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What do spark plugs do?
Your spark plugs channel an electrical current causing a spark that ignites the compressed air and fuel in the combustion chamber. Without spark plugs, your car cannot operate, so it’s vital to replace these essential car components when necessary.
Do diesel cars have spark plugs?
No, diesel cars do not have spark plugs. Diesel engines operate differently from gasoline engines in how they ignite the fuel-air mixture, and instead use glow plugs and compression ignition.
How long do spark plugs last?
Usually, it’s recommended to replace a car spark plug every 30,000 to 50,000 miles, but longer-life plugs tipped in iridium or platinum can last even longer. If you’ve just bought a second-hand car, it may be a good idea to change your spark plugs to ensure you have peace of mind. As they’re a low-cost part that’s easy to replace, it’s well worth doing.
How to change spark plugs
The good news is that changing spark plugs is a relatively easy job you should be able to do by yourself. Start by removing the old spark plugs with a socket and ratchet. Next, use a gap gauge to check the gap of the new spark plugs. Adjust as necessary according to your vehicle's specifications. Once this is done you can install the new spark plugs by carefully threading them by hand into the spark plug hole and tightening them with the socket and rachet. Finally, reconnect the spark plug wires and test the engine.
What spark plugs are best for my car?
If you’re looking for the right spark plug for your car, it couldn’t be easier at My Motor World. Simply use our car registration tool above to be shown the right spark for your reg.
After finding the perfect new spark plugs for your car from this collection, make sure to browse our wider car service parts range. Here you’ll find a choice of car filters, lubricants, timing belt parts, and more.
Buy spark plugs online at My Motor World today. And don’t forget to sign up to My Motor World Member Perks to get access to exclusive discounts and deals, earn reward points, and take part in free giveaways and prize draws.