[Vehicle Fitment]: Compatible with Hyundai Azera 2011-2014, Sonata 2013 (FULL HYBRID EV-GAS (FHEV); To 7/03/13), Sonata 2012-2013 (GAS; With Sport Suspension), Sonata 2012 (FULL HYBRID EV-GAS (FHEV)), Sonata 2011 (GAS; From 6/01/11; With Sport Suspension; FULL HYBRID EV-GAS (FHEV); From 5/27/11); Compatible with Kia Optima 2011-2013 (From 5/30/11) [Installation Position]: Front Left Driver Side [Professional Replacement]: A-Premium Sonata steering knuckle is the replacement for above model's suspension system, and may help you resolve those problems: ① hard braking ② difficult turning of wheels ③ uneven tire wear ④ abnormal shaking [Specification]: Condition: Brand New; Material: Steel; Hub Included: No; Axle Included: No; Ball Joint Included:No ; About Warranty:1-Year [Reference Part Number]: The OE number of our A-Premium steering knuckle is 698-089, 698089, 517152T110 Brand Name A-Premium Manufacturer PremiumpartsWhosale Material Type Cast Iron Warranty Description One Year Unlimited Mileage Quality Guarantee. The guarantee will be only for the cost of the item, we will not responsible for installation or other fees like labor expenses, towing expenses, additional repair expenses or other related expenses.