The Honda Pilot SUV and Ridgeline truck share Honda's proven 3.5L V6 engine family. Here's what to use for reliable, long-lasting ignition performance in both vehicles.
3.5L V6 (J35 Family)
Honda's 3.5L J35 V6 is found in the Pilot, Ridgeline, Passport, and Odyssey. NGK Laser Iridium plugs are the OEM specification — Honda and NGK have a longstanding OEM supply relationship. The 3.5L uses iridium plugs on a 60,000-mile service schedule.
VTEC Considerations
Honda's VTEC variable valve timing system creates variable cylinder pressures across the RPM range. Quality iridium plugs handle the transition smoothly — cheap copper plugs can misfire during the VTEC crossover point, causing a noticeable stumble.
Ridgeline-Specific Notes
The Ridgeline's engine sits transversely in a unibody truck platform. Access to the rear bank of plugs requires removing an intake manifold cover on some model years. Plan an hour or two for the job.
How Many Plugs Does the 3.5L Use?
The 3.5L V6 uses 6 spark plugs — one per cylinder. Always replace all 6 as a set to maintain even combustion and prevent rough idle caused by inconsistent plug condition across cylinders.
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