Genuine OEM Volkswagen Upper Intercooler Hose, part number 4M0145944A. This hose is designed to transport compressed air to and from the intercooler, playing a critical role in the engine's intake system. It is positioned in the upper section of the intercooler assembly. Constructed from durable, flexible material, this hose is built to withstand high pressures and temperatures. Choosing a genuine OEM hose ensures correct routing geometry, secure connections, and long-term resistance to engine bay conditions.