Walker 921-2065 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2065

Walker ThunderSpark ignition coil 921-2065 is a direct-fit ignition component for select Ford, Mazda, and Mercury applications. It is built for vehicles that need a reliable replacement ignition coil to restore consistent spark delivery and engine performance.

Key Features

• Walker ThunderSpark ignition coil for OE-style replacement
• Part number 921-2065 for accurate ordering and fitment lookup
• Compatible with select Ford Focus, Ford Escape, Ford Transit Connect, and related applications
• Also listed for Mazda Tribute, Mazda 3, Mazda 6, Mercury Mariner, Ford Fiesta, Ford Transit, and Ford EcoSport applications
• Fits vehicles using the ThunderSpark coil application noted in the catalog

Fitment Details

• Fits 2007-2017 Ford EcoSport, N/A, Single Coil
• Fits 2007-2014 Ford Transit, N/A, Single Coil
• Fits 2010-2013 Ford Transit Connect, N/A, ThunderSpark
• Fits 2003-2011 Ford Focus, N/A, ThunderSpark
• Fits 2005-2008 Ford Escape, N/A, ThunderSpark
• Fits 2008 Ford Fiesta, N/A, ThunderSpark
• Fits 2008 Mazda Tribute, N/A, ThunderSpark
• Fits 2005-2006 Mazda Tribute, N/A, ThunderSpark
• Fits 2005-2008 Mercury Mariner, N/A, ThunderSpark
• Fits 2004-2005 Mazda 3, N/A, ThunderSpark
• Fits 2005 Mazda 6, N/A, Calif-ESV- COP Ignition; ThunderSpark

What It Helps Address

• Misfire conditions caused by a weak or failing ignition coil
• Rough idle related to inconsistent spark output
• Hard starting when ignition energy is reduced
• Loss of power under load from poor coil performance
• Check engine light concerns tied to ignition system faults

Installation Notes

Verify the vehicle year, make, model, and engine-specific ignition setup before ordering. Match the catalog notes exactly, especially for applications marked ThunderSpark, Single Coil, or Calif-ESV- COP Ignition. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Walker ThunderSpark parts are cataloged for direct application matching, helping simplify replacement selection for Ford Focus, Ford Escape, Mazda Tribute, and other listed vehicles. Confirm fitment against the vehicle’s ignition configuration before installation.