Walker
ThunderSpark

Walker 921-2138 Ignition Coil

Brand Walker 921-2138
Product line ThunderSpark
Fits Ford · 16 vehicles

OE direct replacement. Matches the original ignition coil form for straightforward installation.

ThunderSpark line. Walker performance ignition components for dependable spark delivery.

Ignition coil for restoring consistent ignition performance.

$43.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $43.72
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 Applications

Walker ThunderSpark ignition coil Part Number 921-2138 is a direct-fit ignition component for select Ford and Lincoln vehicles. It is listed for 2011-2016 Ford F-150, 2011-2016 Ford Mustang, and 2011-2014 Lincoln Mark LT applications with N/A position notes.

Key Features

  • Ignition coil for engine spark delivery
  • Walker ThunderSpark product line
  • Fits 2011-2016 Ford F-150, N/A
  • Fits 2011-2016 Ford Mustang, N/A
  • Fits 2011-2014 Lincoln Mark LT, N/A
  • Part Number 921-2138 for application matching

Product Details

The Walker ThunderSpark line focuses on ignition components for service replacement needs. This ignition coil, part number 921-2138, is cataloged for Ford F-150 and Ford Mustang models from 2011 through 2016, plus Lincoln Mark LT models from 2011 through 2014. Use the vehicle fitment details to confirm the correct application before ordering.

Common Issues This Part Can Address

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

Installation Notes

Verify the engine and ignition system configuration against the vehicle listing before installation. Confirm connector style, mounting location, and OE part match for your specific Ford F-150, Ford Mustang, or Lincoln Mark LT application. Part Number 921-2138 should be matched to the exact fitment shown in the catalog.

Quality Assurance

Walker ThunderSpark is a dedicated ignition product line for replacement service parts. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2016FordF-1505.0LV8N/AThunderSpark
2016FordMustang5.0LV8N/AThunderSpark
2015FordF-1505.0LV8N/AThunderSpark
2015FordMustang5.0LV8N/AThunderSpark
2014FordF-1505.0LV8N/AThunderSpark
2014FordMustang5.0LV8N/AThunderSpark
2014LincolnMark LT5.0LV8N/ASingle Coil
2013FordF-1505.0LV8N/AThunderSpark
2013FordMustang5.0LV8N/AThunderSpark
2013LincolnMark LT5.0LV8N/ASingle Coil
2012FordF-1505.0LV8N/AThunderSpark
2012FordMustang5.0LV8N/AThunderSpark
2012LincolnMark LT5.0LV8N/ASingle Coil
2011FordF-1505.0LV8N/AThunderSpark
2011FordMustang5.0LV8N/AThunderSpark
2011LincolnMark LT5.0LV8N/ASingle Coil