Part Type: Accessory Drive Belt Tensioner Pulley. Pulley Bearing Quantity: 1. Pulley Bearing Width (mm): 12 MM. Manufacturer: Dorman. 2003 Ford E-150 Club Wagon Engine: 5.4LL V8; w/Air Conditioning;. 2004 Ford E-150 Club Wagon Engine: 5.4LL V8; w/Air Conditioning;.