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The Best Spark Plugs

Updated April 23, 2019

To help you find the perfect spark plug, we continuously put forth the effort to update and expand our list of recommendable spark plugs. Our team collects, edits and publishes new information, in order to present it to you in an accurate, significant and neatly arranged way.

Our Picks

Runner-ups: 9 Best Spark Plug Alternatives

MAS MAS 8 pack Ignition Coil DG508 & Motorcraft Plug image

MAS 8 pack Ignition Coil DG508 & Motorcraft Plug

  • Helps ensure proper engine performance maximize fuel economy minimize...
  • 8x ignition coils replaces ref dg508
  • 8x motorcraft plugs sp479
Motorcraft Herko Automotive Motorcraft Plug image

Herko Automotive Motorcraft Plug

  • Brand New Spark Plug in original Packaging Please verify your year ...
  • Designed with high quality materials to meet or exceed oem Specific...
  • Every single spark plug is inspected throughout the entire shipping ...
ACDelco ACDelco 41-993 Professional Iridium Plug image
Top Rated

ACDelco 41-993 Professional Iridium Plug

  • Iridium offers better engine idle stability and smoother performance
  • Iridium allows for smaller more efficient electrode designs for impr...
  • Iridium fine-wire electrode helps improve ignition of the fuel and ...
NGK NGK 5464 BKR5EIX-11 Iridium IX Plug image
Most Reviewed

NGK 5464 BKR5EIX-11 Iridium IX Plug

  • Designed specifically for the performance enthusiast Iridium IX offer...
  • The 0.6 millimeter laser welded fine Iridium tip ensures high durab...
  • Longer insulator nose prevents fouling the corrugated ribs on insula...
NGK NGK 8 PCS * NEW * - image

NGK 8 PCS * NEW * -

  • Free shipping For This Item
  • G Power
  • Tr55gp
ACDelco ACDelco CR43TS 5614029 Professional Conventional Plug image

ACDelco CR43TS 5614029 Professional Conventional Plug

  • Black onyx coating helps prevent corrosion
  • Copper core thermal properties provide great heat transfer and incre...
  • Features a ribbed suppressor seal which extends resistance and preve...
NGK NGK 94124 ILKAR7L11 Laser Iridium Plug image

NGK 94124 ILKAR7L11 Laser Iridium Plug

  • Laser welded Iridium center electrode tip ensures high durability an...
  • Platinum disc welded to backside of ground electrode provides long ...
  • Longer insulator nose prevents fouling Corrugated ribs on insulator ...
NGK NGK 6418 BKR6EIX Iridium IX Plug image

NGK 6418 BKR6EIX Iridium IX Plug

  • Designed specifically for the performance enthusiast Iridium IX offer...
  • The 0.6 millimeter laser welded fine Iridium tip ensures high durab...
  • Longer insulator nose prevents fouling the corrugated ribs on insula...
Bosch Bosch 6702 Platinum Plug image
Lowest Price

Bosch 6702 Platinum Plug

  • Platinum firing pin and yttrium enhanced ground electrode provide 2X...
  • Fine wire design provides better ignitability and performance
  • 360 continuous laser welding to fuse the platinum firing pin for i...
* Last update of prices was on 2019-04-23 09:08:53 via PA API. Prices or conditions may have changed in the meantime.

Featured Categories

Window Regulators & Motors (25)
Automotive (12)
Ignition Parts (12)
Replacement Parts (12)
Spark Plugs (9)
Spark Plugs & Wires (9)
Coils (2)
Batteries & Accessories (1)
Bearings & Seals (1)
Belts, Hoses & Pulleys (1)
Body & Trim (1)
Brake System (1)
Cables (1)
Caps (1)
Engine Cooling & Climate Control (1)
Engines & Engine Parts (1)
Exhaust & Emissions (1)
Filters (1)
Fuel System (1)
Gaskets (1)
Lighting & Electrical (1)
Motors (1)
Sensors (1)
Shocks, Struts & Suspension (1)
Starters & Alternators (1)
Steering System (1)
Switches & Relays (1)
Transmission & Drive Train (1)
Window Regulators & Motors (1)
Windshield Wipers & Washers (1)

Buying Guide for Spark Plugs

ACDelco 41-993 Professional Iridium Plug

Top Rated Spark Plugs

If you're looking into finding the best rated spark plug, you should probable check out the ACDelco 41-993 Professional Iridium Plug. We looked at various sources of reviews and found this one to have the best mix between review count and average rating stars.

Bosch 6702 Platinum Plug

Lowest Price

Often, going for the best price is a simple but good option. With a price of $15.95 (last checked on April 23, 2019), we do not list any other spark plugs cheaper than the Bosch 6702 Platinum Plug. Just remember that it's not always the best option to go for the cheapest one.

NGK 5464 BKR5EIX-11 Iridium IX Plug

The Spark Plug with the Most Reviews

With at least 273 reviews and counting, the NGK 5464 BKR5EIX-11 Iridium IX Plug might be another option to consider. This large amount of reviews signalizes that many people are using it, with most of them beeing satisfied.

ACDelco + Herlux New ACDelco Plugs

High Class

It's quite rare that the saying "You get what you pay for" turns out incorrect. If you have the money on the sideline, feel free to choose the most expensive item from our list: The ACDelco + Herlux New ACDelco Plugs currently sells for $79.50.

NGK 2667 BKR7EIX Iridium IX Plug

Most Clicked Spark Plug

If you trust us and our users, feel free to check out the NGK 2667 BKR7EIX Iridium IX Plug. Our statistics say that it is the most favorite Spark Plug from the list above.

Bestseller

If you're still undecided, I would recommend that you go with the masses and choose the top selling spark plug: The ACDelco + Herlux New ACDelco Plugs for currently $79.50 on Amazon (last checked on April 23, 2019).

That's it for now, please remember that this list is updated on a regular basis.

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Further Reading on Spark Plugs

New: our editorial list of additional articles. We decided to gather informartion all around the internet and present you a list of helpful, external links to interesting reads about Spark Plugs reviews, pros & cons and similar products.
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Do Your Own Research

Do you want to know more about spark plugs? Check out the links below to gain knowledge about the whole topic of spark plug products.

Wikipedia Article for Spark Plugs

A method of operating an internal combustion engine having at least one combustion chamber including a first spark plug and a second spark plug, wherein the first spark plug is configured to operate at a higher temperature than the second spark plug, the method …

An engine system, comprising of a combustion chamber; a first spark plug configured to perform a spark within the combustion chamber, said first plug configured to have a first heat range; a second spark plug configured to produce a spark within the combustion chamber …

… In some cases the existing electrodes of conventional spark plugs may be used as mounting faces … US20090096344A1 (en) *, 2007-10-10, 2009-04-16, Steigleman Jr Robert Lee, Sparkplugs and method to manufacture and assemble … Spark plug …

Spark Plugs Related Video: How Long do NGK Iridium Spark Plugs Last? - A 100k Mile R...

In this video we review how long do NGK Iridium Spark Plugs last and what they look like after 100000 miles. If you are curious if these plugs can last a long time ...

Disclaimer: This video was not made by us, but we found it interesting enough to embed it here.

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This page about Spark Plugs was composed by and published by Alternative.me. It was last updated on and has been viewed 37 times.