Ignition Coil & Iridium Spark Plugs for Audi A5 Quattro (2008-2010) 3.2L V6

Heavy-Duty Ignition Coil & Iridium Spark Plugs for 2008-2010 Audi A5

Direct replacement ignition service kit designed to restore optimal combustion efficiency and eliminate misfires in the 3.2L FSI V6.

The Stock A5 Ignition Shortcoming

The OEM ignition coils on the B8 Audi A5 3.2L FSI V6 are notoriously prone to premature degradation from the high-heat cycles typical of the EA837 engine bay. Over time, the internal epoxy potting cracks, allowing moisture intrusion and significant voltage leakage. This manifests as rough idling, hesitation under heavy throttle, and dreaded cylinder misfires that trigger Check Engine Lights (CEL). Furthermore, factory standard spark plugs suffer accelerated electrode wear under modern lean-burn conditions, causing the spark gap to widen out of specification. This increased electrical resistance forces the ignition coils to work harder, accelerating their failure and severely crippling engine efficiency and fuel economy.

The Engineering Solution

This comprehensive ignition kit addresses these inherent electrical flaws by pairing six heavy-duty ignition coils with six precision-gapped Iridium spark plugs. The upgraded coils feature a reinforced dielectric epoxy housing and high-temperature silicone boots, providing superior insulation against engine heat soak and preventing high-voltage arcing to the cylinder head. Inside the coil body, increased primary and secondary copper windings ensure a hotter, more consistent spark duration across the entire RPM range. The included Iridium spark plugs utilize an ultra-fine center electrode and a laser-welded ground strap, drastically reducing the voltage requirement for spark propagation while offering exceptional resistance to electrical wear. This integrated combination ensures complete air-fuel mixture atomization, maximizing power output and restoring factory throttle response without triggering diagnostic trouble codes.

Technical Specifications

Compatibility

• 2008 Audi A5 Quattro 3.2L V6
• 2009 Audi A5 Quattro 3.2L V6
• 2010 Audi A5 Quattro 3.2L V6

The Audi Precision Standard

Engineered to meet the stringent demands of European luxury and performance, this ignition hardware guarantees precise ECU synchronization, stable voltage delivery, and the refined, CEL-free power delivery expected from your chassis.