Detroit Diesel Aftercooler Core - Used Take-Off

Application: Believed to be a Detroit Diesel 71 Series (6V71/8V71) or 92 Series marine/industrial aftercooler / oil cooler core — exact model to be confirmed by casting number and engine serial. Condition: Used take-off, sold as a core / rebuildable. Exterior oil film, surface rust on end plates, fins largely intact; not cleaned or pressure-tested. 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.