Twin Disc 9996B Rear Cover Housing for MG502 Marine Transmission - Used

Twin Disc rear cover / tail housing, casting 9996B, for the Twin Disc MG502 marine transmission. Used take-off in serviceable condition — original paint with surface rust and typical shop wear; machined surfaces and bores look intact in photos. Ideal as a replacement housing during an MG502 rebuild or as a core. Application: Twin Disc MG502 marine gear. Condition: Used. 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.