Ignition Coil & Spark Plugs for Audi A4 Quattro allroad (2017-2020) 2.0L I4

High-Output Ignition Coil & Ruthenium Spark Plug Kit for 2017-2020 Audi A4

Replaces degraded factory ignition components to restore optimal spark energy and eliminate under-load misfires.

The Stock EA888 Ignition Shortcomings

Audi EA888 Gen 3 2.0T engines are notorious for ignition coil failure, especially as mileage increases or when running elevated boost pressures via ECU tuning. The factory coils suffer from severe thermal degradation due to their location directly atop the cylinder head, leading to micro-cracks in the internal epoxy housing. This structural failure results in voltage leakage, erratic idle, high-RPM misfires, and delayed throttle response. Furthermore, standard OEM spark plugs experience rapid gap erosion under high cylinder pressures, compromising the combustion event and significantly reducing both power output and engine efficiency.

The Engineering Solution

This comprehensive ignition overhaul addresses the EA888's thermal shortcomings by utilizing premium, high-dielectric epoxy resin in the upgraded ignition coils to withstand extreme heat cycling and prevent voltage breakdown. Coupled with advanced high-performance Ruthenium spark plugs, this kit delivers superior ignitability. Ruthenium provides maximized oxidation resistance and a more concentrated spark kernel compared to traditional iridium or platinum plugs. This translates to complete combustion, eliminating spark blow-out under peak boost, smoothing out the idle, and maximizing the kinetic energy transferred to the piston. The result is consistent, reliable power delivery throughout the entire rev range.

Technical Specifications

Compatibility

• 2017-2020 Audi A4 2.0L I4
• 2017-2020 Audi A4 Quattro 2.0L I4
• 2017-2020 Audi A4 allroad 2.0L I4

The European Precision Standard

The precision engineering behind these replacement coils and ruthenium plugs ensures strict adherence to Audi's factory resistance specifications, guaranteeing a seamless installation with zero CEL (Check Engine Light) issues and smooth, misfire-free European performance.