Wear-resistant internal valve core ensures flexible opening and closing, not easy to get stuck. 1/4PCS For Vw For Polo Fuel Injector Nozzle 036906031M 036 906 031M ; Made of robust materials with good abrasion resistance, it can withstand high temperatures and pressures, ensuring long-term stable operation and reducing maintenance frequency； Designed with user convenience in mind, the installation process is simple and straightforward, saving maintenance time and energy； High flow design makes power output more smooth and improves driving experience., Manufacturer: QDouiMOO