Vehicle Fitment: Upstream oxygen sensor is designed for 2009-2012 Hyundai Sonata, 2011-2013 Kia Optima
Part Replacement: Downstream oxygen sensor replaces part numbers: 250-24913, 250-25017. Please check the OE numbers for your convenience
Easy Installation: O2 sensor is bolted directly into the car exhaust pipe, which will keep your driving smoothly
Premium Material: 2Pcs upper and lower oxygen sensor is made of high-quality ABS material with rubber coating, strong insulated wire and carbon structural steel, which are more durability, corrosion resistance and better performance
Timely Replacement: Damaged air fuel ratio sensors are prone to malfunctions such as erratic engine idling and lack of fire. Replace it in time to maintain more efficient fuel economy, lower emissions