Make Subaru

22433AA551 COILASSYIGN

Information

Premium Ignition Coil Assembly for Optimal Engine Performance

An ignition coil is vital to the engineโ€™s function, acting as the power bridge between the battery and the spark plugs. Designed for efficient transformation of low battery voltage into thousands of volts, it ignites the air/fuel mixture within the engine cylinders. Without this part, your engine would not have the spark required for combustion, leading to significant performance issues.

Why This Part Is Essential

The ignition coil is crucial because it ensures the engine runs smoothly and starts reliably. It provides the necessary electrical current to the spark plugs, which in turn start the combustion process. This means efficient fuel burning and optimal engine performance.

How It Works

When the ignition system is activated, the ignition coil takes the 12 volts from the car battery and transforms it into a high voltage, usually between 15,000 and 45,000 volts, necessary for igniting the spark plugs. This high-energy spark then ignites the air/fuel mixture in the combustion chamber, keeping the engine running.

Consequences of a Faulty Ignition Coil โš ๏ธ

If the ignition coil fails, the engine may misfire, stall, or exhibit a noticeable drop in power. Rough idling, difficulty starting the engine, and reduced fuel efficiency are common occurrences with a broken coil. Long-term operation with a damaged coil can lead to severe engine damage, affecting overall vehicle performance and increasing repair costs.

Compatible Models

  • Legacy
  • Impreza
  • Forester