Ignition Coil & Iridium Spark Plugs for Nissan Maxima (2002-2008) 3.5L V6

High-Performance Ignition Coil & Iridium Spark Plugs for 2002-2008 Nissan Maxima

Restores spark consistency and eliminates engine misfires by replacing degrading factory ignition coils and worn plugs with a high-voltage, iridium-core solution.

The Stock Maxima Thermal Degradation Problem

The OEM VQ35DE ignition coils are notorious for thermal degradation over time, primarily due to the intense heat cycles generated within the tightly packed transverse engine bay of the A33 and A34 Maxima chassis. Factory coils often suffer from microscopic cracks in the epoxy potting, leading to voltage leaks, intermittent misfires, rough idling, and significant drops in fuel efficiency. Paired with standard spark plugs that wear down the center electrode rapidly under load, the stock ignition system becomes a major bottleneck for both performance and reliability, frequently triggering P0300-series misfire diagnostic trouble codes under load.

The Engineering Solution

This complete six-pack ignition coil and iridium spark plug kit is engineered to permanently resolve VQ35DE spark blowout and voltage degradation. The upgraded ignition coils feature heavy-duty copper wiring arrays and high-temperature resistant epoxy potting, offering superior dielectric strength to resist heat soak and prevent internal arcing. By stepping up the primary voltage with greater efficiency, these coils deliver a stronger, highly consistent spark event. Complementing the coils, the included high-performance iridium spark plugs utilize an ultra-fine iridium center electrode and a precision-tapered ground electrode. This advanced metallurgy requires less firing voltage while providing unparalleled resistance to thermal oxidation and electrode wear. The result is restored throttle response, smoother idle characteristics, and optimized combustion efficiency across the entire RPM band.

Technical Specifications

Compatibility

• 2002 Nissan Maxima 3.5L V6
• 2003 Nissan Maxima 3.5L V6
• 2004 Nissan Maxima 3.5L V6
• 2005 Nissan Maxima 3.5L V6
• 2006 Nissan Maxima 3.5L V6
• 2007 Nissan Maxima 3.5L V6
• 2008 Nissan Maxima 3.5L V6

The Nissan Performance Standard

Restoring the legendary power delivery and smooth acceleration of the naturally aspirated VQ35DE ensures your Maxima remains a highly responsive, capable highway cruiser without the hesitation of a failing ignition system.