PAI Industries, Inc. Fuel Check Valve Part No: 645050
$61.12
The PAI 645050 Fuel Pump Check Valve is precision-engineered for Detroit Diesel Series 60 engines, replacing OEM reference 23516993. Featuring a 0.200″ inside diameter, 3/8″ female × 5/8-18 male pipe threads, a 0.87″ hex head and ~2.40″ overall length, it ensures reliable fuel system sealing and backflow prevention. Manufactured in ISO-certified U.S. facilities and backed by a 2-year unlimited mileage warranty, this check valve is available through Wofford Truck Parts for dependable performance.
Specifications
The PAI Industries Fuel Check Valve, part number 645050, is a vital component for fuel delivery integrity on Detroit Diesel Series 60 engines. Designed to replace OEM part 23516993, this check valve has a .200″ internal diameter, a female thread of 3/8″, male pipe thread 5/8-18, an overall length of approximately 2.40″, and uses a 0.87″ hex for installation.
Made in USA in ISO-certified plants, with PAI’s standard 2-year unlimited mileage warranty, the 645050 ensures optimal operation of the fuel pump by preventing reverse fuel flow. Perfect for fleet usage or serious maintenance, each valve is built to OEM specifications. Available through Wofford Truck Parts, this check valve is an excellent replacement for worn or failed originals.
Compatibility
Freightliner – FLD, Century, Columbia, Coronado, Argosy (1987–2011)
Kenworth – T600, T800, W900 (1987–2011)
Peterbilt – 377, 378, 379, 386, 388 (1987–2011)
Western Star – 4700, 4900 (1990s–2011)
Sterling – Acterra, A-Line (late 1990s–2010)
International / Navistar – select transit & line-haul models (1987–2011)
Bus / Coach / RV / Specialty – various units powered by Series 60 engines (1990s–2011)
Alternative Part Numbers
- DDC23516993
- Detroit Diesel 23516993
- PAI 645050
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