Walker 921-2146 Ignition Coil

Walker ThunderSpark Ignition Coil

Walker ThunderSpark ignition coil Part Number 921-2146 is a direct-fit ignition coil for select Ford and Lincoln applications. It is listed for single-coil use on a wide range of 2011-2024 vehicles, including Ford F-150, Explorer, Transit, and Lincoln Navigator models.

Key Features

• Walker ThunderSpark ignition coil for engine ignition service
• Part Number 921-2146 for catalog and fitment lookup
• Single-coil application for select Ford and Lincoln vehicles
• Fits 2011-2024 Ford and Lincoln models listed below
• Supports ignition system repair on high-mileage or misfiring engines

Fitment Details

• Fits 2017-2024 Ford Transit-150, N/A, Single Coil
• Fits 2017-2024 Ford Transit-250, N/A, Single Coil
• Fits 2017-2024 Ford Transit-350, N/A, Single Coil
• Fits 2017-2024 Ford Transit-350 HD, N/A, Single Coil
• Fits 2020-2022 Ford Transit, N/A, Single Coil
• Fits 2017-2019 Ford Explorer, N/A, Single Coil
• Fits 2017-2019 Ford Flex, N/A, Single Coil
• Fits 2017-2019 Ford Taurus, N/A, Single Coil
• Fits 2017-2019 Lincoln MKT, N/A, Single Coil
• Fits 2017 Ford Expedition, N/A, Single Coil
• Fits 2017 Lincoln Navigator, N/A, Single Coil
• Fits 2015-2016 Ford Expedition, N/A, ThunderSpark
• Fits 2013-2016 Ford Explorer, N/A, ThunderSpark
• Fits 2011-2016 Ford F-150, N/A, ThunderSpark
• Fits 2013-2016 Ford Flex, N/A, ThunderSpark
• Fits 2011-2016 Ford Taurus, N/A, ThunderSpark
• Fits 2015-2016 Ford Transit-150, N/A, ThunderSpark
• Fits 2015-2016 Ford Transit-250, N/A, ThunderSpark
• Fits 2015-2016 Ford Transit-350, N/A, ThunderSpark
• Fits 2015-2016 Ford Transit-350 HD, N/A, ThunderSpark
• Fits 2013-2016 Lincoln MKS, N/A, ThunderSpark
• Fits 2012-2016 Lincoln MKT, N/A, ThunderSpark
• Fits 2015-2016 Lincoln Navigator, N/A, ThunderSpark

Common Repair Uses

• Engine misfire diagnosis and repair
• Rough idle caused by weak ignition output
• Hard starting related to ignition coil failure
• Check engine light concerns tied to ignition performance
• Loss of power under load from inconsistent spark delivery

Installation Notes

Verify engine and model-year fitment before ordering, especially on Ford F-150, Explorer, Transit, Taurus, and Lincoln Navigator applications. Match the existing coil style and connector configuration to the vehicle listing, and inspect spark plugs and related ignition components during service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Walker ThunderSpark parts are cataloged for specific vehicle applications and identified by Part Number 921-2146 for accurate replacement selection. Confirm fitment against the vehicle’s year, make, model, and ignition configuration before installation.