Oil Pump Relief Valve
The PAI Industries Oil Pump Relief Valve 641226, made from high-quality cast iron, is a direct replacement for Detroit Diesel part 23528691. Engineered for Series 60 engines, it prevents excessive oil pressure build-up between the oil pump and engine block. Built in ISO-certified U.S. facilities and backed by a 2-year warranty, this dependable valve from Wofford Truck Parts ensures lasting performance under heavy-duty conditions.
$115.07
Specifications
The PAI Industries Oil Pump Relief Valve, part number 641226, is a precision-engineered, cast-iron component designed to replicate OEM specifications. It replaces Detroit Diesel part 23528691 and cross-references the following numbers:
-
23505893
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23514738
-
23514767
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23526050
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23526138
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23528691
Designed for Detroit Diesel Series 60 engines, the relief valve effectively regulates oil pressure by easing excess pressure between the oil pump and the engine block. Manufactured in ISO 9001-certified facilities in the USA, it’s backed by a 2-year factory warranty and is engineered to meet or exceed OEM standards. Sold by Wofford Truck Parts, this valve is a reliable component for heavy-duty engine maintenance.
Compatibility
Kenworth (T600, T800, W900) 1987–2011
Peterbilt (377, 378, 379, 386, 388) 1987–2011
Western Star (4700, 4900) 1987–2011
Sterling (Acterra, A-Line) Late 1990s–2009/2010
International/Navistar (select models) 1987–2011
Bus/Coach/RV/Specialty applications Primarily 1990s–2011
Alternative Part Numbers
23505893
23514738
23514767
23526050
23526138
DDP641226
PAI641226