Hyundai Kia DPF Differential Pressure Sensor 39251-2A600 The 39251-2A600 DPF Differential Pressure Sensor is designed for Hyundai and Kia CRDi diesel engines to monitor the pressure difference across the Diesel Particulate Filter (DPF). It helps the ECU determine soot accumulation and triggers regeneration when required, ensuring proper exhaust emission control and optimal engine performance. Compatible with several Hyundai and Kia diesel vehicles including Creta, Venue, Verna, Seltos, Carens, i20, Elantra, Alcazar and Tucson.