Yanmar 3-Cylinder Marine Diesel Cylinder Head with Cooled Exhaust Manifold - Used Core

Application: 3-cylinder marine diesel cylinder head assembly with integral cooled exhaust manifold, most consistent with a Yanmar 3-cylinder (3JH/3HM family) or similar Kubota-based marine diesel (Universal/Westerbeke). Condition: Used core — heavy paint flaking, surface rust on the fire deck and valve seats, valves present, no visible cracks noted but not pressure-tested or magnafluxed. Sold as a rebuildable core / parts donor. Ports will be capped and the assembly shipped dry. 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.