Fitment or Compatibility:Please check all details of the product before purchasing the item. To provide the most accurate fitment for your vehicle, please message us your VIN# or vehicle specifications so we can confirm fitment in our database.Quality:All radiators are complete with superior materials manufactured using the most advanced equipment operated and tested by experts in the automotive industry so quality is never compromised. Performance:Our brand new radiators meet or exceed OEM specifications for cooling and performance with easy installation, direct fit, and the most optimal cooling efficiency leaving you confident with a reliable and high performing replacement. Shipping:We ship both domestic and international orders. We have multiple fulfillment warehouses spread coast to coast, so we can ensure our expedited delivery guarantee.Competitive:Our experts and experienced sales team make it their duty to give you the comfort of getting your part at the most competitive cost on the market.Risk Free:All radiators come with a 1-year warranty, ensuring the longevity of our products. Compatible/Replacement for: 2011 Kia Optima EX 2011 Kia Optima LX 2011 Kia Optima SX 2012 Kia Optima EX 2012 Kia Optima EX 2012 Kia Optima LX 2012 Kia Optima LX 2012 Kia Optima SX 2012 Kia Optima SX 2013 Kia Optima EX 2013 Kia Optima EX 2013 Kia Optima LX 2013 Kia Optima LX 2013 Kia Optima SX 2013 Kia Optima SX