This Tesla Model 3 Expansion Coolant Tank / Pump Assembly is a genuine OEM part that is made to exact factory specifications. It is made from high-quality materials and is designed to keep your car’s cooling system running smoothly. This part is easy to install and will help to keep your car safe and reliable. It is made of high-quality plastic and metal and is designed to fit perfectly on your Tesla Model 3. It is easy to install and can be done by a DIYer with basic tools. This expansion coolant tank / pump assembly will help to keep your car’s cooling system running smoothly and prevent overheating.