Genuine OEM Audi Pressure Differentiator Control Line, part number 3C0131552G. This complex assembly, featuring integrated sensors and metal lines, is designed to transmit signals for accurate pressure differentiation control within the engine system. It plays a critical role in various engine management functions, including emissions and performance. The unit is configured for Left-Hand Drive (LHD) vehicles and weighs approximately 0.377 kg. Opting for a genuine OEM control line ensures precise sensor calibration, correct signal integrity, and durable construction for reliable long-term operation.