Genuine OEM Volkswagen Turbocharger Supply Line, part number 03L145771Q. This line is a critical component for the turbocharger system, responsible for transporting essential fluids such as oil or coolant to ensure proper lubrication and cooling of the turbo. It is positioned as part of the turbocharger assembly. The line is constructed from durable metal, measuring approximately 0.285 meters in length. Choosing a genuine OEM supply line ensures precise routing geometry, correct material specifications, and resistance to high temperatures and pressures, preventing leaks and maintaining turbocharger reliability.