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Best spark plugs of 2024

Best spark plugs of 2024



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Spark plugs are one of the most important components of internal combustion engine (ICE) cars. They are located in the cylinder head and provide a spark of electricity that ignites the air and fuel mixture and powers the vehicle. Just like most other car parts, they will need to be replaced over time. You can visit a mechanic or dealership service center to have them replaced or, to save money, you could buy them online, or from your favorite brick-and-mortar car parts store, and replace them yourself. Here are the best spark plugs currently available at Amazon — prices will vary depending on the make, model, and year of your vehicle.

Bosch 9697 Double Iridium OE Replacement Spark Plug - $10.18

$10.18 at Amazon

Key Features

  • Double iridium firing pin

  • 360 degrees continuous laser

  • Copper core ground electrode

  • OE fine wire design

  • Lasts for up to 7 years

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The Bosch 9679 Double Iridium OE Replacement Spark Plug contains a double iridium firing pin and ground electrode that can last up to 7 years. The 360-degree continuous laser weld will fuse the corrosion-resistant firing pin to the base to extend the service life. The core is made from copper and provides better heat transfer.


Champion Copper Plus 71 Spark Plug - $3.92

$3.92 at Amazon

Key Features

  • Copper core electrode

  • Inhibits corrosion

  • Built to ISO and SAE standards

This Champion Copper Plus 71 Spark Plug has a copper core electrode that provides extra heat control and increases conductivity. It’s also built to meet the standards of the International Organization for Standardization (IOS) and Society of Automotive Engineers (SAE) for its great performance.


NGK Spark Plugs 7090 BKR5EGP G-Power Spark Plug - $15.99

$15.99 at Amazon

Key Features

  • Pack of 4

  • Platinum center electrode

  • Nickel alloy core ground electrode

  • Lasts up to 40,000 miles

This NGK Spark Plug comes in a pack of 4 and is a good value. It features a trapezoid-cut ground electrode that reduces quenching. This spark plug will last you up to 40,000 miles.


DENSO #4504 PLATINUM T T Spark Plugs - $19.42

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