Bronze End Cap / Cover - Marine Heat Exchanger or Cooler - Used

Application: Bronze end cap / cover consistent with a marine heat exchanger, oil cooler, or cooling-system pressure vessel. Unmarked casting with central bore boss and peripheral fastener holes. Approx. 5 in OD. Condition: Used take-off with heavy verdigris patina and surface corrosion; no visible cracks. 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.