 471873C1, 471873C2, 505027, 505027C1, 777700, 777700C91, 872707, 872707R91; OTHER : 1745-4321, S-4817
• Product Class: Air Switches

The PAI 450552 is an air conditioner pressure switch listed for International multiple applications, with 12V operation, a 65–75 psi pressure range, and one terminal. In an air-conditioning system, this switch responds to refrigerant pressure and opens or closes an electrical circuit to manage compressor operation, making it a relevant component among heavy duty diesel truck parts. Navistar identifies 505027C1 as the OEM reference, while FSC17454321 and 4333-451494C1 provide additional cross-reference information.