Genuine OEM Audi Fuel System Diagnosis Pump, part number 8J0906201A. This pump is a critical component designed to assist in diagnosing issues within the fuel system, often related to leak detection or pressure testing. It is integrated into the fuel tank assembly. Weighing approximately 1.06 kg, this pump is built to precise factory specifications. Using a genuine OEM pump ensures accurate diagnostic capabilities and reliable performance for maintaining fuel system integrity and emissions compliance.