PAI 645050 Fuel Check Valve – Detroit Diesel Series 60 12.7L 14L ISB 25-9/16 in center-to-center — replaces

25-9/16 in center-to-center — replaces Peterbilt C65-6009

Genuine OEM spring brake priority valve from Meritor (Sealco-built)

Volvo 478362

Off-highway / industrial DT466-powered equipment

PAI 645050 Fuel Check Valve – Detroit Diesel Series 60 12.7L 14L ISB 25-9/16 in center-to-center — replacesPAI 645050 is an aftermarket fuel pump check valve for Detroit Diesel Series 50 (8. 5L) and Series 60 (11. 1L 12. 7L 14. 0L) engines, replacing Detroit OEM 23516993. The valve sits in the fuel return path and holds prime when the engine is shut down, preventing fuel from draining back to the tank and the long crank no start that follows. Threaded 3 8 in female 5 8 in 18 male, 2. 40 in long, 0. 87 in hex. Signs You Need a New Fuel Check Valve Hard