Ignition Coil and Iridium Spark Plugs for Ford F-150 (2016-2017) 3.5L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2016-2017 Ford F-150

Complete Ignition Refresh: Restores factory secondary voltage output, eliminates under-load misfires, and stabilizes idle across all cylinders on the 2016-2017 Ford F-150 3.5L V6.

The Stock F-150 Coil Breakdown and High-Load Misfire Weakness

Under continuous thermal cycling in the P552 chassis engine bay, factory coil-on-plug (COP) assemblies suffer insulation breakdown and micro-cracking in the primary epoxy potting. This thermal degradation leads to internal electrical shorting, dielectric leakage, and insufficient voltage transfer. Simultaneously, factory spark plugs experience electrode erosion and widening gap tolerances. Under heavy acceleration and cylinder pressure, this causes spark blowout, hesitations, diminished fuel efficiency, and P0300–P0306 diagnostic trouble codes.

The Engineering Solution

This comprehensive ignition service kit features six coil assemblies built with high-density internal copper windings and high-grade dielectric epoxy housings to resist thermal fatigue and prevent voltage arcing. Matched with six fine-wire iridium spark plugs, the kit delivers superior spark kernel propagation, wear resistance, and high-temperature durability. OEM-spec blade terminals and connectors ensure a secure, direct-fit interface without resistance spikes.

Technical Specifications

Compatibility

• 2016 Ford F-150 3.5L V6 (XL, XLT, Lariat, King Ranch, Platinum, Limited)
• 2017 Ford F-150 3.5L V6 (XL, XLT, Lariat, King Ranch, Platinum, Limited)

The Ford Heavy-Duty Reliability Standard

Constructed to withstand high-demand commercial fleet operation, heavy payload hauling, and continuous towing cycles without ignition breakdown or cylinder washdown.