The Dorman Exhaust Gas Differential Pressure Sensor ensures you are Ready for the Road Ahead , ensuring your semi truck provides the proper emissions control required. Successfully examine exhaust gases as it travels through the diesel particulate filter (DPF) or a selective catalytic reduction (SCR) system. The information is transmitted to the Engine Control Unit (ECU) by this DPF sensor, allowing the ECU to make necessary modifications for ideal engine performance while reducing the harmful emittance of emissions. Dorman has a distinguished reputation in the heavy duty truck and trailer aftermarket, manufacturing a variety of parts for a complete repair. Through advanced engineering, Dorman successfully checks into today’s most common failures to figure out the why, ultimately delivering modern solutions that not only match OEM parts, but solve known issues. FleetPride is your First Click in Heavy Duty .