Ignition Coil Spark Plugs for Honda Pilot (2009-2015) 3.5L

Direct-Fit Ignition Coil & Iridium Spark Plug Kit for 2009-2015 Honda Pilot (YF4)

What it Does: The Ignition Coil and Iridium Spark Plug Kit refreshes the primary ignition system on the 2009-2015 Honda Pilot to eliminate engine misfires, stabilize idle quality, and restore peak combustion efficiency.

The Stock Honda Pilot Ignition Weakness

Under continuous heat cycling inside the compact engine bay of the 3.5L J35Z4, factory coil windings suffer from dielectric breakdown while thermal fatigue degrades the lower silicone boots. Concurrently, electrode erosion on worn spark plugs widens the gap, demanding excessive secondary voltage from the coils. This degradation creates primary winding resistance spikes, triggering P0300-P0306 DTC misfire codes, rough idling, hesitation under acceleration, and erratic cylinder deactivation engagement during Variable Cylinder Management (VCM) operation.

The Engineering Solution

This comprehensive tune-up kit supplies six high-dielectric coil-on-plug (COP) units and six matching fine-wire iridium spark plugs. The coils utilize premium copper wire with vacuum-infused epoxy potting to resist thermal degradation and internal arcing. Paired with fine-wire iridium center electrodes, the system lowers the voltage threshold required to bridge the spark gap, maintaining a consistent spark kernel under dynamic cylinder loads. Heat-resistant boots seal out moisture, ensuring sustained arc integrity across every cylinder.

What's Included

• 6x Direct-Fit Coil-on-Plug Ignition Coils (Black)
• 6x Fine-Wire Iridium Spark Plugs

Technical Specifications

Compatibility

• 2009-2015 Honda Pilot LX 3.5L V6 (J35Z4)
• 2009-2015 Honda Pilot EX 3.5L V6 (J35Z4)
• 2009-2015 Honda Pilot EX-L 3.5L V6 (J35Z4)
• 2009-2015 Honda Pilot Touring 3.5L V6 (J35Z4)
• 2015 Honda Pilot SE 3.5L V6 (J35Z4)

Frequently Asked Questions & Fitment Warnings

Does this fit the YF4 Pilot?

Yes, this kit is a direct fit for the 2009-2015 Honda Pilot equipped with the 3.5L J35Z4 V6 engine across all trims and drivetrains (2WD and 4WD).

What are the installation torque values for this setup?

Torque spark plugs to 13 lb-ft (18 Nm) into the aluminum head and secure the coil hold-down 10mm bolts to 7.2 lb-ft (10 Nm) to prevent stripped head threads.

The Honda Standard

Engineered to handle sustained loads and high under-hood heat cycles, this complete ignition refresh restores dependable throttle response and full towing capability to your V6 platform.