Cummins 3974815 Engine Oil Cooler Core for 6C 6CT 6CTA 8.3L ISC QSC ISL - Used

Used Cummins 3974815 engine oil cooler core (plate-stack bundle) for Cummins 6C, 6CT, 6CTA 8.3L, ISC, QSC, and ISL engines in marine, industrial, and on-highway applications. Take-off unit in serviceable used condition with normal discoloration and no visible damage in photos; not pressure tested. Drained and ports covered 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.