Walker
ThunderSpark

Walker 921-2001 Ignition Coil

Brand Walker 921-2001
Product line ThunderSpark
Fits Ford, Lincoln, and Mercury · 36 vehicles

OE direct replacement. Ignition coil built for straightforward replacement.

ThunderSpark line. Walker performance-focused ignition product line.

Ignition coil for reliable spark delivery.

$30.40Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $30.40
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderSpark Ignition Coil for Ford and Lincoln

Walker ThunderSpark ignition coil Part Number 921-2001 is a direct-fit ignition coil for select Ford, Lincoln, and Mercury applications. It is listed for Mustang, GT, Aviator, Navigator, Marauder, Blackwood, Town Car, Continental, and Mark VIII models across the 1997-2014 model years.

Key Features

  • Walker ThunderSpark ignition coil line
  • Part Number 921-2001
  • Direct replacement ignition coil for select Ford Mustang and Lincoln applications
  • Fits vehicles with N/A position listings as shown in the fitment data
  • Coverage spans 1997-2014 across multiple Ford, Lincoln, and Mercury models

Detailed Description

Walker ThunderSpark 921-2001 is an ignition coil built for specific Ford Mustang, Ford GT, Lincoln Aviator, Lincoln Navigator, Mercury Marauder, Lincoln Blackwood, Lincoln Town Car, Lincoln Continental, and Lincoln Mark VIII applications. Use this part when replacing a failed coil on vehicles listed in the fitment table, including Fits 2007-2014 Ford Mustang, N/A; Fits 2005-2006 Ford GT, N/A; and Fits 1999-2004 Lincoln Navigator, N/A. The ThunderSpark product line identifies this coil as part of Walker’s ignition offering for targeted vehicle coverage.

Common Issues This Part Can Address

  • Engine misfire under load
  • Rough idle or uneven engine operation
  • Hard starting caused by weak ignition output
  • Loss of power from a failing ignition coil
  • Check engine light related to ignition performance

Installation Notes and Tips

Verify the year, make, model, and fitment notes before ordering. Match the application exactly to the vehicle listed in the fitment data, including the specific ThunderSpark note where shown. Inspect related ignition components during replacement and confirm all electrical connections are clean and secure before returning the vehicle to service.

Quality Assurance

Walker ThunderSpark 921-2001 is cataloged for the confirmed applications shown above and should be selected by exact vehicle fitment. This part cross-references no additional part numbers in the provided data.

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2014FordMustang—5.8LV8—N/AThunderSpark
2013FordMustang—5.8LV8—N/AThunderSpark
2012FordMustang—5.4LV8—N/AThunderSpark
2011FordMustang—5.4LV8—N/AThunderSpark
2010FordMustang—5.4LV8—N/AThunderSpark
2009FordMustang—5.4LV8—N/AThunderSpark
2008FordMustang—5.4LV8—N/AThunderSpark
2007FordMustang—5.4LV8—N/AThunderSpark
2007FordMustangShelby GT4.6LV8—N/AThunderSpark
2006FordGT—5.4LV8—N/AThunderSpark
2005FordGT—5.4LV8—N/AThunderSpark
2005LincolnAviator—4.6LV8—N/AThunderSpark
2004FordMustang—4.6LV8—N/AThunderSpark
2004LincolnAviator—4.6LV8—N/AThunderSpark
2004LincolnNavigator—5.4LV8—N/AThunderSpark
2004MercuryMarauder—4.6LV8—N/AThunderSpark
2003FordMustang—4.6LV8—N/AThunderSpark
2003LincolnAviator—4.6LV8—N/AThunderSpark
2003LincolnBlackwood—5.4LV8—N/ASingle Coil
2003LincolnNavigator—5.4LV8—N/AThunderSpark
2003LincolnTown Car—4.6LV8—N/AThunderSpark
2003MercuryMarauder—4.6LV8—N/AThunderSpark
2002LincolnBlackwood—5.4LV8GASN/AThunderSpark
2002LincolnContinental—4.6LV8GASN/AThunderSpark
2002LincolnNavigator—5.4LV8—N/AThunderSpark
2001FordMustang—4.6LV8—N/AThunderSpark
2001LincolnContinental—4.6LV8GASN/AThunderSpark
2001LincolnNavigator—5.4LV8—N/AThunderSpark
2000LincolnContinental—4.6LV8GASN/AThunderSpark
2000LincolnNavigator—5.4LV8—N/AThunderSpark
1999FordMustang—4.6LV8—N/AThunderSpark
1999LincolnContinental—4.6LV8GASN/AThunderSpark
1999LincolnNavigator—5.4LV8—N/AThunderSpark
1998LincolnContinental—4.6LV8—N/AThunderSpark
1998LincolnMark VIII—4.6LV8—N/AThunderSpark
1997LincolnMark VIII—4.6LV8—N/AThunderSpark