Yanmar Heat Exchanger Assembly for 6LP / 6LY Series Marine Diesel - Used

Application: Yanmar 6-cylinder marine diesel heat exchanger assembly, consistent with 6LP-STE / 6LPA-STP / 6LY-series engines. Cast aluminum housing with OEM 'YANMAR' logo, integrated fresh-water and raw-water passages, bolt-on end covers, and raw-water hose barbs. Condition: Used take-off. Housing is intact with no visible cracks; shows surface oxidation, minor verdigris/salt residue around the raw-water end, and gasket residue on flange faces. Internal tube bundle not tested — recommend pressure test or re-core before service. Will be drained and ports capped for shipping. 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.