Gates DriveAlign Idler/Tensioner Pulley - 36659 Part #: 36659 Line: GAT Gates DriveAlign Idler/Tensioner Pulley 1 Year Limited Warranty Contact Surface: Smooth Backside Flanged: No Material: Steel Number Of Pulleys: 1 Pulley Outside Diameter (mm): 74mm Pulley Width (mm): 47mm Number Of Pulley Grooves: 0 Pulley Inside Diameter (mm): 20mm Show More Show Less