Walker 921-2303 Ignition Coil
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Walker
 Single Coil

Walker 921-2303 Ignition Coil

Brand Walker 921-2303
Product line Single Coil
Fits Genesis, Hyundai, and Kia · 56 vehicles

Single coil design. Provides a straightforward ignition coil replacement.

Ignition coil for dependable spark delivery.

$69.14Free shipping
In stock · usually ships same day before 1pm CST
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Walker Single Coil Ignition Coil 921-2303

Walker 921-2303 is a single ignition coil for direct replacement in a wide range of Hyundai, Genesis, and Kia applications. It supports consistent spark delivery for vehicles such as the Hyundai Sonata, Kia Optima, and Genesis G70 when the original coil is worn or failing.

Key Features

  • Single coil ignition coil for engine ignition service
  • Walker Single Coil product line
  • Direct-fit application coverage for multiple Hyundai, Genesis, and Kia models
  • Part number 921-2303 for accurate ordering and lookup
  • Fits 2015-2024 vehicles across turbo and non-turbo applications listed below

Fitment Coverage

  • Fits 2022-2024 Hyundai Elantra N, N/A, Single Coil
  • Fits 2019-2023 Genesis G70, N/A, Single Coil
  • Fits 2022-2023 Hyundai Kona N, N/A, Single Coil
  • Fits 2017-2022 Genesis G90, N/A, Single Coil
  • Fits 2019-2022 Hyundai Veloster N, N/A, Single Coil
  • Fits 2017-2022 Kia Sportage, N/A, Single Coil
  • Fits 2018-2021 Hyundai Tucson, N/A, Single Coil
  • Fits 2018-2021 Kia Stinger, N/A, Single Coil
  • Fits 2018-2020 Genesis G80, N/A, Single Coil
  • Fits 2019-2020 Hyundai Santa Fe, N/A, Single Coil
  • Fits 2016-2020 Kia Optima, N/A, Single Coil
  • Fits 2016-2020 Kia Sorento, N/A, Single Coil
  • Fits 2015-2019 Hyundai Sonata, N/A, Single Coil
  • Fits 2017-2018 Hyundai Santa Fe Sport, N/A, Single Coil

Detailed Description

This ignition coil is used to step up battery voltage so the spark plugs can fire at the correct time. When a coil weakens, drivers may notice rough idle, misfires, hesitation, or reduced engine performance. Walker 921-2303 provides a service replacement option for Hyundai Sonata and Kia Optima models, along with performance-oriented applications like the Genesis G70 and Hyundai Elantra N.

This part cross-references OE-style ignition coil applications for the same vehicle coverage. Use the part number 921-2303 to verify the correct match before installation.

Common Issues It May Solve

  • Engine misfire codes related to ignition coil failure
  • Rough idle or uneven engine operation
  • Hesitation during acceleration
  • Hard starting caused by weak spark output
  • Loss of power from inconsistent ignition performance

Installation Notes and Tips

Confirm the vehicle year, make, model, and engine application before ordering. Inspect spark plugs, coil connectors, and wiring for wear or contamination during service. Clear diagnostic trouble codes after installation and verify proper engine operation.

Quality Assurance

Walker ignition components are cataloged for specific vehicle applications to support accurate replacement selection. Verify fitment with the listed model coverage and part number 921-2303 before completing the repair.

Related reading

This part fits 56 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2024HyundaiElantra N2.0LL4—Single Coil
2023GenesisG702.0LL4—Single Coil
2023HyundaiElantra N2.0LL4—Single Coil
2023HyundaiKona N2.0LL4—Single Coil
2022GenesisG702.0LL4—Single Coil
2022GenesisG905.0LV8—Single Coil
2022HyundaiElantra N2.0LL4—Single Coil
2022HyundaiKona N2.0LL4—Single Coil
2022HyundaiVeloster N2.0LL4—Single Coil
2022KiaSportage2.4LL4—Single Coil
2021GenesisG702.0LL4—Single Coil
2021GenesisG905.0LV8—Single Coil
2021HyundaiTucson2.4LL4—Single Coil
2021HyundaiVeloster N2.0LL4—Single Coil
2021KiaSportage2.4LL4—Single Coil
2021KiaStinger2.0LL4—Single Coil
2020GenesisG702.0LL4—Single Coil
2020GenesisG805.0LV8—Single Coil
2020GenesisG905.0LV8—Single Coil
2020HyundaiSanta Fe2.4LL4—Single Coil
2020HyundaiTucson2.4LL4—Single Coil
2020HyundaiVeloster N2.0LL4—Single Coil
2020KiaOptima2.4LL4—Single Coil
2020KiaSorento2.4LL4—Single Coil
2020KiaSportage2.4LL4—Single Coil
2020KiaStinger2.0LL4—Single Coil
2019GenesisG702.0LL4—Single Coil
2019GenesisG805.0LV8—Single Coil
2019GenesisG905.0LV8—Single Coil
2019HyundaiSanta Fe2.4LL4—Single Coil
2019HyundaiSonata2.4LL4—Single Coil
2019HyundaiTucson2.4LL4—Single Coil
2019HyundaiVeloster N2.0LL4—Single Coil
2019KiaOptima2.4LL4—Single Coil
2019KiaSorento2.4LL4—Single Coil
2019KiaSportage2.4LL4—Single Coil
2019KiaStinger2.0LL4—Single Coil
2018GenesisG805.0LV8—Single Coil
2018GenesisG905.0LV8—Single Coil
2018HyundaiSanta Fe Sport2.4LL4—Single Coil
2018HyundaiSonata2.4LL4—Single Coil
2018HyundaiTucson2.4LL4—Single Coil
2018KiaOptima2.4LL4—Single Coil
2018KiaSorento2.4LL4—Single Coil
2018KiaSportage2.4LL4—Single Coil
2018KiaStinger2.0LL4—Single Coil
2017GenesisG905.0LV8—Single Coil
2017HyundaiSanta Fe Sport2.4LL4—Single Coil
2017HyundaiSonata2.4LL4—Single Coil
2017KiaOptima2.4LL4—Single Coil
2017KiaSorento2.4LL4—Single Coil
2017KiaSportage2.4LL4—Single Coil
2016HyundaiSonata2.4LL4—Single Coil
2016KiaOptima2.4LL4GASSingle Coil
2016KiaSorento2.4LL4—Single Coil
2015HyundaiSonata2.4LL4GASSingle Coil