Ignition Coil and Iridium Spark Plugs for Ford Explorer (2006-2008) 4.6L

Direct-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2006-2008 Ford Explorer

Replaces degraded factory ignition components to eliminate cylinder misfires, rough idle, and unburned fuel under load.

The Stock Explorer Thermal Breakdown and Spark Energy Drop

The 4.6L 3-valve Modular V8 engine bay generates substantial radiant heat, accelerating the breakdown of factory coil-on-plug (COP) epoxy insulation and rubber boots. Over time, heat soak causes micro-cracking in the primary and secondary copper windings, allowing dielectric breakdown, secondary voltage leakage, and carbon tracking. Combined with worn spark plug electrode gaps, this deterioration results in incomplete combustion, hesitation under throttle, and P0300-series trouble codes during heavy payload or towing demands.

The Engineering Solution

This direct-replacement ignition pack upgrades your primary ignition system with durable internal copper windings engineered to resist thermal degradation and maintain consistent millijoule spark output. Paired with high-grade silicone dielectric boots and iridium-tipped center electrode spark plugs, this kit provides exceptional thermal stability, reduced ignition voltage requirements, and optimal flame kernel propagation. OE-matched blade connectors guarantee a plug-and-play install without harness modification.

Technical Specifications

Compatibility

• 2006 Ford Explorer 4.6L V8 (Eddie Bauer, Limited, XLT)
• 2007 Ford Explorer 4.6L V8 (Eddie Bauer, Limited, XLT)
• 2008 Ford Explorer 4.6L V8 (Eddie Bauer, Limited, XLT)

The Ford Towing & Powertrain Durability Standard

Maintains robust combustion pressure under heavy towing and high-ambient heat cycles, ensuring your Modular V8 delivers consistent low-end torque without spark blowout or hesitation.