1997 Ford E-350 Econoline Club Wagon Engine: 5.4L V8; Molded Rubber; Thermostat O-Ring;. 1997 Ford E-350 Econoline Club Wagon Engine: 6.8L V10; Molded Rubber; Thermostat O-Ring;. 1998 Ford E-350 Econoline Club Wagon Engine: 5.4L V8; Molded Rubber; Thermostat O-Ring;.
