Manufacturer: Delphi. Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. 2003 Ford E-350 Club Wagon Engine: 5.4L V8 CNG Naturally Aspirated; EngineVIN: M;. 2003 Ford E-350 Club Wagon Engine: 5.4L V8 GAS Naturally Aspirated; EngineVIN: L;.