Ignition Coil & Spark Plugs for Ford Mustang (2006-2010) 4.0L V6

High-Voltage Ignition Coil & Spark Plugs for 2006-2010 Ford Mustang

Restores optimal combustion and eliminates misfires by replacing the failing factory ignition coil pack and worn spark plugs with direct-fit OEM-grade components.

The Stock Mustang Ignition Weakness

The S197 Mustang's 4.0L Cologne V6 utilizes a wasted spark ignition system where the centralized coil pack is subjected to intense, continuous engine bay heat cycling. Over time, the epoxy potting material within the OEM coil pack degrades, leading to internal micro-cracks and thermal breakdown. This structural degradation allows moisture intrusion and cross-firing between the primary and secondary windings. The result is erratic spark delivery, noticeable hesitation under load, rough idling, and persistent P0300-series misfire codes. Furthermore, as the factory spark plugs reach the end of their service life, the widened gap increases electrical resistance, forcing the coil pack to work harder and drastically accelerating its eventual failure.

The Engineering Solution

This comprehensive ignition overhaul kit addresses the inherent thermal vulnerabilities of the factory setup. The replacement coil pack is engineered with high-dielectric epoxy and a reinforced thermoplastic housing to resist severe heat soak and prevent voltage leaks. Internal copper windings are optimized for consistent primary resistance, ensuring a strong, full-voltage spark reaches the combustion chamber across the entire RPM range. Paired with 6x genuine Motorcraft spark plugs featuring precision-welded electrodes and heat-resistant ceramic insulators, this system effectively restores factory firing efficiency. The result is improved throttle response, stabilized idle vacuum, and a complete restoration of the engine's original power delivery without triggering diagnostic trouble codes.

Technical Specifications

Compatibility

• 2006 Ford Mustang 4.0L V6
• 2007 Ford Mustang 4.0L V6
• 2008 Ford Mustang 4.0L V6
• 2009 Ford Mustang 4.0L V6
• 2010 Ford Mustang 4.0L V6

The Ford Muscle Standard

Engineered to handle high RPMs and deliver consistent power under heavy load, this ignition kit ensures your S197 Mustang maintains its legendary reliability, crisp throttle response, and aggressive American muscle performance on the street.

Common Questions

Will this ignition coil and spark plug kit fit my 2006-2010 Ford Mustang 4.0L V6?
Yes. This kit is a direct-fit replacement for 2006, 2007, 2008, 2009, and 2010 S197 Ford Mustang models equipped with the 4.0L Cologne SOHC V6 engine.

What is included in the box?
The kit includes one direct-fit replacement wasted-spark ignition coil pack and a full set of six genuine Motorcraft spark plugs.

Will this kit fit a Mustang GT or other engine options?
This package is built specifically for the 2006-2010 4.0L SOHC V6 wasted-spark system, which uses a single centralized coil pack and six spark plugs.

Which OEM coil pack part numbers does this replace?
The included coil pack replaces Ford part numbers 90TF12029A1A, E9DF12029AA, E9DZ12029A, F0TZ12029A, F1DZ12029A, F57U12029AA, F57Z12029A, F57Z12029B, and F82U12029AA.

Does installing this kit require any wiring modifications or tuning?
The coil pack and Motorcraft spark plugs are direct OEM-grade replacements that bolt into the factory location and plug directly into the stock wiring harness without modifications.