Ignition Coil and Iridium Spark Plugs for Volvo S60 (2001-2004) 2.3L 2.4L

High-Conductivity Ignition Coil and Iridium Spark Plug Kit for 2001-2004 Volvo S60

What it Does: Delivers precise secondary voltage and consistent flame kernel propagation across all five cylinders to eliminate high-load misfires and restore factory combustion efficiency.

The Stock S60 Secondary Ignition Breakdown

The Volvo P2 platform Whiteblock 5-cylinder engine encases its ignition coils directly atop the cylinder head beneath a plastic sound cover. Continuous thermal soak severely degrades the factory coil epoxy potting, causing micro-fracturing and dielectric breakdown. This results in intermittent spark leakage, unburned hydrocarbons, and recurring P0300-P0305 misfire fault codes. Concurrently, worn factory spark plugs suffer from excessive electrode erosion, widening the gap and forcing aged coils to operate beyond their intended voltage output.

The Engineering Solution

This 5-cylinder ignition kit pairs five direct-fit coil-on-plug assemblies with laser-welded fine-wire iridium spark plugs. Each coil is wound with high-purity electrolytic copper and sealed in high-dielectric thermoplastic housings with heat-resistant silicone boots to resist thermal breakdown. The iridium center electrodes maintain tight spark gaps across extended intervals, lowering firing voltage demands on the ignition system while providing clean flame front propagation under both vacuum and boost conditions.

Technical Specifications

Compatibility

• 2001-2004 Volvo S60 2.4L 5-Cylinder Naturally Aspirated (B5244S)
• 2001-2003 Volvo S60 2.4T 2.4L 5-Cylinder Turbocharged (B5244T3)
• 2001-2004 Volvo S60 T5 2.3L 5-Cylinder Turbocharged (B5234T3)

The Volvo Precision Standard

Built to exact OEM resistance and inductance tolerances, this kit ensures seamless ME7 engine management integration without triggering check engine lights or false knock sensor readings.