Ignition Coil and Iridium Spark Plugs for Volvo S60 (2005-2009) 2.4L

Direct-Replacement Ignition Coil and Iridium Spark Plug Kit for 2005-2009 Volvo S60

Primary Function: Restores precise secondary ignition discharge, eliminates high-load misfires, and stabilizes combustion dynamics across all five cylinders on the Volvo 2.4L engine.

The Stock S60 Thermal Fatigue Weakness

Mounted directly atop the cylinder head in deep-recess spark plug wells, the factory Volvo coil-on-plug units are subject to continuous heat soak and intense thermal cycling from the Whiteblock engine. Over time, OEM potting compound micro-fractures, secondary copper winding insulation degrades, and silicone plug boots harden. This leads to dielectric breakdown, high-voltage arcing to ground, erratic idle, reduced fuel economy, and persistent P0300-P0305 misfire diagnostic trouble codes under load.

The Engineering Solution

This direct-fit overhaul kit features five high-grade ignition coils paired with fine-wire iridium spark plugs. The coil assemblies utilize reinforced internal primary and secondary copper windings sealed in high-dielectric epoxy resin to prevent internal flashover and voltage leakages. Paired with high-melting-point iridium center electrodes, this package delivers consistent spark kernel formation, lowered ionization voltage requirements, and optimal flame propagation under all manifold pressure conditions.

Technical Specifications

Compatibility

• 2005-2009 Volvo S60 – 2.4L Naturally Aspirated / Light Turbo Inline-5 (Sedan, P2 Platform)
• Direct interchange with OEM references: 30713417, 307134170, UF517, E1017, GN10331

The Volvo Precision Standard

Engineered to match European factory electrical impedance parameters, this complete 5-cylinder ignition service pack guarantees seamless ECU integration without triggering check engine lights, restoring clean throttle response and emissions compliance.