Description: It is connected to various engine drive components through a belt drive system and helps to ensure that these components receive power from the rotating crankshaft to perform important functions. This Idler pulley fits for Lexus ES 350 when using a short water pump. It can change the bending direction of the belt, prevent the belt from shaking, making the belt better contact with another pulley and not fall off. This is a non-OEM product, accessory only! Specification: Color: Silver Tone Material: Metal Center Hole Diameter: 10mm / 0.39'' Size: 3.2x7cm / 1.26''x2.76''(H*D) OE Number: 1660431020,166040P011 Fitment: for Toyota Hilux 2.7l L4 2005-2008 for Toyota Avalon 3.5l V6 2005-2022 for Toyota Camry 3.5l V6 2007-2022 for Toyota Highlander 3.5l V6 2008- 2022 for Toyota Rav4 3.5l V6 2016- 2012 for Toyota Sienna 3.5l V6 2007- 2020 for Toyota Tacoma 3.5l V6 2016- 2022 for Toyota Tacoma 4.0l V6 2005- 2015 for Toyota Venza 3.5l V6 2009- 2016 for Toyota 4runner 4.0l V6 2003-2022 for Toyota Fj Cruiser 4.0l V6 2007- 2014 for Toyota Tundra 4.0l V6 2005-2014 for Toyota Tundra 4.6l V8 2010-2011 for Lexus Is250 2.5l V6 2006-2015 for Lexus Gs300 3.0l V6 2006 for Lexus Es350 3.5l V6 2007- 2022 for Lexus Gs350 3.5l V6 2007-2020 for Lexus Is300 3.5l V6 2016- 2020 for Lexus Is350 3.5l V6 2016-2020 for Lexus Rc300 3.5l V6 2016-2022 for Lexus Rc350 3.5l V6 2015- 2022 for Lexus Rx350 3.5l V6 2007- 2022 Package Included:1 x Accessory Drive Belt Idler Pulley