Automotive Spark Plugs Online

Try starting your car, SUV, pickup, or van without ignition. After all, that's what kindles the combustion that your engine feeds upon. The thing is, that ignition only happens thanks to the spark plugs that produce the initial flash that ignites the air-and-fuel mixture inside the engine's combustion chamber.

How Spark Plugs Work

First you turn the ignition key, or, if you drive a newer model, push the "Start" button. That leads to the ignition switch activating, which then causes the starter motor, starter solenoid, ignition coil, and battery to work together and produce an electric charge. Leads in the spark plug capture that charge and use it to create the spark needed to ignite combustion.

How to Recognize Faulty Spark Plugs

While spark plugs are durable parts, they can eventually corrode. Or, perhaps, the gap between the leads has grown too wide to produce an effective spark. That impairs performance, so you'll want to know the symptoms. Signs of failure include:

Save Up To 30% When You Buy Genuine OEM Spark Plugs From Our Online Auto Parts Store

Even if you’re not having problems, your spark plugs will eventually need replacing. Your owner's manual details how often you should change yours to maintain long engine life. When you do need a new set, buying the real-deal ones made by your manufacturer is the go-to move. We sell them at a nice discount to the MSRP, so you can save money on what you need. Search by make, model, and year to find the compatible spark plugs you want, then complete your order. We'll get it shipped right out!