Ignition Coil Spark Plugs for Acura MDX (2014-2020) 3.5L

Direct-Replacement Ignition Coil and Iridium Spark Plug Kit for 2014-2020 Acura MDX (YD3)

What it Does: The ignition coil and spark plug kit replaces degraded factory coils and worn plugs on the 2014-2020 Acura MDX to eliminate misfire codes, stabilize rough idle, and restore combustion efficiency across all six cylinders.

The Stock Acura MDX Ignition Breakdown

Under repeated thermal cycling within the tightly packaged transverse engine bay of the YD3 chassis, factory coil-on-plug (COP) assemblies suffer insulation degradation and micro-arcing through the internal winding epoxy. Simultaneously, original spark plugs endure center electrode erosion that widens the spark gap past factory limits. In direct-injected J35Y5 powerplants, this breakdown presents as intermittent misfires under load, hard cold starts, check engine illumination (DTC P0300-P0306), and unburnt fuel contamination that accelerates catalytic converter wear.

The Engineering Solution

This refresh package pairs six direct-fit COP ignition coils with six fine-wire iridium spark plugs to re-establish stable spark delivery. The coils feature heat-resistant silicone boots and high-dielectric epoxy potting to isolate secondary voltage surges up to factory spec. The fine-wire iridium plugs reduce ignition voltage demand while offering superior wear resistance against thermal erosion compared to standard copper or platinum cores. The result is instantaneous cold-start firing, restored low-end torque delivery, and zero trigger-circuit fault codes.

What's Included

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

Technical Specifications

Compatibility

• 2014-2020 Acura MDX Base 3.5L V6 (FWD / SH-AWD)
• 2014-2020 Acura MDX Technology Package 3.5L V6 (FWD / SH-AWD)
• 2014-2020 Acura MDX Advance Package 3.5L V6 (FWD / SH-AWD)
• 2019-2020 Acura MDX A-Spec 3.5L V6 (SH-AWD)
• 2014-2020 Acura MDX Entertainment Package 3.5L V6 (FWD / SH-AWD)

Frequently Asked Questions & Fitment Warnings

Does this fit the YD3 MDX?

Yes, this is a direct fit for the 2014-2020 Acura MDX equipped with the J35Y5 3.5L V6 engine. This kit does not fit 3.0L Sport Hybrid models.

Do I need dielectric grease during installation?

A thin layer of dielectric grease applied to the interior base of each silicone boot is recommended to isolate moisture and ensure trouble-free boot removal during future spark service.

The Acura Engineering Caliber

Designed to maintain strict Japanese OEM tolerances, this secondary ignition kit delivers clean combustion cycles, consistent throttle response, and smooth power delivery across the entire operating range of your V6.