Function: The coolant control valve can transfer the heat of gas into the intake manifold before the engine reaches normal operating temperature, thereby increasing the engine warm-up speed and improving emission performance and fuel economy during cold start
High-quality Materials: Our coolant water pump used of Mercedes Benz is made of high-quality metals and plastics and is made with exquisite technology to withstand high temperatures and corrosion, bringing you a different driving experience
Pre-shipment Check: We inspect each engine water pump before shipping to ensure it meets high-quality standards. Please check whether it suits your car model before purchasing. Please let us know if you have any questions, and we will give you a satisfying solution. To contact us, access your Amazon account > Click "Your Orders" > Locate the Order ID > Click "Contact Seller