HomeWalker 921-2177 Ignition Coil
Part #: 921-2177

Walker 921-2177 Ignition Coil

ThunderSpark
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
ThunderSpark
Fitment: Honda and Acura, Civic, ILX, and Insight
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Reliable Ignition Coil for Acura and Honda Vehicles

The Walker ThunderSpark 921-2177 ignition coil is designed to provide consistent ignition performance for select Acura and Honda models. Engineered to meet OEM specifications, this ignition coil ensures proper spark delivery for efficient engine operation.

  • Compatible with Acura ILX and Honda Civic, Insight models
  • Walker ThunderSpark brand line for dependable ignition components
  • Part number 921-2177 for precise identification and fitment
  • Designed to maintain optimal spark energy and engine performance
  • Direct replacement ignition coil for easy installation

About the Walker ThunderSpark Ignition Coil Line

The ThunderSpark product line by Walker focuses on ignition components engineered to meet or exceed original equipment standards. This line emphasizes durability and reliable spark delivery, which is critical for maintaining engine efficiency and drivability. The 921-2177 ignition coil is part of this line, ensuring compatibility and performance for Acura and Honda vehicles requiring precise ignition coil replacements.

Product Description and Application

The Walker ThunderSpark 921-2177 ignition coil is specifically designed for use in Acura ILX and Honda Civic and Insight models. It functions by converting the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs, igniting the air-fuel mixture in the engine cylinders. This ignition coil supports smooth engine starts, consistent idling, and overall engine responsiveness. Using the correct ignition coil like the 921-2177 helps maintain fuel efficiency and reduces emissions by ensuring proper combustion.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling in Acura ILX and Honda Civic, Insight
  • Difficulty starting the engine or intermittent stalling
  • Reduced fuel efficiency due to incomplete combustion
  • Check engine light triggered by ignition system faults
  • Loss of engine power or hesitation during acceleration

Installation Notes and Tips

  • Ensure the vehicle is turned off and the battery is disconnected before installation
  • Locate the existing ignition coil on the engine and disconnect electrical connectors carefully
  • Remove mounting bolts and replace with the Walker ThunderSpark 921-2177 ignition coil
  • Reconnect electrical connectors securely to avoid loose connections
  • Test engine start and performance after installation to confirm proper function

Quality Assurance and Warranty

Walker ignition coils, including the ThunderSpark 921-2177, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. It is recommended to verify warranty terms with the product documentation or supplier.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015HondaCivic1.5LL4N/AREAR; ThunderSpark
2014AcuraILX1.5LL4N/AREAR; ThunderSpark
2014HondaCivic1.5LL4N/AREAR; ThunderSpark
2014HondaInsight1.3LL4N/AREAR; ThunderSpark
2013AcuraILX1.5LL4N/AREAR; ThunderSpark
2013HondaCivic1.5LL4N/AREAR; ThunderSpark
2013HondaInsight1.3LL4N/AREAR; ThunderSpark
2012HondaInsight1.3LL4N/AREAR; ThunderSpark

* 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.