The product is a Genuine GM Parts 11562426 Engine Water Pump Bolt by ACDelco. This engine water pump bolt is designed specifically for GM vehicles and is a new, high-quality part manufactured by GM. It is not a performance part, making it a reliable and durable component for maintaining the proper functioning of the engine's cooling system. Ideal for car and truck owners looking for a genuine GM replacement part, this water pump bolt ensures a secure and efficient connection for optimal engine performance.