Spark Plugs & Glow Plugs

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Bosch
€26.40
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NGK
4.8 / 5 (6)
€4.80
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€4.80
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€6.11
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€4.80
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€4.80
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Bosch
€26.40
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Bosch
€26.40
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Bosch
4.5 / 5 (4)
€4.80
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Bosch
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€4.80
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Bosch
€22.80
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NGK
€6.00
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NGK
4.7 / 5 (53)
€4.80
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NGK
4.8 / 5 (40)
€4.80
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€4.80
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NGK
4.9 / 5 (35)
€3.60
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€3.60
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Bosch
€10.00
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Bosch
€10.00
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Bosch
€8.00
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Bosch
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Spark plugs are directly linked to your car starting and are an essential engine component that should be well maintained. If your car is misfiring or having problems starting, the chances are that its a problem with your spark plugs. Whether you’re a seasoned mechanic or not, locating the spark plugs in a combustion engine is fairly straightforward. Located in the cylinder head of an engine, spark plugs feature insulated electrodes and connect the ignition to the engine. As the spark plug detects electricity, the gap between the plug and the cylinder causes the voltage to transfer between the two points. A spark is then created which starts the combustion process. Typically, spark plugs require 20,000 volts to ensure the engine fires properly.

Spark plugs vary depending on the make, model and age of your vehicle. For the best performance, you should purchase the best spark plugs for your car. To help you locate yours, we’ve designed a vehicle registration lookup tool that will automatically pull relevant products to suit your vehicle based on the registration number.

Once you’ve found the products you need, use our convenient click & collect service to get hold of your products sooner. Or, if you’d prefer, try our trusted delivery service. Need help changing spark plugs? Don’t worry, just head down to your local Halfords store where one of our team will be happy to assist you. If you’re looking for advice on how to change spark plugs , check out our step-by-step guide.