Walker
ThunderSpark

Walker 921-2002 Ignition Coil

Brand Walker 921-2002
Product line ThunderSpark
Fits Dodge, Jeep, Mitsubishi, and Chrysler · 79 vehicles

ThunderSpark line. Ignition coil from Walker.

Ignition coil for reliable spark delivery.

$29.36Free shipping
In stock · usually ships same day before 1pm CST
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Walker ThunderSpark Ignition Coil 921-2002

Walker ThunderSpark ignition coil 921-2002 is a direct-fit ignition coil for select Chrysler, Dodge, Jeep, and Mitsubishi applications. It is built for vehicles that need a reliable spark output to support consistent engine performance and drivability.

Key Features

  • Walker ThunderSpark product line ignition coil
  • Part number 921-2002 for application-specific lookup
  • Direct-fit replacement for select V6 and V8 ignition systems
  • Compatible with multiple Dodge Ram, Jeep Grand Cherokee, and Dodge Dakota applications
  • Supports stable ignition performance in daily driving conditions

Detailed Description

The Walker ThunderSpark line focuses on ignition components for common repair and maintenance needs across late-model trucks and SUVs. This ignition coil 921-2002 is listed for 1999-2008 Jeep Grand Cherokee, 2000-2008 Dodge Dakota, 2000-2008 Dodge Durango, 2002-2008 Dodge Ram 1500, 2002-2007 Dodge Ram 2500, 2002-2008 Jeep Liberty, 2006-2008 Jeep Commander, 2006-2008 Mitsubishi Raider, 2007-2008 Dodge Nitro, 2007 Chrysler Aspen, and 2010 Jeep Grand Cherokee. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Engine misfire caused by a weak or failing ignition coil
  • Rough idle or inconsistent spark delivery
  • Hard starting related to ignition output loss
  • Loss of power under load in Jeep, Dodge, or Mitsubishi applications
  • Check engine light conditions tied to ignition coil faults

Installation Notes and Tips

Verify engine application and connector style against the vehicle listing before installation. For best results, inspect spark plugs and related ignition components at the same time, since worn plugs can place added stress on the coil. Confirm fitment by year, make, and model, especially on Dodge Ram 1500, Jeep Grand Cherokee, and Dodge Dakota applications.

Quality Assurance

Walker ThunderSpark parts are cataloged for application-specific fitment and consistent replacement use in ignition service. Part number 921-2002 is listed for direct lookup across the supported vehicle range.

This part fits 79 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010JeepGrand Cherokee4.7LV8N/ASingle Coil
2008DodgeDakota3.7LV6N/AThunderSpark
2008DodgeDurango3.7LV6N/AThunderSpark
2008DodgeNitro3.7LV6N/AThunderSpark
2008DodgeRam 15003.7LV6N/AThunderSpark
2008JeepCommander3.7LV6N/AThunderSpark
2008JeepGrand Cherokee3.7LV6N/AThunderSpark
2008JeepLiberty3.7LV6N/AThunderSpark
2008MitsubishiRaider3.7LV6N/AThunderSpark
2007ChryslerAspen4.7LV8N/AThunderSpark
2007DodgeDakota4.7LV8N/AThunderSpark
2007DodgeDakota3.7LV6N/AThunderSpark
2007DodgeDurango4.7LV8N/AThunderSpark
2007DodgeDurango3.7LV6N/AThunderSpark
2007DodgeNitro3.7LV6N/AThunderSpark
2007DodgeRam 15004.7LV8N/AThunderSpark
2007DodgeRam 15003.7LV6N/AThunderSpark
2007DodgeRam 25004.7LV8N/ASingle Coil
2007JeepCommander4.7LV8N/AThunderSpark
2007JeepCommander3.7LV6N/AThunderSpark
2007JeepGrand Cherokee4.7LV8N/AThunderSpark
2007JeepGrand Cherokee3.7LV6N/AThunderSpark
2007JeepLiberty3.7LV6N/AThunderSpark
2007MitsubishiRaider4.7LV8N/AThunderSpark
2007MitsubishiRaider3.7LV6N/AThunderSpark
2006DodgeDakota4.7LV8N/AThunderSpark
2006DodgeDakota3.7LV6N/AThunderSpark
2006DodgeDurango4.7LV8N/AThunderSpark
2006DodgeDurango3.7LV6N/AThunderSpark
2006DodgeRam 15004.7LV8N/AThunderSpark
2006DodgeRam 15003.7LV6N/AThunderSpark
2006DodgeRam 25004.7LV8N/ASingle Coil
2006JeepCommander4.7LV8N/AThunderSpark
2006JeepCommander3.7LV6N/AThunderSpark
2006JeepGrand Cherokee4.7LV8N/AThunderSpark
2006JeepGrand Cherokee3.7LV6N/AThunderSpark
2006JeepLiberty3.7LV6N/AThunderSpark
2006MitsubishiRaider4.7LV8N/AThunderSpark
2006MitsubishiRaider3.7LV6N/AThunderSpark
2005DodgeDakota4.7LV8N/AThunderSpark
2005DodgeDakota3.7LV6N/AThunderSpark
2005DodgeDurango4.7LV8N/AThunderSpark
2005DodgeDurango3.7LV6N/AThunderSpark
2005DodgeRam 15004.7LV8N/AThunderSpark
2005DodgeRam 15003.7LV6N/AThunderSpark
2005DodgeRam 25004.7LV8N/ASingle Coil
2005JeepGrand Cherokee4.7LV8N/AThunderSpark
2005JeepGrand Cherokee3.7LV6N/AThunderSpark
2005JeepLiberty3.7LV6N/AThunderSpark
2004DodgeDakota4.7LV8N/AThunderSpark
2004DodgeDakota3.7LV6N/AThunderSpark
2004DodgeDurango4.7LV8N/AThunderSpark
2004DodgeDurango3.7LV6N/AThunderSpark
2004DodgeRam 15004.7LV8N/AThunderSpark
2004DodgeRam 15003.7LV6N/AThunderSpark
2004DodgeRam 25004.7LV8N/ASingle Coil
2004JeepGrand Cherokee4.7LV8N/AThunderSpark
2004JeepLiberty3.7LV6N/AThunderSpark
2003DodgeDakota4.7LV8N/AThunderSpark
2003DodgeDurango4.7LV8N/AThunderSpark
2003DodgeRam 15004.7LV8N/AThunderSpark
2003DodgeRam 15003.7LV6N/AThunderSpark
2003DodgeRam 25004.7LV8N/ASingle Coil
2003JeepGrand Cherokee4.7LV8N/AThunderSpark
2003JeepLiberty3.7LV6N/AThunderSpark
2002DodgeDakota4.7LV8N/AThunderSpark
2002DodgeDurango4.7LV8N/AThunderSpark
2002DodgeRam 15004.7LV8N/AThunderSpark
2002DodgeRam 15003.7LV6N/AThunderSpark
2002DodgeRam 25004.7LV8N/ASingle Coil
2002JeepGrand Cherokee4.7LV8N/AThunderSpark
2002JeepLiberty3.7LV6N/AThunderSpark
2001DodgeDakota4.7LV8N/AThunderSpark
2001DodgeDurango4.7LV8N/AThunderSpark
2001JeepGrand Cherokee4.7LV8N/AThunderSpark
2000DodgeDakota4.7LV8N/AThunderSpark
2000DodgeDurango4.7LV8N/AThunderSpark
2000JeepGrand Cherokee4.7LV8N/AThunderSpark
1999JeepGrand Cherokee4.7LV8N/AThunderSpark