Ignition Coil Spark Plugs for Honda Odyssey (2018-2025) 3.5L

OEM-Grade Ignition Coil and Iridium Spark Plug Kit for 2018-2025 Honda Odyssey (RL6)

What it Does: The ignition coil and spark plug tune-up kit replaces aged, degraded ignition hardware on the 2018-2025 Honda Odyssey to eliminate misfires, stabilize idle dynamics, and restore factory combustion efficiency.

The Stock Honda Odyssey Ignition Breakdown

In the transverse-mounted 3.5L V6, excessive engine bay heat soak accelerates internal thermal degradation within the factory coil-on-plug (COP) assemblies. Over time, internal epoxy insulation breaks down and boot silicone hardens, causing dielectric puncture and voltage leakage under heavy load. Combined with extended spark gaps on eroded factory plugs, the ignition system draws higher primary current, triggering P0300 through P0306 misfire codes, erratic idle, and hesitation during cylinder deactivation transitions.

The Engineering Solution

This comprehensive refresh kit pairs six heavy-duty ignition coils with fine-wire iridium spark plugs to re-establish a reliable spark kernel. The direct-fit coils feature vacuum-impregnated, heat-resistant epoxy potting and robust silicone boots designed to withstand high cylinder-head temperatures without arcing. The matched iridium plugs require lower ionization voltage, reducing secondary winding stress and resisting premature gap erosion under high thermal stress.

What's Included

• 6 Ignition Coils (Dark Grey)
• 6 Iridium Spark Plugs

Technical Specifications

Compatibility

• 2018-2025 Honda Odyssey 3.5L V6 (LX, EX, EX-L, Touring, Elite)

Frequently Asked Questions & Fitment Warnings

Does this fit the RL6 Odyssey?

Yes, this is a direct fit for the 2018-2025 Honda Odyssey equipped with the J35Y6 3.5L engine across all automatic transmission trims.

Do I need to apply dielectric grease during installation?

Applying a thin film of dielectric grease inside the boot base is recommended to prevent moisture intrusion and ensure hassle-free boot release during future servicing.

The Honda Standard

Restoring pristine ignition parameters ensures the direct-injected J35Y6 delivers immediate throttle response, consistent fuel atomization, and smooth variable-displacement operation across all driving conditions.