Ignition Coil Spark Plugs for Honda Passport (2019-2025) 3.5L

Direct-Replacement Ignition Coil and Iridium Spark Plug Kit for 2019-2025 Honda Passport (YF7/YF8)

What it Does: The ignition coil and iridium spark plug tune-up kit replaces worn ignition components on the 2019-2025 Honda Passport to eliminate cylinder misfires, stabilize idle quality, and restore efficient combustion across all cylinders.

The Stock Honda Passport Ignition Degradation

Transverse engine packaging in the YF7/YF8 platform subjects the rear bank ignition coils to extreme thermal cycling inside the engine bay. Over sustained mileage, high operating temperatures compromise the factory coil-on-plug (COP) epoxy insulation, causing micro-arcing and internal winding breakdown. Simultaneously, factory spark plug ground electrodes erode from prolonged electrical erosion, widening the spark gap. This increases the secondary voltage demand required to initiate combustion, culminating in intermittent spark dropouts, hesitation under towing loads, reduced fuel efficiency, and P0300 through P0306 diagnostic trouble codes.

The Engineering Solution

This comprehensive tune-up kit restores factory ignition architecture without harness modifications. Each coil-on-plug unit features high-grade copper primary and secondary windings encased in void-free, impact-resistant epoxy potting to resist thermal breakdown and dielectric puncture. Heat-stabilized silicone boots shield against spark flashover along the cylinder head spark plug tubes. Paired with fine-wire iridium spark plugs, the system requires lower secondary ignition voltage to jump the gap, ensuring immediate flame kernel expansion, consistent ignition under high cylinder pressures, and extended service intervals.

What's Included

• 6x Dark Grey Coil-on-Plug Ignition Coils
• 6x Fine-Wire Iridium Spark Plugs

Technical Specifications

Compatibility

• 2019-2025 Honda Passport Sport 3.5L V6
• 2019-2025 Honda Passport EX-L 3.5L V6
• 2019-2025 Honda Passport Touring 3.5L V6
• 2019-2025 Honda Passport Elite 3.5L V6
• 2021-2025 Honda Passport TrailSport 3.5L V6
• 2024-2025 Honda Passport Black Edition 3.5L V6

Frequently Asked Questions & Fitment Warnings

Does this fit the YF7/YF8 Passport?

Yes, this is a direct fit for the 2019-2025 Honda Passport equipped with the J35Y6 3.5L V6 engine across all drive configurations.

Do I need dielectric grease during installation?

Applying a thin film of dielectric grease to the interior lip of each coil boot prevents moisture intrusion and stops the silicone from seizing against the spark plug porcelain over time.

The Honda Durability Standard

Engineered to handle heavy payloads, high ambient temperatures, and off-pavement utility, this ignition refresh ensures your direct-injected powertrain delivers uninterrupted power and peak towing capability.