The Tohatsu Bevel Gear B, part number 3B2-64020-1, is a high-quality replacement gear designed for use in Mercury/Mariner outboard engines. This bevel gear is specifically designed to fit the 43-803740 1 model. It is made from durable materials to ensure long-lasting performance and reliability. Whether you are a professional mechanic or a do-it-yourself enthusiast, this Tohatsu bevel gear is the perfect choice for maintaining and repairing your outboard engine. With its precise fit and exceptional quality, you can trust this gear to deliver optimal performance and smooth operation. Upgrade your Mercury/Mariner outboard engine with the Tohatsu Bevel Gear B and experience improved efficiency and power on the water.