Walker 921-2148 Ignition Coil
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Walker
 ThunderSpark

Walker 921-2148 Ignition Coil

Brand Walker 921-2148
Product line ThunderSpark
Fits Hyundai and Kia · 93 vehicles

OE direct replacement. Matches the original ignition coil form for straightforward service.

ThunderSpark line. Walker's performance-focused ignition line for dependable spark delivery.

Ignition coil for restoring consistent ignition performance.

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Walker ThunderSpark Ignition Coil 921-2148

Walker ThunderSpark ignition coil 921-2148 is a direct-fit ignition coil for select Hyundai and Kia applications. It is listed for multiple 2009-2020 models, including Hyundai Sonata, Tucson, Genesis, Santa Fe Sport, and Kia Optima, Sorento, Sportage, and Forte.

Key Features

  • Ignition coil for select Hyundai and Kia vehicles
  • Walker ThunderSpark product line
  • Fits applications marked as Single Coil and ThunderSpark in the fitment data
  • Part number 921-2148 for catalog matching and ordering
  • Coverage includes Hyundai Genesis Coupe, Sonata, Tucson, Santa Fe, and Kia Optima, Sorento, Sportage, Forte, and K900 applications

Fitment Details

  • Fits 2019-2020 Hyundai Starex, Single Coil
  • Fits 2017 Genesis G80, Single Coil
  • Fits 2016-2017 Kia K900, Single Coil
  • Fits 2016 Hyundai Equus, Single Coil
  • Fits 2016 Hyundai Genesis, Single Coil
  • Fits 2013-2016 Hyundai Santa Fe Sport, Single Coil
  • Fits 2016 Kia Optima, Single Coil
  • Fits 2016 Kia Sportage, Single Coil
  • Fits 2011-2015 Hyundai Equus, ThunderSpark
  • Fits 2009-2015 Hyundai Genesis, ThunderSpark
  • Fits 2009-2015 Hyundai Sonata, ThunderSpark
  • Fits 2010-2015 Hyundai Tucson, ThunderSpark
  • Fits 2015 Kia K900, ThunderSpark
  • Fits 2010-2015 Kia Optima, ThunderSpark
  • Fits 2011-2015 Kia Sorento, ThunderSpark
  • Fits 2011-2015 Kia Sportage, ThunderSpark
  • Fits 2010-2014 Hyundai Genesis Coupe, ThunderSpark
  • Fits 2010-2013 Kia Forte, ThunderSpark
  • Fits 2010-2013 Kia Forte Koup, ThunderSpark
  • Fits 2012-2013 Kia Forte5, Single Coil
  • Fits 2010-2012 Hyundai Santa Fe, ThunderSpark
  • Fits 2011-2012 Kia Rondo, Single Coil
  • Fits 2010-2011 Kia Borrego, Single Coil
  • Fits 2009-2010 Kia Magentis, Single Coil
  • Fits 2010 Kia Rondo, ThunderSpark
  • Fits 2009 Kia Borrego, ThunderSpark

What It Helps Address

  • Misfire conditions caused by a failing ignition coil
  • Rough idle on Hyundai Sonata, Tucson, or Genesis applications
  • Hard starting related to weak spark output
  • Loss of engine performance under load
  • Check engine light concerns tied to ignition coil failure

Installation Notes

Verify the part number 921-2148 and match the vehicle year, make, model, and ignition system type before installation. Confirm whether your application uses the ThunderSpark or Single Coil configuration listed in the fitment data. For Hyundai Genesis and Kia Optima applications, compare the original coil connector and mounting style to the removed part before replacement.

Quality Assurance

Walker ThunderSpark 921-2148 is cataloged for specific Hyundai and Kia fitments to support accurate replacement selection. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Related reading

This part fits 93 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2020HyundaiStarex2.4LL4—N/ASingle Coil
2019HyundaiStarex2.4LL4—N/ASingle Coil
2017GenesisG805.0LV8—N/ASingle Coil
2017KiaK9005.0LV8—N/ASingle Coil
2016HyundaiEquus5.0LV8—N/ASingle Coil
2016HyundaiGenesis5.0LV8—N/ASingle Coil
2016HyundaiSanta Fe Sport2.4LL4—N/ASingle Coil
2016KiaK9005.0LV8—N/ASingle Coil
2016KiaOptima2.4LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2016KiaSportage2.4LL4—N/ASingle Coil
2015HyundaiEquus5.0LV8—N/AThunderSpark
2015HyundaiGenesis5.0LV8—N/AThunderSpark
2015HyundaiSanta Fe Sport2.4LL4—N/ASingle Coil
2015HyundaiSonata2.4LL4—N/AThunderSpark
2015HyundaiTucson2.4LL4—N/AThunderSpark
2015KiaK9005.0LV8—N/AThunderSpark
2015KiaOptima2.4LL4—N/AThunderSpark
2015KiaSorento2.4LL4—N/AThunderSpark
2015KiaSportage2.4LL4—N/AThunderSpark
2014HyundaiEquus5.0LV8—N/AThunderSpark
2014HyundaiGenesis5.0LV8—N/AThunderSpark
2014HyundaiGenesis Coupe2.0LL4—N/AThunderSpark
2014HyundaiSanta Fe Sport2.4LL4—N/ASingle Coil
2014HyundaiSonata2.4LL4—N/AThunderSpark
2014HyundaiTucson2.4LL4—N/AThunderSpark
2014KiaOptima2.4LL4—N/AThunderSpark
2014KiaSorento2.4LL4—N/AThunderSpark
2014KiaSportage2.4LL4—N/AThunderSpark
2013HyundaiEquus5.0LV8—N/AThunderSpark
2013HyundaiGenesis5.0LV8—N/AThunderSpark
2013HyundaiGenesis Coupe2.0LL4—N/AThunderSpark
2013HyundaiSanta Fe Sport2.4LL4—N/ASingle Coil
2013HyundaiSonata2.4LL4—N/AThunderSpark
2013HyundaiTucson2.4LL4—N/AThunderSpark
2013HyundaiTucson2.0LL4—N/AThunderSpark
2013KiaForte2.4LL4—N/AThunderSpark
2013KiaForte2.0LL4—N/AThunderSpark
2013KiaForte Koup2.4LL4—N/AThunderSpark
2013KiaForte Koup2.0LL4—N/AThunderSpark
2013KiaForte52.4LL4—N/ASingle Coil
2013KiaOptima2.4LL4—N/AThunderSpark
2013KiaSorento2.4LL4—N/AThunderSpark
2013KiaSportage2.4LL4—N/AThunderSpark
2012HyundaiEquus5.0LV8—N/AThunderSpark
2012HyundaiGenesis5.0LV8—N/AThunderSpark
2012HyundaiGenesis4.6LV8—N/AThunderSpark
2012HyundaiGenesis Coupe2.0LL4—N/AThunderSpark
2012HyundaiSanta Fe2.4LL4—N/AThunderSpark
2012HyundaiSonata2.4LL4—N/AThunderSpark
2012HyundaiTucson2.4LL4—N/AThunderSpark
2012HyundaiTucson2.0LL4—N/AThunderSpark
2012KiaForte2.4LL4—N/AThunderSpark
2012KiaForte2.0LL4—N/AThunderSpark
2012KiaForte Koup2.4LL4—N/AThunderSpark
2012KiaForte Koup2.0LL4—N/AThunderSpark
2012KiaForte52.4LL4—N/ASingle Coil
2012KiaOptima2.4LL4—N/AThunderSpark
2012KiaRondo2.4LL4—N/ASingle Coil
2012KiaSorento2.4LL4—N/AThunderSpark
2012KiaSportage2.4LL4—N/AThunderSpark
2011HyundaiEquus4.6LV8—N/AThunderSpark
2011HyundaiGenesis4.6LV8—N/AThunderSpark
2011HyundaiGenesis Coupe2.0LL4—N/AThunderSpark
2011HyundaiSanta Fe2.4LL4—N/AThunderSpark
2011HyundaiSonata2.4LL4—N/AThunderSpark
2011HyundaiTucson2.4LL4—N/AThunderSpark
2011HyundaiTucson2.0LL4—N/AThunderSpark
2011KiaBorrego4.6LV8—N/ASingle Coil
2011KiaForte2.4LL4—N/AThunderSpark
2011KiaForte2.0LL4—N/AThunderSpark
2011KiaForte Koup2.4LL4—N/AThunderSpark
2011KiaForte Koup2.0LL4—N/AThunderSpark
2011KiaOptima2.4LL4—N/AThunderSpark
2011KiaRondo2.4LL4—N/ASingle Coil
2011KiaSorento2.4LL4—N/AThunderSpark
2011KiaSportage2.4LL4—N/AThunderSpark
2010HyundaiGenesis4.6LV8—N/AThunderSpark
2010HyundaiGenesis Coupe2.0LL4—N/AThunderSpark
2010HyundaiSanta Fe2.4LL4—N/AThunderSpark
2010HyundaiSonata2.4LL4—N/AThunderSpark
2010HyundaiTucson2.4LL4—N/AThunderSpark
2010KiaBorrego4.6LV8—N/ASingle Coil
2010KiaForte2.4LL4—N/AThunderSpark
2010KiaForte2.0LL4—N/AThunderSpark
2010KiaForte Koup2.4LL4—N/AThunderSpark
2010KiaForte Koup2.0LL4—N/AThunderSpark
2010KiaMagentis2.4LL4—N/ASingle Coil
2010KiaOptima2.4LL4—N/AThunderSpark
2010KiaRondo2.4LL4—N/AThunderSpark
2009HyundaiGenesis4.6LV8—N/AThunderSpark
2009HyundaiSonata2.4LL4—N/AThunderSpark
2009KiaBorrego4.6LV8—N/AThunderSpark
2009KiaMagentis2.4LL4—N/ASingle Coil