Genuine OEM Volkswagen EGR pipe connecting pipe, part number 03G131521AT. This component is part of the Exhaust Gas Recirculation (EGR) system, which helps to reduce nitrogen oxide emissions by recirculating exhaust gases back into the engine's combustion cycle. It connects sections of the EGR system. Manufactured from durable materials to withstand high temperatures and exhaust pressures. Genuine OEM EGR pipes ensure proper sealing and flow, critical for emissions control.