Ignition Coil and Iridium Spark Plugs for Ford Taurus (1999-2004) 3.0L

Direct-Fit High-Dielectric Ignition Service Kit for 1999-2004 Ford Taurus

Primary Function: Restores factory secondary ignition voltage, optimizes combustion efficiency, and eliminates cylinder misfires on 3.0L V6 engines.

The Stock Taurus Thermal Breakdown and Secondary Voltage Loss

The transversely mounted 3.0L V6 engine bay generates severe thermal soak, particularly across the rear cylinder bank tucked beneath the upper intake manifold. Over sustained duty cycles, original equipment ignition coil epoxy potting degrades, precipitating internal winding shorts, dielectric breakdown, and carbon tracking along the spark plug boots. Compounded by standard electrode erosion and gap enlargement, elevated electrical resistance overtaxes the ignition system, resulting in rough idle harmonics, unburnt hydrocarbon wash, and hesitation under load.

The Engineering Solution

This comprehensive ignition pack integrates heavy-duty coil-on-plug assemblies with laser-welded fine-wire iridium spark plugs to re-establish consistent spark kernel development. The coils feature high-purity copper windings sealed in high-dielectric epoxy resin to prevent arcing and thermal saturation. The fine-wire iridium plugs reduce required firing voltage while offering superior anti-fouling characteristics, ensuring uniform flame-front expansion and crisp throttle response across all operating ranges.

Technical Specifications

Compatibility

• 1999-2004 Ford Taurus: 3.0L V6 DOHC 24V (LX, SE, SES, SEL)
• Interchange Numbers: DG500, DG513, FD495, FD502, UF406, E261, C1387, C1458, 5C1617, 5C1449

The Ford Commuter Reliability Standard

Engineered to handle the rigors of daily highway transit and frequent thermal cycling, this direct-fit ignition upgrade ensures clean emissions compliance, smooth power delivery, and long-term combustion stability.