Walker
ThunderSpark

Walker 921-2010 Ignition Coil

Brand Walker 921-2010
Product line ThunderSpark
Fits Lexus and Toyota · 75 vehicles

OE direct replacement. Built as an ignition coil for straightforward replacement.

ThunderSpark line. Walker's performance-focused product line for ignition components.

Ignition coil for reliable spark delivery and engine performance.

$41.77Free shipping
In stock · usually ships same day before 1pm CST
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Order total $41.77
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderSpark Ignition Coil 921-2010

Walker ThunderSpark ignition coil 921-2010 is a direct-fit ignition component for select Lexus and Toyota V8 applications. It is listed for vehicles such as the Lexus SC430, GX470, GS430, LS430, LX470 and Toyota 4Runner, Sequoia, Tundra, and Land Cruiser across the covered model years.

Key Features

  • Ignition coil for select Lexus and Toyota applications
  • Walker ThunderSpark product line
  • Part number 921-2010 for accurate ordering and catalog matching
  • Fits 1998-2010 model-year coverage across multiple V8 platforms
  • Compatible with N/A position listings as shown in the fitment data

Detailed Description

Walker ThunderSpark 921-2010 is an ignition coil built for specific Lexus and Toyota vehicles that use the listed fitment. This part number 921-2010 is associated with applications including 2000-2009 Toyota Tundra, 2001-2009 Toyota Sequoia, 2003-2009 Lexus GX470, and 1998-2007 Toyota Land Cruiser, along with additional Lexus SC430, GS430, LS430, and LX470 coverage. The ThunderSpark line identifies the product family within Walkerโ€™s ignition category, making it easier to match the correct coil to the vehicle platform.

What It Helps Address

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

Installation Notes and Tips

Verify the year, make, model, and engine application against the fitment list before installation. Confirm the connector style and mounting location on the vehicle before replacing the coil. For best results, inspect spark plugs and related ignition components at the same time, especially on higher-mileage Lexus GX470, Toyota 4Runner, and Toyota Tundra applications.

Quality Assurance

Walker ThunderSpark is the identified product line for this ignition coil, and part number 921-2010 is cataloged for the listed Lexus and Toyota applications. Use the vehicle fitment data to confirm the correct replacement before purchase.

This part fits 75 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010LexusSC4304.3LV8N/AThunderSpark
2009LexusGX4704.7LV8N/AThunderSpark
2009LexusSC4304.3LV8N/AThunderSpark
2009Toyota4Runner4.7LV8N/AThunderSpark
2009ToyotaSequoia4.7LV8N/AThunderSpark
2009ToyotaTundra4.7LV8N/AThunderSpark
2008LexusGX4704.7LV8N/AThunderSpark
2008LexusSC4304.3LV8N/AThunderSpark
2008Toyota4Runner4.7LV8N/AThunderSpark
2008ToyotaSequoia4.7LV8N/AThunderSpark
2008ToyotaTundra4.7LV8N/AThunderSpark
2007LexusGS4304.3LV8N/AThunderSpark
2007LexusGX4704.7LV8N/AThunderSpark
2007LexusLX4704.7LV8N/AThunderSpark
2007LexusSC4304.3LV8N/AThunderSpark
2007Toyota4Runner4.7LV8N/AThunderSpark
2007ToyotaLand Cruiser4.7LV8N/AThunderSpark
2007ToyotaSequoia4.7LV8N/AThunderSpark
2007ToyotaTundra4.7LV8N/AThunderSpark
2006LexusGS4304.3LV8N/AThunderSpark
2006LexusGX4704.7LV8N/AThunderSpark
2006LexusLS4304.3LV8N/AThunderSpark
2006LexusLX4704.7LV8N/AThunderSpark
2006LexusSC4304.3LV8N/AThunderSpark
2006Toyota4Runner4.7LV8N/AThunderSpark
2006ToyotaLand Cruiser4.7LV8N/AThunderSpark
2006ToyotaSequoia4.7LV8N/AThunderSpark
2006ToyotaTundra4.7LV8N/AThunderSpark
2005LexusGS4304.3LV8N/AThunderSpark
2005LexusGX4704.7LV8N/AThunderSpark
2005LexusLS4304.3LV8N/AThunderSpark
2005LexusLX4704.7LV8N/AThunderSpark
2005LexusSC4304.3LV8N/AThunderSpark
2005Toyota4Runner4.7LV8N/AThunderSpark
2005ToyotaLand Cruiser4.7LV8N/AThunderSpark
2005ToyotaSequoia4.7LV8N/AThunderSpark
2005ToyotaTundra4.7LV8N/AThunderSpark
2004LexusGS4304.3LV8N/AThunderSpark
2004LexusGX4704.7LV8N/AThunderSpark
2004LexusLS4304.3LV8N/AThunderSpark
2004LexusLX4704.7LV8N/AThunderSpark
2004LexusSC4304.3LV8N/AThunderSpark
2004Toyota4Runner4.7LV8N/AThunderSpark
2004ToyotaLand Cruiser4.7LV8N/AThunderSpark
2004ToyotaSequoia4.7LV8N/AThunderSpark
2004ToyotaTundra4.7LV8N/AThunderSpark
2003LexusGS4304.3LV8N/AThunderSpark
2003LexusGX4704.7LV8N/AThunderSpark
2003LexusLS4304.3LV8N/AThunderSpark
2003LexusLX4704.7LV8N/AThunderSpark
2003LexusSC4304.3LV8N/AThunderSpark
2003Toyota4Runner4.7LV8N/AThunderSpark
2003ToyotaLand Cruiser4.7LV8N/AThunderSpark
2003ToyotaSequoia4.7LV8N/AThunderSpark
2003ToyotaTundra4.7LV8N/AThunderSpark
2002LexusGS4304.3LV8N/AThunderSpark
2002LexusLS4304.3LV8N/AThunderSpark
2002LexusLX4704.7LV8N/AThunderSpark
2002LexusSC4304.3LV8N/AThunderSpark
2002ToyotaLand Cruiser4.7LV8N/AThunderSpark
2002ToyotaSequoia4.7LV8N/AThunderSpark
2002ToyotaTundra4.7LV8N/AThunderSpark
2001LexusGS4304.3LV8N/AThunderSpark
2001LexusLS4304.3LV8N/AThunderSpark
2001LexusLX4704.7LV8N/AThunderSpark
2001ToyotaLand Cruiser4.7LV8N/AThunderSpark
2001ToyotaSequoia4.7LV8N/AThunderSpark
2001ToyotaTundra4.7LV8N/AThunderSpark
2000LexusLX4704.7LV8N/AThunderSpark
2000ToyotaLand Cruiser4.7LV8N/AThunderSpark
2000ToyotaTundra4.7LV8N/AThunderSpark
1999LexusLX4704.7LV8N/AThunderSpark
1999ToyotaLand Cruiser4.7LV8N/AThunderSpark
1998LexusLX4704.7LV8N/AThunderSpark
1998ToyotaLand Cruiser4.7LV8N/AThunderSpark