View ALL Audi S4 Parts
If your Audi S4 has starting running very poorly, or stopped running entirely while showing symptoms of lacking spark, your Audi S4 ignition coil is most likely the cause.
Audi S4 Copper and Platinum Spark Plugs by Bosch, Denso and NGK. Replace the Audi S4 spark plugs once a year for optimum vehicle performance and increased fuel mileage.