Ignition Coil and Iridium Spark Plugs for Ford Fusion (2013-2020) 2.0L
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Direct-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2013-2020 Ford Fusion
What it Does: Replaces degraded factory ignition coils and fouled plugs to restore primary voltage delivery, eliminate misfires, and stabilize combustion efficiency across the cylinder bank.
The Stock Fusion Ignition Degradation
The turbocharged 2.0L EcoBoost engine subjects factory coil-on-plug (COP) assemblies to intense thermal cycling and high cylinder pressures. Over time, heat soak degrades the internal epoxy encapsulation and causes micro-fractures in the primary and secondary copper windings. This leads to dielectric breakdown, secondary voltage leakage, and unmetered spark blowout under boost. Concurrently, factory standard spark plug electrodes suffer erosion, widening the plug gap and forcing the ignition coils to draw excessive primary current, leading to intermittent P0300-P0304 DTC misfire codes and rough idle.
The Engineering Solution
This comprehensive ignition service kit utilizes high-grade magnetic core copper windings encased in high-dielectric epoxy to resist thermal degradation and prevent internal arching. The paired fine-wire iridium spark plugs offer superior thermal conductivity and require significantly lower firing voltage than nickel or platinum alternatives. Featuring factory-spec blade terminals and robust boot seals, this system ensures sustained dielectric isolation, reliable cold-start arc initiation, and consistent flame kernel propagation under load.
Technical Specifications
| Fitment | 2013-2020 Ford Fusion |
| Engine / Chassis | 2.0L EcoBoost I4 / CD4 |
| Stock Output | 245 hp / 275 lb-ft (Approx) |
| Part Number / Interchange | UF670, DG546, 5C1873, CM5Z-12029-A, CM5E-12A366-BC, CM5E12A366CA, JDE30294, 6736203 |
Compatibility
- 2013-2020 Ford Fusion (2.0L 4-Cylinder Turbocharged Gas Models)
- Includes 4 Direct-Fit Coil-on-Plug (COP) Assemblies
- Includes 4 High-Durability Iridium Spark Plugs
The Ford Fleet-Grade Standard
Engineered to precise OEM resistance and inductance tolerances, this ignition package delivers factory-level electrical matching to prevent unmetered current draw on the PCM driver circuits while ensuring zero misfire operation under daily commuter and fleet duty cycles.
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