Genuine OEM Volkswagen Turbocharger Oil Return Line, part number 03N145735M. This critical component is responsible for safely returning hot oil from the turbocharger assembly back into the engine's lubrication system. It is positioned as part of the turbocharger's oil circulation path. Weighing 0.191 kg, this line is designed for optimal fluid flow. Choosing a genuine OEM oil return line ensures precise routing geometry, resistance to high temperatures and oil degradation, and a leak-free connection, vital for turbocharger longevity and engine health.