13-18 Mazda3 [BM, BN] AutoExe Sports Ignition Coil Set

Specific design for Inline 4-Cylinder SkyActiv-Gasoline Engines

• Ignition coil functions as a transformer, boosting the battery's 12V power to tens of thousands of volts required for spark plug discharge critical for engine output, stability, and performance.
• Engineered to improve current flow efficiency, increasing magnetic energy and secondary voltage for a stronger, more consistent spark.
• Ensures complete combustion for sharper throttle response, stable output, and optimized performance.
• Reliable direct replacement for stock coils, ideal for both performance upgrades and preventive maintenance.
• Distinctive red housing with AutoExe branding adds a sporty accent to the engine bay.
• A set comes with 4 coils for 4-Cylinder.

NGK Iridium Spark Plug is available and sold separately.

Photo shown may not be specific to this application.