HomeIgnition > Ignition CoilWalker 921-2010 Ignition Coil
Part #: 921-2010

Walker 921-2010 Ignition Coil

ThunderSpark
⚙️ 75 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.38Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦ThunderSpark
🚗Fitment: Lexus and Toyota, SC430, GX470, 4Runner, Sequoia, Tundra, GS430, LX470, Land Cruiser, and LS430
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Coil for Lexus and Toyota Vehicles

The Walker ThunderSpark 921-2010 ignition coil is designed to deliver consistent ignition performance for select Lexus and Toyota models. Engineered to meet OEM specifications, this ignition coil supports efficient engine operation and reliable starting.

Key Features of Walker ThunderSpark 921-2010 Ignition Coil

  • Compatible with Lexus and Toyota models including 4Runner, GS430, GX470, Land Cruiser, LS430, LX470, SC430, Sequoia, and Tundra
  • Part number 921-2010 ensures precise fit and function
  • Constructed to meet or exceed original equipment standards
  • Designed for direct replacement to maintain engine performance
  • Part of the ThunderSpark line, known for durability and consistent ignition delivery

About the Walker ThunderSpark Product Line

The ThunderSpark series by Walker focuses on ignition components engineered for reliable spark delivery and long service life. This product line emphasizes quality construction and compatibility with a range of Lexus and Toyota vehicles, including the models supported by part number 921-2010. The ThunderSpark ignition coils are designed to maintain engine efficiency and reduce misfires under normal operating conditions.

Detailed Product Description

The Walker ThunderSpark 921-2010 ignition coil is a critical component in the ignition system of various Lexus and Toyota vehicles. It converts 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 is engineered to fit models such as the Lexus GS430, LX470, and Toyota Tundra, among others, ensuring proper fitment and reliable performance. Using this ignition coil helps maintain smooth engine operation and supports fuel efficiency by providing consistent spark energy.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling in compatible Lexus and Toyota 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 Lexus or Toyota model using the part number 921-2010
  • Handle the ignition coil carefully to avoid damage to the internal components
  • Follow manufacturer torque specifications when securing the coil
  • Inspect related ignition components such as spark plugs and wiring for optimal performance

Quality Assurance and Warranty Information

Walker ignition coils, including the ThunderSpark 921-2010, are manufactured to meet stringent quality standards. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using a genuine Walker ThunderSpark ignition coil helps ensure reliable operation and supports the longevity of your vehicle's ignition system.

This part fits 75 vehicles. Search below:

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

* 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.