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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Kenworth T660 / T680 / T800 / W900 with Paccar-spec Fuel Pro 382 (2007-present)
Reads nitrogen oxide concentration entering the catalyst so the engine controller can dose DEF accurately
Manufacturer Fleetguard Part Number HF6522 Part Type Spin-On Hydraulic Filter Thread Size 1-12 UNF-2B Overall Height 5
Bolt-in replacement that automatically adds or removes air from the suspension bags to maintain a constant design ride height under varying load
ContiTech: AS9069
PAI 645050 Fuel Check Valve – Detroit Diesel Series 60 12.7L 14L Transmission Parts Kenworth T660 / T680 /PAI 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