Detroit Diesel Oil Pressure Regulator Valve Assembly - Used

Application: Marine / industrial diesel engine oil pressure regulator (relief) valve assembly, believed to be Detroit Diesel Series 71 family. Cast two-flange body with integral spring-loaded relief valve and hex cap. Condition: Used take-off, sold as-is and untested. Light surface oxidation and shop soil, no visible cracks or thread damage. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.