Caterpillar 241-2850 Aftercooler Core for C-9 Marine Engine - Used

Used Caterpillar OEM aftercooler core, P/N 241-2850, removed from a CAT C-9 marine diesel engine. This is the core component of CAT aftercooler assembly 315-8339. Copper/brass core with cast bronze end tanks and machined mounting flange; OEM part number stamped directly on the flange. Overall condition is a solid rebuild/recondition candidate — fins intact, joints appear sound, typical raw-water side oxidation around the port bores. Not pressure-tested; recommended to clean, pressure-test, and re-seal before service. Application: Caterpillar C-9 Marine Diesel Engine Condition: Used take-off, 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.