The Best Spark Plugs
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
Clicked
Expensive
Runner-ups: 9 Best Spark Plug Alternatives
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
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 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 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...
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 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 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 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...
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Buying Guide for Spark Plugs
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.
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.
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.
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.
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
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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 ...