Ignition Coil and Iridium Spark Plugs for Ford EcoSport (2018-2021) 1.0L
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Direct-Replacement Ignition Coil and Iridium Spark Plug Service Kit for 2018-2021 Ford EcoSport
What it Does: The ignition coil and iridium spark plug kit replaces deteriorated factory ignition hardware on the 2018-2021 Ford EcoSport to eliminate misfires, restore combustion efficiency, and stabilize idle quality.
The Stock Ford EcoSport Thermal Degradation and Secondary Breakdown
The compact Ford EcoBoost 1.0L Fox inline-three operates under aggressive turbocharger boost profiles and tightly packaged cylinder head architecture. Factory pencil coils on the BK-chassis endure extreme thermal cycling, causing micro-fracturing in the outer epoxy casing. Over time, high cylinder pressures blow out the secondary spark kernel, resulting in high-rpm spark blowout, carbon tracking along the spark plug ceramic, and P0300-P0303 misfire trouble codes under load.
The Engineering Solution
This service kit resolves secondary ignition collapse by combining reinforced coil-on-plug pencil units with high-temp dielectric silicone boots and fine-wire iridium spark plugs. The internal primary and secondary windings feature heavy-gauge copper insulated with premium resin to resist internal arching under continuous peak primary voltage. Paired with fine-wire iridium center electrodes, the kit lowers required firing voltage, accelerates flame-front propagation, and resists the accelerated electrode erosion typical of direct-injected, pressurized combustion chambers.
Technical Specifications
| Fitment | 2018-2021 Ford EcoSport |
|---|---|
| Engine / Chassis | 1.0L EcoBoost (Fox) / BK (B2E Platform) |
| Stock Output | 123 hp / 125 lb-ft |
| Replaces OEM Part # | CM5Z-12029-C, CM5Z-12029-B, UF-736 |
Compatibility
- 2018 Ford EcoSport S, SE (1.0L I3 EcoBoost Turbo)
- 2019 Ford EcoSport S, SE (1.0L I3 EcoBoost Turbo)
- 2020 Ford EcoSport S, SE (1.0L I3 EcoBoost Turbo)
- 2021 Ford EcoSport S, SE (1.0L I3 EcoBoost Turbo)
Frequently Asked Questions
Does this fit the BK EcoSport?
Yes, this is a direct fit for the 2018-2021 Ford EcoSport equipped with the 1.0L EcoBoost engine.
Are the iridium spark plugs pre-gapped for direct-injection turbo applications?
Yes, plugs are factory-gapped to OEM specification, though checking gap prior to installation is recommended to verify zero freight handling damage.
The Ford Fleet Service Caliber
Engineered for high-duty-cycle daily operation, this kit withstands the demanding operational parameters of turbocharged direct-injection platforms, delivering consistent arc performance and zero CEL faults.
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