Pai 450548 Navistar 598860C1 Parking Brake Light Switch

Thread Size: 1/4in-18 NPT w/ Locking Compound Normally Open and Closes at 5psi Application: Navistar Universal

• Part number: 450548
• OE MFG: NAVISTAR
• OEM Reference: 598860C1
• Cross Reference: FREIGHTLINER TRUCK PARTS : FSC17493110; MACK : 4333-598860C1; NAVISTAR : 598860, 598860C1; OTHER : 1749-3110, S-9093
• Product Class: Air Switches

The PAI 450548 parking brake light switch is listed for Navistar universal applications and uses a 1/4in-18 NPT thread with locking compound. This normally open switch closes at 5 psi, while parking brake switches generally respond to air pressure changes to control a warning-light circuit; it is a relevant component among heavy duty diesel truck parts. NAVISTAR identifies 598860C1 as the OEM reference, with Freightliner Truck Parts FSC17493110 and Mack 4333-598860C1 as cross-references.