Spark is one of the crucial ingredients to make an internal combustion engine work. Without the proper spark you aren't going anywhere. It is the job of your Mercury Mariner ignition coil to provide good spark to your distributor. Overtime your factory coil can go bad. This is a difficult and frustrating problem to diagnose as it can manifest itself in a host of different running problems. When in doubt it is best to upgrade to a brand new Mercury Mariner ignition coil. Here at Andy's Auto Sport we have a great selection of Mercury Mariner ignition coils for you to choose from. With a truly expansive collection ranging from stock replacements to high performance units, you are sure to find the perfect coil for your application in our lineup.

If you are building a high-performance engine it is crucial to upgrade the ignition system to get the most out of your motor. As you bump up compression and flow more air it is advantageous to run a more powerful ignition and widen the spark plug gap. Stepping up to a performance Mercury Mariner ignition coil is the perfect starting point for a high-powered ignition setup. With numerous companies offering high-performance coil options it is easy to find a unit that will work well with your setup. As a bonus high-performance coils also give your engine bay a distinctive race car look. Don't sleep on this modification; it can really change your performance.

Q: What are ignition coils? Why buy them?
A: Ignition coils are the crucial electronic component that supplies the energy to allow your distributor to provide spark to your engine. A bad ignition coil can cause a host of running problems from high-speed misses to total engine failure. When in doubt it is always a good idea to swap out to a new coil. If you are looking for ways to improve your ride, one sure fire way to boost performance and efficiency is to upgrade to a high performance coil. With more reliable spark output you will get the most out of every compression stroke and minimize the amount of unburned fuel going through your engine. With a stronger more reliable spark you will not only feel improvements in power but also see a noticeable improvement in throttle response. High-performance coils are one of the first modifications you should consider when upgrading your vehicle’s ignition.