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Specifications

The PAI 645051 Fuel Check Valve is a precision-engineered component for Detroit Diesel Series 60 engines, intended to maintain fuel pump integrity by preventing reverse flow. It replaces OEM part 23516919 (also cross-referenced with 23509140) and fits fuel pump inlets on the Series 60 platform. Specifications include .200-inch inner diameter, 3/8-inch female pipe thread, ¾-16 male pipe thread, .87-inch hex for installation, and 2.40-inch overall length. Manufactured in the USA under strict ISO quality control, it carries a 2-year unlimited mileage warranty. Wofford Truck Parts supplies this valve to secure fuel systems in heavy-duty, high-demand environments.
Weight
0.29

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 – transit / line-haul models offering Series 60 (1987–2011)

Bus / Coach / RV / Specialty – various vehicles powered by Series 60 (1990s–2011)


Alternative Part Numbers

Detroit Diesel 23516919
Detroit Diesel 23509140
DDC23516919
DDC23509140
PAI 645051

Related Parts

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