Denso 673-6103 Direct Ignition Coil

Denso Direct Ignition Coil for Ford Super Duty

Denso Direct Ignition Coil - Coil Near Plug 673-6103 is a 12-volt ignition coil built for Ford Super Duty applications that use a coil-near-plug setup. It is a black, single-tower coil with a female tower gender, made for direct replacement use on select Ford E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty models.

Key Features

• 12.0-volt direct ignition coil for coil-near-plug systems
• Black housing with 1 female tower
• OE-style replacement for select Ford Super Duty applications
• Denso stick coil technology with inspection and testing processes focused on ignition quality
• Part number 673-6103 for easy identification

Product Details

Denso 673-6103 is part of the Direct Ignition Coil - Coil Near Plug line, a product family focused on stick coil applications where the coil mounts close to the spark plug. For Ford E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty models, this ignition coil supports consistent spark delivery in the original equipment configuration. If you are searching for a Denso ignition coil for Ford Super Duty trucks or a direct ignition coil for coil near plug systems, 673-6103 is the correct reference to verify against your vehicle application.

This part cross-references Standard Ignition UF893 for the same application.

What It Helps Address

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

Installation Notes and Tips

Confirm the vehicle year, model, and original coil-near-plug configuration before ordering. This part fits 2021-2022 Ford E-350 Super Duty, 2020-2022 Ford F-250 Super Duty, and 2020-2022 Ford F-350 Super Duty, all in N/A position listings as shown in the fitment data. Compare the connector style, tower gender, and part number 673-6103 to the removed coil to verify application match before installation.

Quality Assurance

Denso states that its stick coil technology is backed by testing and inspection processes used to maintain ignition coil quality. The manufacturer positions this part as an OE-style replacement for the listed Ford Super Duty applications.