Original Equipment (OE) Number: 9T1Z9F836A, 9T1Z9F836B, 9T1Z9F836C 2020 Freightliner Cascadia 126 6x4 Sleeper Truck Tractor | Ritchie Bros. Auctioneers Dorman Accelerator Pedal Assembly 699-128 - Advance Auto Parts Replacement Gas Pedal Sensor Dorman accelerator pedal assemblies restore proper operation and prevent drivability problems with the pedal sensor. They feature high-quality materials and include installation hardware, as well as step-by-step instructions It features high quality materials-and significant cost savings. Dorman 699-203 Accelerator Pedal Position Assembly | XDP Restore the accelerator pedal to proper operation, and prevent drivability problems with Dorman's Accelerator Pedal Sensor.