Motorcraft Idler Pulley - YS339 Part #: YS339 Line: MOT Motorcraft Idler Pulley 2 Year LIMITED WARRANTY Belt Width (in): 1 Inch Contact Surface: Grooved Flanged: Yes Material: Plastic Bracket Included: Yes Pulley Type: Idler Pulley Width (in): 1-3/16 Inch Bushing Included: No Dust Shield Included: Yes Pulley Outside Diameter (in): 4-3/4 Inch Retainer Included: No Spacer Included: No Maximum Belt Width (mm): 25mm Number Of Pulley Grooves: 6 Pulley Inside Diameter (in): 0.687 Inch Show More Show Less