Compatible with :
fits for 1998-2003 Ford E-350 7.3L V8 Powerstroke Turbo Diesel; fits for 2000-2003 Ford Excursion 7.3L V8 Powerstroke Turbo Diesel; fits for 1999-2003 Ford F-250 Super Duty 7.3L V8 Powerstroke Turbo Diesel; fits for 1999-2003 Ford F-350 Super Duty 7.3L V8 Powerstroke Turbo Diesel. Part number : The EBP sensor tube replaces 1C3Z9D477AA, 1C3Z-9D477-AA, 1837875C1. The exhaust back pressure sensor replaces 1850353C1, 1850353C2, 4C3Z9J460A, 1807330C1, 1837012C1, 1850353, F7TZ9J460AA, 4C3Z-9J460-A, F7TZ-9J460-AA, 3C3Z9J460AA, 3C3Z-9J460-AA, 1840078C1, F4TZ-9J460-A, 1C3Z-9J460-A. Function: This function is to transmit signals related to exhaust pressure, mainly connecting the exhaust manifold with the vacuum pipe. Under different engine speed loads, it senses the changes in vacuum in the exhaust manifold, and then converts the changes in sensor internal resistance into voltage signals for ignition timing angle Package Included: 1 × Exhaust Back Pressure Sensor, 1 × Exhaust Back Pressure Sensor Tube, 1 × Wire Harness, 3 × Connecting Tubes.