Auto Parts

Center Electrode Tip Material

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Need a little extra spark in your ride? Bad spark plug symptoms include stalling, engine misfires, and other sluggish performance issues. We carry a wide array of plugs, so no matter what you drive, or what spark plug heat range you’re looking for, we have the right spark plug set for you. Buy spark plugs online or in an AutoZone near you, and tune up your ride.

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Make your car run like it used to with new spark plugs from AutoZone. We carry copper, platinum, iridium spark plugs, and more. Your spark plugs sit on top of the cylinder head. Transferring electrons across the spark gap, the plug sparks, reaching temperatures around 60,000 Kelvin (That’s over 100,000 degrees Fahrenheit!). This allows your spark plugs to ignite fuel-air mixture and fire up your vehicle, making them an integral part of spark-ignition combustion engines. When a plug sparks, some metal is removed from the plug’s electrode. Over time these sparks wear out the plugs. Plugs last ~30,000 miles, and it is recommended to change them every 20-40,000 miles.

Signs of bad spark plugs can be stalling, trouble starting, and engine misfires. Misfires lead to increased emissions, wasted gas, and reduced power—they can even overheat your catalytic converter. If your engine is misfiring, there’s a good chance it’s time for new spark plugs. Don’t put your car at risk for more severe damage down the road. Change your old, worn-out spark plugs today.

If you need Ford F-150 spark plugs or plugs for any other major automobile, we have the parts you need. AutoZone is the best place to buy spark plugs and any other parts you need for a tune-up.

Make choosing the right spark plug for your vehicle easy. If you need, say, Honda Civic spark plugs, you can search using your Civic's year to find the right plugs. No matter what kind of car you drive, you can shop by your vehicle’s year, make, and model on AutoZone.com, or come into your local store and an AutoZoner will help you find everything you need to do the job right.

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