HomeIgnition > Ignition CoilWalker 921-2186 Ignition Coil
Part #: 921-2186

Walker 921-2186 Ignition Coil

ThunderSpark
⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦ThunderSpark
🚗Fitment: Chevrolet and Buick, Sonic, Encore, Cruze, Trax, and Volt
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Reliable Ignition Coil for Buick, Cadillac, and Chevrolet Vehicles

The Walker ThunderSpark 921-2186 ignition coil is designed to provide consistent ignition performance for select Buick, Cadillac, and Chevrolet models. This ignition coil ensures proper spark delivery to maintain engine efficiency and smooth operation.

  • Compatible with Buick Encore, Cadillac ELR, Chevrolet Cruze, Cruze Limited, Sonic, Trax, and Volt
  • Walker ThunderSpark brand line known for dependable ignition components
  • Part number 921-2186 for precise fit and function
  • Designed to meet or exceed OEM specifications
  • Direct replacement ignition coil for improved engine starting and performance

About the Walker ThunderSpark Ignition Coil Line

The ThunderSpark line from Walker focuses on ignition components engineered to deliver reliable spark and ignition system performance. The 921-2186 ignition coil is part of this line, offering a quality replacement option that aligns with the demands of modern ignition systems in Buick, Cadillac, and Chevrolet vehicles. This product line emphasizes durability and consistent electrical output to support engine efficiency.

Product Details and Compatibility

The Walker ThunderSpark 921-2186 ignition coil is specifically designed for use in a range of Buick, Cadillac, and Chevrolet models including the Buick Encore, Cadillac ELR, Chevrolet Cruze, Cruze Limited, Sonic, Trax, and Volt. This ignition coil replaces the original equipment part to ensure proper spark generation, which is critical for engine combustion and overall vehicle performance.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling
  • Difficulty starting the engine
  • Reduced fuel efficiency due to incomplete combustion
  • Check engine light related to ignition faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

  • Ensure the ignition system is powered off before installation
  • Verify compatibility with your specific Buick, Cadillac, or Chevrolet model
  • Follow vehicle manufacturer torque specifications when securing the coil
  • Inspect wiring and connectors for damage before installation
  • Test the ignition system after installation to confirm proper operation

Quality Assurance and Warranty

Walker ignition coils, including the ThunderSpark 921-2186, are manufactured to meet industry standards for quality and reliability. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021BuickEncore1.4LL4N/ASingle Coil
2021ChevroletTrax1.4LL4N/ASingle Coil
2020BuickEncore1.4LL4N/ASingle Coil
2020ChevroletSonic1.4LL4N/ASingle Coil
2020ChevroletTrax1.4LL4N/ASingle Coil
2019BuickEncore1.4LL4N/ASingle Coil
2019ChevroletSonic1.4LL4N/ASingle Coil
2019ChevroletTrax1.4LL4N/ASingle Coil
2018BuickEncore1.4LL4N/ASingle Coil
2018ChevroletSonic1.4LL4N/ASingle Coil
2018ChevroletTrax1.4LL4N/ASingle Coil
2017BuickEncore1.4LL4N/ASingle Coil
2017ChevroletSonic1.4LL4N/AThunderSpark
2017ChevroletTrax1.4LL4N/ASingle Coil
2016BuickEncore1.4LL4N/ASingle Coil
2016CadillacELR1.4LL4N/ASingle Coil
2016ChevroletCruze Limited1.4LL4N/ASingle Coil
2016ChevroletSonic1.4LL4N/AThunderSpark
2016ChevroletTrax1.4LL4N/ASingle Coil
2015BuickEncore1.4LL4N/AThunderSpark
2015CadillacELR1.4LL4N/ASingle Coil
2015ChevroletCruze1.4LL4N/AThunderSpark
2015ChevroletSonic1.4LL4N/AThunderSpark
2015ChevroletTrax1.4LL4N/AThunderSpark
2015ChevroletVolt1.4LL4N/AThunderSpark
2014BuickEncore1.4LL4N/AThunderSpark
2014CadillacELR1.4LL4N/ASingle Coil
2014ChevroletCruze1.4LL4N/AThunderSpark
2014ChevroletSonic1.4LL4N/AThunderSpark
2014ChevroletTrax1.4LL4N/ASingle Coil
2014ChevroletVolt1.4LL4N/AThunderSpark
2013BuickEncore1.4LL4N/AThunderSpark
2013ChevroletCruze1.4LL4N/AThunderSpark
2013ChevroletSonic1.4LL4N/AThunderSpark
2013ChevroletTrax1.4LL4N/ASingle Coil
2013ChevroletVolt1.4LL4N/AThunderSpark
2012ChevroletCruze1.4LL4N/AThunderSpark
2012ChevroletSonic1.4LL4N/AThunderSpark
2012ChevroletVolt1.4LL4N/AThunderSpark
2011ChevroletCruze1.4LL4N/AThunderSpark
2011ChevroletVolt1.4LL4N/AThunderSpark

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.