Notes: Accessory Drive Belt Idler Pulley -- Idler Pulley. 1998-2000 Lexus GS400 4.0L V8. Fixes a failed, squealing or groaning noise from a worn idler pulley. Belt Type: Serpentine. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
