Order Ford Fusion Spark plug cross reference. Shop Ford Fusion Iridium twin tip spark plugs & Ford Fusion Double platinum spark plugs price. Maintaining optimal performance in your Ford Fusion starts with the heart of combustion: the spark plugs. Regular inspection and replacement at suggested intervals prevent misfires and ensure smooth operation. Look for signs like hard starts, rough idling, or a decline in fuel efficiency as indicators that it's time for new spark plugs. To extend their lifespan, ensure your engine is tuned and free of oil or deposit buildup. When selecting replacements, opt for iridium or platinum plugs for their durability and superior performance. Proper gapping and anti-seize on the threads during installation can further enhance the longevity of your spark plugs, ensuring your Fusion runs like a dream. Shop with us for quality choices and expert advice to keep your ride in top condition.