Detroit Diesel 6-71 Inline 6 Cylinder Head - Used Core

Application: Inline 6-cylinder marine diesel cylinder head, most consistent with a Detroit Diesel Series 71 (6-71) engine. Sold as an unrebuilt core for rebuild, reconditioning, or parts reclamation. Condition: Used core. Heavy external rust, carbon on valve faces, corrosion in water jackets, and green paint/verdigris remnants. Valves and springs still installed on one bank. Not decked, not pressure-tested, not Magnafluxed — crack status and deck flatness unknown. Handwritten shop tag present but no clearly legible OEM casting/part number captured. 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.