Ignition Coil & Iridium Spark Plugs for Jeep Commander (2006-2010) 5.7L V8

Heavy-Duty Ignition Coils & Iridium Spark Plugs for 2006-2010 Jeep Commander (5.7L HEMI / XK)

Replaces failing OEM coils and worn plugs to restore misfire-free performance, optimize fuel burn, and maintain consistent spark energy under high load.

The Stock Commander Ignition Weakness

The 5.7L HEMI utilizes a distinct dual-spark plug per cylinder design requiring 16 total plugs, heavily demanding robust coil performance. Over time, factory coil packs degrade from repeated under-hood heat cycling and engine vibration. This structural stress leads to increased internal resistance, dielectric breakdown, and weakened spark output. Coupled with worn factory plugs, this electrical degradation manifests as rough idling, throttle hesitation, reduced fuel economy, and dreaded cylinder misfires (P0300-P0308 codes) during acceleration or heavy load operations.

The Engineering Solution

This comprehensive overhaul kit includes 8 high-output ignition coils and 16 performance iridium spark plugs engineered to surpass OEM limits. The ignition coils feature upgraded primary and secondary copper wire windings encased in high-temperature epoxy, significantly improving thermal shock resistance and ensuring stable, high-voltage transfer to the combustion chamber. The included iridium spark plugs utilize an ultra-fine center electrode that requires less firing voltage while providing unparalleled resistance to spark erosion. Together, this optimized electrical system maximizes fuel vaporization, resolving throttle hesitation to restore baseline horsepower and torque metrics.

Technical Specifications

Compatibility

• 2006 Jeep Commander 5.7L V8
• 2007 Jeep Commander 5.7L V8
• 2008 Jeep Commander 5.7L V8
• 2009 Jeep Commander 5.7L V8
• 2010 Jeep Commander 5.7L V8

The Jeep Durability Standard

Built to withstand harsh operating environments, this ignition package ensures your Commander retains its legendary off-road reliability and robust towing capacity, eliminating misfires when you demand torque the most.