Part Type: Accessory Drive Belt Idler Pulley. Idler / Tensioner Pulley. Pulley Type: Back Idler. Style: Idler / Tensioner Pulley. 1990 Ford E-250 Econoline Engine: 5.0L V8; Dealer Installed AC;. 1990 Ford E-250 Econoline Engine: 5.8L V8; Dealer Installed AC; w/ 60 Amp Alternator;.
