Description
Aftermarket cast aluminum coolant / water passage adapter flange for Yanmar marine diesel engines, stamped R124028A with 'FIT YANMAR' etched on the casting. Two-bolt oval flange with two machined port bores feeding a common internal chamber. Condition: new / unused, clean machined faces, no corrosion or thread damage. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.