Unidentified Machined Steel Flange / Clamp Ring - 12-Bolt - Used

Application: Unidentified machined steel flange / clamp ring with a 12-bolt pattern, likely from a marine heat exchanger, transmission SAE adapter, or exhaust/flange assembly. Condition: Used take-off, dirty with light surface oxidation, no cracks visible; sold without gasket or hardware. 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.