APPLICABLE MODELS - Air Fuel Ratio Sensor Compatible with Azera 2006-2011,Entourage 2007-2010,Sonata 2006-2010. FIT VEHICLES - O2 Oxygen Sensor Compatible with Amanti 2007-2009,Sedona 2006-2010,Sorento 2007-2009. FUNCTION - DOSKJOK Oxygen Sensors are manufactured under rigorous scientific standards and 100% tested out of the factory.It is more durable, oxidation resistant and high temperature, to ensure long-term stable performance, improve vehicle fuel economy, help engine smooth operation, reduce exhaust emissions and enhance environmental protection. INSTALL - Oxygen Sensors directly replace the old parts in the original position of the installation without change,easy to install on your vehicle, and come with pre-coated threads to assist installation. NOTES - Please carefully check your vehicle year & make & model，pictures and parts No to confirm the compatibility before purchasing. Please let us know if you have any questions. ✔️CAUTIONS ✔️Pls carefully verify your year & make & model in the product details or check your parts pictures, parts No with ours before purchasing so as to prevent wrong purchasement and unnecessary expenses. ✔️If you find the parts not fit your car when you received, pls kindly send it back with undamaged package. Thank you! ✔️Please let us know if you have any questions，we will reply you in 24 hours and offer the solve way for you.