Delphi GN10638 Ignition Coil

Ignition Coil for Ford and Lincoln Applications

Restore consistent spark output with this Delphi ignition coil, part number GN10638. It is a coil-on-plug ignition coil with a 3-terminal male blade connection, built for direct replacement service on select Ford and Lincoln vehicles.

Key Features

• Coil-on-plug ignition coil for direct spark delivery
• 3-terminal male blade connector for proper electrical interface
• Includes ignition coil and instruction sheet
• OE heritage backed by Delphi’s long history supplying original equipment to major automakers
• Cross-references Standard Ignition UF-646 and Walker Products 921-2146 for the same application

Detailed Description

Delphi GN10638 is an ignition coil engineered for vehicles that use a coil-on-plug design, helping maintain stable ignition performance across a wide range of Ford and Lincoln platforms. Delphi draws on OE experience and original-equipment knowledge to produce aftermarket parts that match the demands of modern ignition systems. This part number GN10638 is used on applications including Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Explorer, Flex, Taurus, Expedition, F-150, and Lincoln MKT, MKS, Navigator, and MKT models listed in the fitment data.

Compatible With 2015-2024 Ford Transit-150, 2015-2024 Ford Transit-250, 2015-2024 Ford Transit-350, 2015-2024 Ford Transit-350 HD, 2013-2019 Ford Explorer, 2013-2019 Ford Flex, 2013-2019 Ford Taurus, 2013-2019 Lincoln MKT, 2015-2017 Ford Expedition, 2015-2017 Lincoln Navigator, 2011-2016 Ford F-150, 2014-2016 Lincoln MKS, 2013 Lincoln MKS from 10/01/2012, 2012 Ford Taurus from 02/06/2012, and 2012 Lincoln MKT from 02/09/2012.

Common Replacement Reasons

• Engine misfire or rough idle
• Hard starting or intermittent no-start condition
• Loss of power under load
• Check engine light related to ignition performance
• Weak or inconsistent spark delivery

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. Inspect the spark plug, coil boot area, and related wiring for wear or contamination before fitting the new coil. For best results, replace the coil on the cylinder location specified by the vehicle service procedure and clear any stored diagnostic trouble codes after installation.

Quality Assurance

Delphi builds this ignition coil using OE heritage and engineering knowledge developed through more than a century of original-equipment experience. That background supports consistent fitment and dependable ignition system service on Ford and Lincoln applications.