1997-2002 Ford E-350 Econoline Club Wagon Rear Oxygen Sensor Fitment: 1998-1999/Ford/E-350 Econoline Club Wagon::Fuel Type=BI-FUEL; Position=Front^^1997-1999/Ford/E-350 Econoline Club Wagon::Fuel Type=CNG; Position=Front^^1997-2002/Ford/E-350 Econoline Club Wagon::Position=Rear^^1990-1995/Ford/E-350 Econoline Club Wagon//4.9L L6^^1996/Ford/E-350 Econoline Club Wagon//4.9L L6::Position=Front^^1998-1999/Ford/E-350 Econoline Club Wagon//5.4L V8::Fuel Type=GAS; Position=Front^^2000/Ford/E-350 Econoline Club Wagon//5.4L V8::Position=Rear^^1995/Ford/E-350 Econoline Club Wagon//5.8L V8^^1996/Ford/E-350 Econoline Club Wagon//5.8L V8::Position=Front^^1998-1999/Ford/E-350 Econoline Club Wagon//6.8L V10::Position=Front^^2000-2001/Ford/E-350 Econoline Club Wagon//6.8L V10::Position=Rear^^1994-1995/Ford/E-350 Econoline Club Wagon//7.5L V8^^1996/Ford/E-350 Econoline Club Wagon//7.5L V8::Position=Front