Front axle replacement for 2015 2016 2017 2018 2019 Hyundai Sonata (L4 2.4L GAS) - [2016 2017 2018 2019 2020 Kia Optima (L4 2.4L GAS)] Interchange: Left Axle: 66-3829, 60-3829, 49500C2210. - [Right Axle: 49501C2260, NCV71001K, 663830, 66-3830.] Specifications: Front Left CV Axle / Overall Length: 26.42 in / Inner Spline: 27 / Outer Spline: 30 / Inner Shape: Male / ABS on Axle: Yes. - [Front Right CV Axle / Overall Length: 38.39 in / Inner Spline: 27 / Outer Spline: 30 / Inner Shape: Male / ABS on Axle: Yes.] Bundle Includes: 1x Front Left CV Axle Shaft Assembly - KA-8125; 1x Front Right CV Axle Shaft Assembly - KA-8128 10-YEAR Warranty AUTOSTEADY Front CV Axle Replacement for 2016 2017 2018 2019 2020 Kia Optima, 2015 2016 2017 2018 2019 Hyundai Sonata, Driver and Passenger Side KA-8125 KA-8128 [2.4L GAS]