Genuine OEM Volkswagen Diesel Particulate Filter, part number 03N131656GX. This filter captures soot and particulate matter from diesel exhaust gases, playing a crucial role in emissions control. It is located at position 7 in the diagram. The filter has a weight of 11.679 kg and dimensions of 0.42 m x 0.2 m x 0.24 m. Genuine OEM diesel particulate filters are engineered to meet strict emissions standards and maintain optimal engine performance.