Description
Detroit Diesel water-cooled exhaust manifold, casting number 5101775, for 71-series engines (6-71 inline or V-71 bank). Four-port cast iron manifold with integral water jacket and end coolant fittings. Application: Detroit Diesel 6-71 / V-71 marine and industrial diesel engines. Condition: Used take-off, surface rust and normal service wear, no visible cracks; not pressure-tested. Sold as a serviceable core / usable casting — recommend cleaning, magnaflux, and flange resurfacing before installation. Manifold will be drained and ports capped before 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.