The product is a genuine OEM electronic control module (ECM) for a 2002 Toyota Tundra 2WD vehicle. It is designed for easy installation on the front of the vehicle and features pin terminals. The ECM has a manufacturer part number of 89661-0C351 and is compatible with interchange part number 590-59019. This used ECM is from the same make and model of the vehicle and is a reliable replacement part for controlling the engine's electronic systems.