Genuine VW/Audi Exhaust Gas Differential Pressure Sensor - 1K0131552B: This genuine OEM VW/Audi Exhaust Gas Differential Pressure Sensor is a direct replacement part for the 1K0131552B model. It is designed to accurately measure the difference in pressure between the exhaust manifold and the intake manifold, providing essential data for the engine’s ECU. It is constructed from durable materials and is engineered to exacting specifications for a perfect fit and reliable performance.