Walker
ThunderSpark

Walker 921-2042 Ignition Coil

Brand Walker 921-2042
Product line ThunderSpark
Fits Mazda · 5 vehicles

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

ThunderSpark line. Walker performance ignition components for dependable spark delivery.

Ignition coil for restoring consistent ignition performance.

$44.31Free shipping
In stock · usually ships same day before 1pm CST
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Walker ThunderSpark Ignition Coil for Mazda Protege

Walker ThunderSpark part number 921-2042 is an ignition coil for select Mazda Protege applications. It is listed for 1999-2001 Mazda Protege with ThunderSpark and 2002-2003 Mazda Protege with a single coil configuration.

Key Features

  • Ignition coil replacement for Mazda Protege applications
  • Walker ThunderSpark product line
  • Direct fitment coverage for 1999-2003 Mazda Protege applications
  • Part number 921-2042 for catalog and service matching

Detailed Description

Walker ThunderSpark 921-2042 is an ignition coil built for Mazda Protege ignition service. The ThunderSpark line identifies Walker ignition components for vehicle-specific applications, and this coil is cataloged for 1999-2001 Mazda Protege ThunderSpark and 2002-2003 Mazda Protege single coil setups. If you are searching for a Mazda Protege ignition coil or Walker 921-2042 replacement, this part provides a fitment-specific option for those model years.

What It Helps Address

  • Engine misfire caused by a failing ignition coil
  • Hard starting related to weak spark output
  • Rough idle from inconsistent ignition performance
  • Loss of power under load from ignition breakdown
  • Check engine light conditions tied to coil faults

Installation Notes

Verify the vehicle year and ignition configuration before ordering. This part fits 2002-2003 Mazda Protege, N/A, Single Coil and fits 1999-2001 Mazda Protege, N/A, ThunderSpark. Match the part number 921-2042 to the application listed for your Mazda Protege before installation.

Quality Assurance

Walker ThunderSpark ignition components are cataloged for application-specific replacement use. This part cross-references no additional part numbers in the provided data.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003MazdaProtege1.6LL4N/ASingle Coil
2002MazdaProtege1.6LL4N/ASingle Coil
2001MazdaProtege1.6LL4N/AThunderSpark
2000MazdaProtege1.6LL4N/AThunderSpark
1999MazdaProtege1.6LL4N/AThunderSpark