Sen Dure Bronze End Cover For Marine Cooler / Heat Exchanger, 5-3/4 In. - Used

Bronze end cover / end plate for a marine heat exchanger or oil cooler, approximately 5-3/4 inch diameter, with machined sealing face, outer gasket register, and a center brass threaded boss with hex bolt. Dealer tag identifies it as a Sendure (Sen Dure) cooler end cover, number 5026 — the 5026 is also cast into the bronze face and is provided as a reference/cast number, not a confirmed orderable OEM service number. Application: marine heat exchanger / oil cooler end cover — specific cooler model and engine application are NOT verified. Condition: used take-off, untested. Cleaned bronze with light scratches and small spots of green oxidation on the sealing face; no cracks or repairs observed. Gasket, O-ring, and additional hardware not included unless shown in the photos. 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.