Yanmar Oil Pump Assembly with Drive Gear and Pressure Relief - Used Take-Off

Application: Used gear-driven engine oil pump for small-bore Yanmar diesel engines and Yanmar-based OEM applications — commonly the 3TN/3TNV82, 3TNE84 / 4TNE84, 4TNV84 / 4TNV88, and 3D/4D84 families found in Yanmar industrial and marine engines, John Deere compact tractors (650/750/850/950/997), Komatsu compact equipment, and Thermo King TK486 reefer units. Complete assembly with drive gear, pressure relief, gerotor housing, and mounting flange. Condition: Used take-off. Casting and gear teeth appear intact with normal service wear and light surface oxidation; not tested, not rebuilt. 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.