Detroit Diesel 6-71 Aftercooler Core - Used

Application: Detroit Diesel 6-71 series marine/industrial engine aftercooler (charge-air-to-seawater intercooler core). Copper/brass core with hose-barb water connections and bolt-in mounting flange, hand-marked '6-71 AFTER COOLER.' Condition: Used take-off in serviceable-appearing condition with normal patina and minor cosmetic wear. Not pressure-tested; sold as-is. 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.