Walker
ThunderSpark

Walker 921-2141 Ignition Coil

Brand Walker 921-2141
Product line ThunderSpark
Fits Ford and Mercury · 65 vehicles

ThunderSpark line. Walker ignition coil built for dependable spark delivery.

Ignition coil. Converts low voltage into the high voltage needed for ignition.

$34.56Free shipping
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Walker ThunderSpark Ignition Coil 921-2141

Walker ThunderSpark ignition coil 921-2141 is a direct-fit ignition coil for a wide range of Ford, Lincoln, Mazda, and Mercury applications. It is built for single-coil use on supported vehicles, including Ford Fusion, Ford Escape, Ford Ranger, Lincoln MKZ, and Transit Connect models.

Key Features

  • Ignition coil for single-coil applications
  • Walker ThunderSpark product line
  • Direct-fit coverage for multiple Ford, Lincoln, Mazda, and Mercury vehicles
  • Supports 2009-2022 model-year coverage across listed applications
  • Part number 921-2141 for catalog and service matching

Detailed Description

Walker ThunderSpark 921-2141 is an ignition coil designed for vehicles that use a single-coil configuration. Compatible applications include 2017-2022 Ford Transit Connect, 2016-2020 Ford Fusion, 2013-2020 Ford Ranger, 2011-2020 Lincoln MKZ, 2017-2019 Ford Escape, 2017-2018 Ford C-Max, 2019-2020 Ford SSV Plug-In Hybrid, 2009-2016 Ford Escape, 2014-2016 Ford Transit Connect, 2011-2015 Ford Fusion, 2009-2011 Mazda Tribute, 2009-2011 Mercury Mariner, and 2010-2011 Mercury Milan. The ThunderSpark line covers select Ford and related-platform vehicles with application-specific fitment, making 921-2141 a practical replacement choice when servicing ignition system faults.

What It Helps Address

  • Engine misfire conditions
  • Hard starting related to weak ignition output
  • Rough idle caused by coil failure
  • Loss of power under acceleration
  • Check engine light concerns tied to ignition performance

Installation Notes

Verify the vehicle’s year, make, model, and ignition configuration before installation. This part is listed for single-coil applications only, so confirm the original coil style and connector match the vehicle being serviced. Use the part number 921-2141 and the vehicle fitment list to confirm the correct application before replacement.

Quality Assurance

Walker ThunderSpark is the product line for this ignition coil, and 921-2141 is cataloged for specific OE-style applications across Ford, Lincoln, Mazda, and Mercury platforms. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 65 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2022FordTransit Connect2.5LL4—N/ASingle Coil
2021FordTransit Connect2.5LL4—N/ASingle Coil
2020FordFusion2.5LL4—N/ASingle Coil
2020FordRanger2.5LL4—N/ASingle Coil
2020FordSSV Plug-In Hybrid2.0LL4—N/ASingle Coil
2020FordTransit Connect2.5LL4—N/ASingle Coil
2020LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2019FordEscape2.5LL4—N/ASingle Coil
2019FordFusion2.5LL4—N/ASingle Coil
2019FordRanger2.5LL4—N/ASingle Coil
2019FordSSV Plug-In Hybrid2.0LL4—N/ASingle Coil
2019FordTransit Connect2.5LL4—N/ASingle Coil
2019LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2018FordC-Max2.0LL4—N/ASingle Coil
2018FordEscape2.5LL4—N/ASingle Coil
2018FordFusion2.5LL4—N/ASingle Coil
2018FordRanger2.5LL4—N/ASingle Coil
2018FordTransit Connect2.5LL4—N/ASingle Coil
2018LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2017FordC-Max2.0LL4—N/ASingle Coil
2017FordEscape2.5LL4—N/ASingle Coil
2017FordFusion2.5LL4—N/ASingle Coil
2017FordRanger2.5LL4—N/ASingle Coil
2017FordTransit Connect2.5LL4—N/ASingle Coil
2017LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2016FordC-Max2.0LL4—N/AThunderSpark
2016FordEscape2.5LL4—N/AThunderSpark
2016FordFusion2.5LL4—N/ASingle Coil
2016FordRanger2.5LL4—N/ASingle Coil
2016FordTransit Connect2.5LL4—N/AThunderSpark
2016LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2015FordC-Max2.0LL4—N/AThunderSpark
2015FordEscape2.5LL4—N/AThunderSpark
2015FordFusion2.5LL4—N/AThunderSpark
2015FordRanger2.5LL4—N/ASingle Coil
2015FordTransit Connect2.5LL4—N/AThunderSpark
2015LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2014FordC-Max2.0LL4—N/AThunderSpark
2014FordEscape2.5LL4—N/AThunderSpark
2014FordFusion2.5LL4—N/AThunderSpark
2014FordRanger2.5LL4—N/ASingle Coil
2014FordTransit Connect2.5LL4—N/AThunderSpark
2014LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2013FordC-Max2.0LL4—N/AThunderSpark
2013FordEscape2.5LL4—N/AThunderSpark
2013FordFusion2.5LL4—N/AThunderSpark
2013FordRanger2.5LL4—N/ASingle Coil
2013LincolnMKZ2.0LL4FULL HYBRID EV-GAS (FHEV)N/ASingle Coil
2012FordEscape2.5LL4—N/AThunderSpark
2012FordFusion2.5LL4—N/AThunderSpark
2012LincolnMKZ2.5LL4—N/ASingle Coil
2011FordEscape2.5LL4—N/AThunderSpark
2011FordFusion2.5LL4—N/AThunderSpark
2011LincolnMKZ2.5LL4—N/ASingle Coil
2011MazdaTribute2.5LL4—N/ASingle Coil
2011MercuryMariner2.5LL4—N/ASingle Coil
2011MercuryMilan2.5LL4—N/AThunderSpark
2010FordEscape2.5LL4—N/AThunderSpark
2010FordFusion2.5LL4—N/ASingle Coil
2010MazdaTribute2.5LL4—N/ASingle Coil
2010MercuryMariner2.5LL4—N/ASingle Coil
2010MercuryMilan2.5LL4—N/AThunderSpark
2009FordEscape2.5LL4—N/AThunderSpark
2009MazdaTribute2.5LL4—N/ASingle Coil
2009MercuryMariner2.5LL4—N/ASingle Coil