2014 Ford Econoline Wagon Engine: 4.6L V8; wo/Air Conditioning | w/6 Rib Serpentine Belt;. 2014 Ford Econoline Wagon Engine: 5.4L V8; wo/Air Conditioning | w/6 Rib Serpentine Belt;. 2010 Ford Econoline Wagon Engine: 4.6L V8; wo/Air Conditioning | w/6 Rib Serpentine Belt;.