The Tohatsu Bevel Gear B, part number 346-64020-1, is a high-quality replacement gear designed for use in Mercury/Mariner outboard engines. This bevel gear is specifically designed to fit and function seamlessly with the Mercury/Mariner 43-16138 1 model. It is made from durable materials to ensure long-lasting performance and reliability. Whether you are a professional mechanic or a DIY enthusiast, this Tohatsu bevel gear is an essential component for maintaining and repairing your outboard engine. Trust in the quality and compatibility of Tohatsu parts to keep your Mercury/Mariner engine running smoothly.