Ignition Coil and Iridium Spark Plugs for Audi A3 (2004-2013) 2.0L

High-Dielectric Ignition Coil and Iridium Spark Plug Service Kit for 2004-2013 Audi A3

What it Does: Restores peak combustion efficiency and eliminates high-load misfires by replacing heat-degraded factory coils and worn plugs with high-dielectric replacement coil packs and fine-wire iridium spark plugs.

The Stock A3 8P Ignition Breakdown

The turbocharged 2.0L EA113 and EA888 engines in the 8P chassis subject factory ignition components to severe heat soak and elevated cylinder pressures. Over time, stock coil packs suffer from internal dielectric breakdown and secondary winding fatigue. When combined with natural electrode erosion on aging spark plugs, the system requires higher voltage to jump the gap than the coils can reliably supply. This breakdown results in spark blowout, rough cold starts, unburned fuel wash, and recurring P0300–P0304 cylinder misfire fault codes under heavy throttle.

The Engineering Solution

This direct-replacement kit pairs four direct-fit UF575 ignition coils with four premium fine-wire iridium spark plugs. The coils feature reinforced thermal-resistant epoxy potting and optimized copper windings to prevent secondary voltage leakage and thermal degradation. The iridium spark plugs feature a laser-welded 0.6mm center electrode and trivalent metal plating, significantly lowering the required firing voltage while providing superior anti-fouling and anti-corrosion properties under boost.

Technical Specifications

Compatibility

• 2004-2013 Audi A3 2.0L L4 Turbocharged
• 2004-2013 Audi A3 Quattro 2.0L L4 Turbocharged

The Audi Precision Standard

Engineered to meet exact European engine management tolerances, this ignition service kit maintains direct OE impedance matching. It guarantees seamless ECU communication, eliminating check engine lights and restoring smooth, consistent power delivery across the entire rev range.