Optimal Compatibility: This for particulate filter (DPF) differential pressure sensor is designed for engines and is a perfect match for part numbers 4307786 and 2871960, offering superior performance. Enhanced Engine Performance: By accurately measuring exhaust pressure, this sensor helps maintain optimal performance of the vehicle's for particulate filter, thereby improving overall engine efficiency. and Reliable: Constructed with high-quality materials, this sensor can withstand harsh engine environments, ensuring a long service life and high reliability. Easy Installation: This sensor includes all necessary mounting components, making installation easy and convenient, ideal for professionals and DIY enthusiasts. and Support: This product comes with a comprehensive and excellent customer support to your satisfaction. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.