The Best Mopar Spark Plugs

In order to start on demand, your car or SUV needs ignition. That doesn't occur without the factory spark plugs, though. They produce the initial flash that fires up the air/fuel mix in the engine's combustion chamber.

How Your Spark Plugs Work

That flash, or spark if you will, is created when an arc of electricity is fired across a gap between the two leads in tip of the spark plug. What if you have a diesel engine, though? Your engine uses glowplugs. They have a heating element in their tip. That element ignites the fuel mist that gets sprayed into a diesel engine's cylinder.

How to Tell if Your Spark Plugs are Failing

Some make the mistake of thinking that their alternator is at fault when the spark plugs start going bad. If you experience any of the following, check your plugs first:

• Engine misfires
• Problems starting your vehicle
• Rough idling
• The "Check Engine" dash light comes on

You can check your owner's manual to determine how often you should replace your spark plugs if you aren't witnessing any signs of distress. It's important to replace them before they reach that mileage limit in order to avoid engine problems. It's equally important to use the right plugs for the job. For your model, those would be genuine Mopar plugs. Find them right here in our online auto parts catalog. Order yours now to save time and money!