Sen-Dure 468 Dual-Barrel Marine Oil / Transmission Cooler Heat Exchanger - Used Core

Sen-Dure Model 468 dual-barrel bronze marine oil / transmission cooler (heat exchanger). Application: engine oil, transmission oil, or auxiliary fluid cooling on marine diesel installations (Perkins, Detroit Diesel, Volvo Penta and similar) using the Sen-Dure 468 twin-tube cooler. Condition: used core — bronze shell shows heavy verdigris and service staining; not pressure tested; ideal candidate for re-tube and rebuild. Cast 'SEN-DURE' end caps and '468' housing markings confirmed. Fluids will be drained and ports capped before shipment. 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.