Ignition Coil and Iridium Spark Plugs for Saab 9-7X (2006-2009) 4.2L

OEM-Grade Ignition Coil and Iridium Spark Plug Kit for 2006-2009 Saab 9-7X 4.2L

Direct-fit replacement ignition overhaul kit: Engineered to restore factory spark energy, eliminate hesitation, and clear cylinder misfire codes across the 4.2L inline-six Atlas engine platform.

The Stock 9-7X Ignition Breakdown

The Atlas 4.2L DOHC inline-six positions coil-on-plug assemblies directly above the cylinder head in a high-thermal-soak environment. Over extended operating cycles, engine bay heat causes the factory resin and insulation boots to harden, micro-crack, and permit high-voltage secondary arc leakages. Combined with standard spark plug electrode erosion—which progressively widens the plug gap and demands higher firing voltage—worn ignition components lead to common P0300–P0306 misfire codes, erratic idle vibrations, and degraded fuel economy under load.

The Engineering Solution

This comprehensive ignition service kit features six coil-on-plug packs wound with high-conductivity internal copper wiring and encapsulated in dielectric-grade epoxy to prevent voltage puncture and thermal breakdown. Paired with six fine-wire iridium spark plugs, this setup lowers the required breakdown voltage while providing consistent spark discharge and high melting-point durability. Direct-fit blade terminals and OEM-spec electrical connectors ensure seamless integration with the factory engine harness.

Technical Specifications

Compatibility

• 2006 Saab 9-7X Linear (4.2L I6 Atlas LL8)
• 2006-2009 Saab 9-7X 4.2i (4.2L I6 Atlas LL8)
• Direct Interchange: UF303, C1395, C1666, 5C1723, IC414, 5C1392, E255

The Saab Precision Standard

Engineered to satisfy refined European-market driving expectations, this direct-fit ignition kit ensures precise combustion timing and low emissions output, returning your Scandinavian SUV to a smooth, factory-level idle with zero false check engine lights.