HomeIgnition > Ignition CoilWalker 921-2100 Ignition Coil
Part #: 921-2100

Walker 921-2100 Ignition Coil

ThunderSpark
⚙️ 32 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦ThunderSpark
🚗Fitment: Porsche, Audi, and Volkswagen, Cayenne, Q7, TT Quattro, Passat, R32, Touareg, A3 Quattro, and Eos
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Reliable Ignition Coil for Audi, Porsche, and Volkswagen Models

The Walker ThunderSpark 921-2100 ignition coil is designed to deliver consistent ignition performance for select Audi, Porsche, and Volkswagen vehicles. Engineered to meet OEM specifications, this ignition coil supports efficient combustion and smooth engine operation.

  • Compatible with Audi A3 Quattro, Volkswagen Passat, R32, Eos, Touareg, and TT Quattro
  • Also fits Porsche Cayenne and Q7 models
  • Walker ThunderSpark product line ensures quality ignition components
  • Part number 921-2100 for precise identification and fitment
  • Designed to maintain optimal spark energy and engine efficiency

Walker ThunderSpark Ignition Coil Product Line

The ThunderSpark line by Walker focuses on ignition components engineered to meet or exceed original equipment standards. This product line emphasizes durability and reliable spark delivery, making it suitable for performance and daily driving applications. The 921-2100 ignition coil is part of this line, providing a dependable replacement option for specific Audi, Porsche, and Volkswagen models.

Product Details and Compatibility

The Walker ThunderSpark 921-2100 ignition coil is specifically designed for use in a range of vehicles including the Audi A3 Quattro, Volkswagen Passat, R32, Eos, Touareg, TT Quattro, and Porsche Cayenne and Q7. This ignition coil ensures proper voltage delivery to the spark plugs, which is critical for efficient engine combustion and performance. Using the correct ignition coil helps maintain engine smoothness and fuel efficiency.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling in compatible Audi, Porsche, and Volkswagen models
  • Difficulty starting the engine or intermittent stalling
  • Reduced fuel efficiency due to incomplete combustion
  • Check engine light triggered by ignition system faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

  • Ensure the vehicle is turned off and the battery is disconnected before installation
  • Verify compatibility with your specific make and model using the part number 921-2100
  • Handle the ignition coil carefully to avoid damage to electrical connectors
  • Follow manufacturer torque specifications when securing the coil
  • Inspect spark plugs and ignition wiring during installation for optimal performance

Quality Assurance and Warranty

Walker ignition coils, including the ThunderSpark 921-2100, are manufactured to meet stringent quality standards. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in materials and workmanship. Using a genuine Walker ignition coil helps ensure reliable engine performance and longevity.

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018PorscheCayenne3.6LV6N/ASingle Coil
2017PorscheCayenne3.6LV6N/ASingle Coil
2016PorscheCayenne3.6LV6N/ASingle Coil
2014PorscheCayenne3.6LV6N/ASingle Coil
2013PorscheCayenne3.6LV6N/ASingle Coil
2012PorscheCayenne3.6LV6N/ASingle Coil
2011PorscheCayenne3.6LV6N/ASingle Coil
2010PorscheCayenne3.6LV6N/AThunderSpark
2009PorscheCayenne3.6LV6N/AThunderSpark
2008AudiQ73.6LV6N/AThunderSpark
2008AudiTT Quattro3.2LV6N/AThunderSpark
2008PorscheCayenne3.6LV6N/AThunderSpark
2008VolkswagenPassat3.6LV6N/AThunderSpark
2008VolkswagenR323.2LV6N/AThunderSpark
2008VolkswagenTouareg3.6LV6N/AThunderSpark
2007AudiA3 Quattro3.2LV6N/AThunderSpark
2007AudiQ73.6LV6N/AThunderSpark
2007VolkswagenEos3.2LV6N/AThunderSpark
2007VolkswagenPassat3.6LV6N/AThunderSpark
2007VolkswagenTouareg3.6LV6N/AThunderSpark
2006AudiA3 Quattro3.2LV6N/AThunderSpark
2006AudiTT Quattro3.2LV6N/AThunderSpark
2006PorscheCayenne3.2LV6N/AThunderSpark
2006VolkswagenPassat3.6LV6N/AThunderSpark
2006VolkswagenTouareg3.2LV6N/AThunderSpark
2005AudiTT Quattro3.2LV6N/AThunderSpark
2005PorscheCayenne3.2LV6N/AThunderSpark
2005VolkswagenTouareg3.2LV6N/AThunderSpark
2004AudiTT Quattro3.2LV6N/AThunderSpark
2004PorscheCayenne3.2LV6N/AThunderSpark
2004VolkswagenR323.2LV6N/AThunderSpark
2004VolkswagenTouareg3.2LV6N/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.