This Genuine Tohatsu Marine Part is a tachometer lead wire with the part number 3KY-72539-0. It is designed specifically for Tohatsu outboard motors and is used to connect the tachometer gauge to the engine. This lead wire ensures accurate and reliable tachometer readings, allowing boat owners to monitor the engine's RPM (revolutions per minute) and maintain optimal performance. Made with high-quality materials, this Tohatsu tachometer lead wire is built to withstand the harsh marine environment and provide long-lasting durability. It is a genuine OEM (Original Equipment Manufacturer) part, ensuring compatibility and seamless integration with Tohatsu outboard motors.