Walker
ThunderSpark

Walker 921-2009 Ignition Coil

Brand Walker 921-2009
Product line ThunderSpark
Fits Toyota · 26 vehicles

OE direct replacement. Ignition coil for straightforward replacement and reliable spark delivery.

ThunderSpark line. Walker performance-focused ignition components for dependable operation.

$39.17Free shipping
In stock · usually ships same day before 1pm CST
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Order total $39.17
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderSpark Ignition Coil for Toyota Applications

Walker ThunderSpark ignition coil Part Number 921-2009 is a direct-fit ignition component for select Toyota trucks and SUVs. It is listed for 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100.

Key Features

  • Walker ThunderSpark product line ignition coil
  • Part Number 921-2009 for application-specific lookup
  • Compatible With select Toyota Tacoma, Tundra, 4Runner, and T100 models
  • Fits 1995-2004 Toyota Tacoma, N/A
  • Fits 2000-2004 Toyota Tundra, N/A
  • Fits 1996-2002 Toyota 4Runner, N/A
  • Fits 1995-1998 Toyota T100, N/A

Detailed Description

Walker ThunderSpark 921-2009 is an ignition coil built for Toyota ignition systems that require a direct replacement by vehicle application. The ThunderSpark line identifies Walker ignition components for repair work where accurate fitment matters, and this part number is cataloged across multiple Toyota platforms, including Tacoma, Tundra, 4Runner, and T100. Use Part Number 921-2009 when verifying the correct ignition coil for your vehicle.

What It Helps Address

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

Installation Notes and Tips

Confirm the year, make, and model before ordering, since fitment varies by Toyota platform. Match the existing connector style and mounting location to the original coil, and inspect related ignition components during replacement. For search and catalog verification, reference Walker 921-2009 and the vehicle-specific fitment listed above.

Quality Assurance

Walker ThunderSpark is the identified product line for this ignition coil, and the part is cataloged for direct application matching on the listed Toyota vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6N/AThunderSpark
2004ToyotaTundra3.4LV6N/AThunderSpark
2003ToyotaTacoma3.4LV6N/AThunderSpark
2003ToyotaTundra3.4LV6N/AThunderSpark
2002Toyota4Runner3.4LV6N/AThunderSpark
2002ToyotaTacoma3.4LV6N/AThunderSpark
2002ToyotaTundra3.4LV6N/AThunderSpark
2001Toyota4Runner3.4LV6N/AThunderSpark
2001ToyotaTacoma3.4LV6N/AThunderSpark
2001ToyotaTundra3.4LV6N/AThunderSpark
2000Toyota4Runner3.4LV6N/AThunderSpark
2000ToyotaTacoma3.4LV6N/AThunderSpark
2000ToyotaTundra3.4LV6N/AThunderSpark
1999Toyota4Runner3.4LV6N/AThunderSpark
1999ToyotaTacoma3.4LV6N/AThunderSpark
1998Toyota4Runner3.4LV6N/AThunderSpark
1998ToyotaT1003.4LV6N/AThunderSpark
1998ToyotaTacoma3.4LV6N/AThunderSpark
1997Toyota4Runner3.4LV6N/AThunderSpark
1997ToyotaT1003.4LV6N/AThunderSpark
1997ToyotaTacoma3.4LV6N/AThunderSpark
1996Toyota4Runner3.4LV6N/AThunderSpark
1996ToyotaT1003.4LV6N/AThunderSpark
1996ToyotaTacoma3.4LV6N/AThunderSpark
1995ToyotaT1003.4LV6N/AThunderSpark
1995ToyotaTacoma3.4LV6N/AThunderSpark