[Vehicle Fitment]: Compatible with Ford Explorer 2006-2010, Explorer Sport Trac 2007-2010; Compatible with Mercury Mountaineer 2006-2010 [Installation Position]: Front Left and Right, Driver and Passenger Side [Professional Replacement]: A-Premium Explorer 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: Cast Iron; Hub Included: No; Axle Included: No; Ball Joint Included: No; About Guarantee: 1-Year (12 Months) [Reference Part Number]: The OE number of our A-Premium steering knuckle is 7L2Z-3K185-A, 7L2Z3K185A, 6L2Z3K185A, 698-110, 7L2Z3K186A, 6L2Z3K186A, 698-111, 515-00111L