If your Accent or Rio has begun to misfire, idle erratically, or hesitate under acceleration a bad coil pack could be to blame. By providing the proper spark to the spark plug all of these running issues can be resolved. This AA Ignition Coil Pack is a direct replacement for the factory or coil. Made by an original equipment supplier (OEM) these coil packs surpass the factory quality and will get your engine running how it should be; smooth and fast. This Ignition Coil Pack fits the following Models: Accent 2006, 2007, 2008, 2009, 2010, 2011 Rio 2006, 2007, 2008, 2009, 2010, 2011 Rio5 2006, 2007, 2008, 2009, 2010, 2011 Replaces the following part numbers: 27301-26640, 2730126640, Denso 673-8308, Delphi GN10330, Karlyn 5077, C691, C1543, E999, IC579, UF-499, B079, UF499, 1AMIC00042, CUF499, 21051-01, 91788290, 10984351, 1788290, B308, 5C1586, 27301-26640, 178-8290, 1C579, 521841, 52-1841 Complete set of 4 ignition coils This ignition coil is not a genuine OEM part. It is manufactured by AA Ignition, exceeds the factory specification, and carries a 24 month or 24,000 mile warranty. The terms, makes, models and part numbers are used in this listing only to identify the vehicles this ignition coil fits.