The GM#22532158 Heater Water Flow Control Valve is a genuine General Motors part made in the United States. This OEM part number 22532158 is specifically designed for controlling the water flow to the heater in a vehicle. It is a new old stock (NOS) item, ensuring high quality and compatibility with the vehicle's original specifications. This valve is essential for maintaining proper heating performance in the car or truck, making it a reliable choice for automotive repair and maintenance.