Specification: Condition: 100% Brand New Product Material: Metal, Plastic Fitment Type: Direct Replacement Placement on Vehicle: Front Manufacturer Warranty: 1Year Part Number: 90K-38416 Idler Pulley Bearing Bore Inside Diameter (MM): 17 Contact Surface: Smooth/Backside Groove Quantity: 0 Material: Steel Outside Diameter (MM): 90 Pulley 1 Flanged: No Pulley Quantity: 1 .