Ignition Coil and Iridium Spark Plugs for Audi A4 (2006-2008) 3.2L

Direct-Fit Ignition Service Kit for 2006-2008 Audi A4

Primary Function: Restores high-voltage secondary ignition energy and precise flame kernel propagation across all six cylinders on the direct-injected 3.2L V6 platform.

The Stock A4 Thermal Fatigue & Secondary Breakdown

The EA837 3.2L FSI engine places ignition coils directly within deep cylinder head wells subjected to extreme heat soak from direct-injection combustion pressures. Over time, factory coil epoxy degrades and internal copper windings develop micro-fractures, leading to dielectric breakdown, cylinder misfires (P0300–P0306), rough idle, and unburned fuel entering catalytic converters. Paired with aged spark plugs suffering from electrode erosion, secondary voltage demands exceed coil output, triggering hesitation under heavy load.

The Engineering Solution

This complete 6-cylinder ignition kit pairs six upgraded coil-on-plug assemblies with six precision fine-wire iridium spark plugs. The coils utilize high-grade internal copper primary and secondary windings encased in reinforced thermal resin, ensuring consistent dwell saturation and dielectric isolation. The companion iridium spark plugs feature a laser-welded fine-wire center electrode and platinum ground pads, lowering required firing voltages and resisting fouling under high-compression FSI operating environments.

Technical Specifications

Compatibility

• 2006 Audi A4 / A4 Quattro: 3.2L V6 Gas (B7) - Sedan, Avant, Cabriolet
• 2007 Audi A4 / A4 Quattro: 3.2L V6 Gas (B7) - Sedan, Avant, Cabriolet
• 2008 Audi A4 / A4 Quattro: 3.2L V6 Gas (B7) - Sedan, Avant, Cabriolet

The Audi Precision Standard

Engineered to meet rigorous European diagnostic parameters, this ignition overhaul kit maintains factory resistance profiles to ensure flawless ECU communication without triggering false check engine lights.