Fits 2000-2002 Ford E-450 Econoline Super Duty. Part Type: Accessory Drive Belt Tensioner Pulley. 2000 Ford E-450 Econoline Super Duty Engine: 7.3L V8; Dual Pulley; Position: Grooved Pulley;. 2001 Ford E-450 Econoline Super Duty Engine: 7.3L V8; Dual Pulley; Position: Grooved Pulley;.