Speedometer coupling kit for MerCruiser Alpha one, marineparts.eu
Oops! Where did that tree come from? Speedometer - BoatingABC.com
Genuine Mercury & Mercruiser parts. BELL HOUSING
Bushing Shift Shaft for Mercruiser Alpha One Gen. II 23-815921A21 [SIE18-2353] - $26.95 : ebasicpower.com, Marine Engine Parts | Fishing Tackle | Basic Power Industries