This Genuine Tohatsu Marine Part is a timing belt with the part number 3AC-10045-0. It is designed specifically for Tohatsu outboard motors and is a crucial component in the engine's timing system. The timing belt ensures that the engine's valves open and close at the correct time, allowing for efficient combustion and optimal performance. This high-quality part is made to withstand the demanding marine environment and is built to last. It is recommended to replace the timing belt at regular intervals as part of routine maintenance to prevent any potential engine damage. The part number 8M0072670 may be an alternative or superseded part number for the same timing belt.