Cast Iron Keyed Shaft Coupling / Flanged Drive Hub - Used

Application: Unidentified heavy cast iron flanged shaft coupling / drive hub with keyed bore (dual keyways) and 12-hole bolt flange — likely a marine transmission-to-shaft coupling, PTO/pump drive hub, or industrial companion flange. No manufacturer markings or part number legible. Condition: Used, take-off, sold as-is with heavy surface rust and weathered paint. Structurally appears sound with intact keyways and bolt holes. 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.