The New Motorad Engine Coolant Thermostat Housing Assembly for BMW 790-217 is a high-quality replacement part designed for engine cooling systems. It features an integrated housing thermostat with a 217-degree opening temperature, making it suitable for specific BMW models. The assembly includes features such as a bleeder hole, four outlet ports, and is made of durable materials like plastic, stainless steel, and copper. With easy installation and compatibility with various interchange part numbers, this product ensures optimal performance and efficiency for your vehicle's engine cooling system.