Ignition Coil and Iridium Spark Plugs for Audi A5 (2012-2014) 3.0L

Direct-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2012-2014 Audi A5

Replaces degraded ignition components: Direct-fit service kit designed to restore factory spark energy, eliminate high-load misfires, and stabilize idle across all six cylinders.

The Stock A5 Ignition Breakdown

In the tightly packaged B8.5 engine bay, the supercharged 3.0L V6 engine generates significant thermal loads. Over extended heat cycles, factory coil pack insulation suffers dielectric breakdown, leading to internal shorting and secondary voltage leakage. Combined with widened spark plug gaps from normal electrode erosion, the weakened ignition energy triggers cylinder misfire codes (P0300-P0306), unburnt hydrocarbon accumulation, and erratic throttle response under boost.

The Engineering Solution

This comprehensive kit upgrades ignition reliability with six high-dielectric coil-on-plug assemblies engineered with heavy-gauge internal copper windings and reinforced silicone boots to resist heat-soak deterioration. Paired with six fine-wire iridium spark plugs, the assembly maintains narrow gap tolerances and high-temperature spark consistency, ensuring stable flame kernel development, sharp transient response, and zero voltage drop under high cylinder pressures.

Technical Specifications

Compatibility

• 2012 Audi A5 3.0L V6
• 2013 Audi A5 3.0L V6
• 2014 Audi A5 3.0L V6
• Interchange Numbers: UF529, UF-529, 06E905115A, 06E905115B, 06E905115C, 06E905115D, 06E905115E, 06E905115F, 5C1688, 5C1846, 5C2121, IC609SB

The Audi Precision Standard

Engineered to meet stringent European OBD-II monitoring parameters, this ignition kit eliminates intermittent misfires and prevents catalyst degradation without triggering fault codes or check engine lights.