Accessory Drive Belt Idler Pulley For Toyota RAV4 Sienna For Lexus No.1662031031

OE Number:16620-31031/16620-31020/16620-31021/16620-3103/16620-31050/16620-31040Fitment for Toyota FJ Cruiser 06-11 for Toyota Highlander 07-17 for Toyota RAV4 III 07-17 for Toyota Sienna 10-17 for Toyota Venza 08-17 for Lexus GS300 2006 for Lexus GS350 07-14 for Lexus IS250 06-15 for Lexus IS300 16-17 for Lexus IS350 08-17 for Lexus RC300 16-18 for Lexus RC350 15-18 for Toyota Alphard 08-17 for Toyota Vellfire 08-17 for Toyota Aurion 11-17 for Toyota Crown Saloon 03-12 for Toyota Estima Iii 06-17 for Toyota Land Cruiser Prado 10-17 for Toyota Mark X Zio 07-17 for Toyota Reiz I 04-17 for Toyota Reiz Ii 09-17 Specifications Material: Steel Outside Diameter: 7cm/2.8in Width: 4.5cm/1.8in Inside Diameter: 1cm/0.4in Package: 1x Accessory Drive Belt Idler Pulley This is a non-OEM product, accessory only! Features It maintains proper tension on the accessory drive belt (serpentine belt) to ensuring smooth operation. It guides and redirects the belt around engine components, prevents the belt from rubbing or jumping off pulleys. It reduces belt vibration and wear, absorbs vibration from the spinning belt. No grooves, adopt with robust steel to withstand constant friction, heat, and mechanical stress, high strength to resists warping under tension, handles heat well. Sealed Ball Bearing for smooth rotation, resists dirt/moisture, prolong the service life. Signs of a Failing Idler Pulley: High-pitched squealing or grinding (bad bearing). Belt chirping at startup or acceleration. Visible wobbling when the engine runs. Belt damage (cracks, fraying from misalignment).