The Meyle Expansion Tank - 1002230015 is a high-quality replacement part for a vehicle's cooling system. It is designed to hold excess coolant and allow for expansion and contraction as the engine heats up and cools down. This expansion tank is made from durable materials and is built to withstand high temperatures and pressure. It is compatible with various makes and models of vehicles and is an essential component for maintaining proper engine temperature and preventing overheating.