Cast Iron Marine Housing 1027-B - Used

Cast-iron marine housing / case with cast identifier **1027-B**. Appears to be from a vintage marine diesel — possibly a reduction gear / transmission case, bell/gear housing, or heat exchanger / expansion tank casting. Repainted, bare casting, no internals included. Application: unconfirmed — buyer assistance in identifying OEM is welcome. Condition: Used, take-off, 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.