Skip to content Skip to navigation menu
Live Chat

Upper Unit Assembly for Mercruiser Stern Drives


Model # 3735594 | Mfg # 18-2453
Ships directly from the vendor
Built with proven components, the gears in these units have passed a 300 hour extreme endurance test with flying colors. All units are pressure and vacuum tested and subjected to stringent quality control tests at every step of the manufacturing process.
  • replaces: Mercury Marine 1547-9412A23

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.