The Best Spark Plugs

Best image of spark plugs
Photo: BOSCH 9614 OE Fine Wire Double Iridium Spark Plug - Pack of 4
UPDATED APRIL 26, 2024

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

NGK 7090 G-Power Platinum Plugs image
Trapezoid cut ground electrode reduces quenching
ACDelco + Herlux 8 ACD-OEM Plugs image
This item is designed to be an exact replacement that meets or exceeds origin...
Our Choice
NGK 6619 Iridium Plugs image
Iridium Spark Plugs
NGK 7090 G-Power Platinum Plugs image
Trapezoid cut ground electrode reduces quenching
Low Price
ACDelco + Herlux 8 ACD-OEM Plugs image
This item is designed to be an exact replacement that meets or exceeds origin...

8 More Spark Plug Alternatives

Double Iridium firing pin and ground electrode inlay provide 4X longer service life com...

0.6mm fine wire firing pin provides superior ignitability and performance

360 Degree continuous laser weld fuses corrosion resistant iridium firing pin to base f...

MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires qu...

IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durab...

CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode ...

DENSOs revolutionary Twin-Tip design is a combination of highly durable precious metals...

The center electrode is created using an extremely durable platinum alloy that allows f...

The Titanium-enhanced alloy on the ground electrode also increases durability, which is...

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitab...

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consiste...

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flash...

G-Power Platinum

Designed to operate over a much wider heat range than ordinary plugs

Resists carbon buildup and pre-ignition

Designed to operate over a much wider heat range than ordinary plugs

Resists carbon buildup and pre-ignition

Patented triple gasket sealing process eliminates the possibility of combustion gas lea...

EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is ...

FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip desi...

OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and...

Buying Guide

Top Rated Spark Plugs

If you're looking into finding the best rated spark plug, you should probable check out the BOSCH 9614 OE Fine Wire Double 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 9614 OE Fine Wire Double Iridium Plug

The Lowest Price We Could Find

Often, going for the best price is a simple but good option. With a price of $14.35 (last checked this morning), we do not list any other spark plugs cheaper than the Autolite Platinum AP5263 Automotive Replacement Plugs. Just remember that it's not always the best option to go for the cheapest one.

Autolite Platinum AP5263 Automotive Replacement Plugs

The Spark Plug With the Most Reviews

With at least 694 reviews and counting, the BOSCH 9614 OE Fine Wire Double Iridium 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 Quality Spark Plugs

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 16 pc Champion Iridium Plugs currently sells for $114.86.

16 pc Champion Iridium Plugs

The Spark Plug With the Most Clicks

If you trust us and our users, feel free to check out the NGK 6619 Iridium Plugs. Our statistics say that it is the most favorite Spark Plug from the list above.

NGK 6619 Iridium Plugs

Our Bestseller

If you're still undecided, I would recommend that you go with the masses and choose the top selling spark plug: The NGK # 3186 G-Power Platinum Plugs is the hottest bestseller in this category right now.

NGK # 3186 G-Power Platinum Plugs

Spark Plug Reviews

There are no reviews on spark plugs, yet.
Be the first to write a review, or check for additional reviews in the Further Reading section below.

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 reviews, pros & cons and similar products.
E3 Spark Plugs Reviews of 2018 (Updated) - Automobil...
Here we've written a details review on e3 spark plugs with features, also make the best 6 List. Pros & Cons of this Product  ...
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helpful or not helpful
Pros and Cons of Iridium VS Platinum Spark Plugs - O...
When air and fuel start to mix inside of the internal combustion chamber, it needs an electrical spark to ignite. The ignition coil is attached to  ...
0 persons liked this post.
Source: oards.com
helpful or not helpful
Iridium vs Platinum Spark Plugs — Howrah.org
Iridium VS Platinum Spark Plugs. Learn about pros and cons of spark plugs made using various materials, including copper, platinum and iridium. Decide what  ...
0 persons liked this post.
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4 Types of Spark Plugs: Copper vs Iridium vs Platinu...
After all, the general purpose of a spark plug is to generate an electric Pros – Lasts longer than copper; Reduces debris buildup; Cons – Not  ...
0 persons liked this post.
helpful or not helpful
Spark plug cross reference
Convert one spark plug brand to another. Huge database covering >300 different brands and thousands of spark plugs and glow plugs. ...
0 persons liked this post.
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Copper vs Iridium/Platinum Spark Plugs ( Pros and Co...
It is better to stick with what your car came installed with. Both types of spark plugs have their pros and cons. Copper for performance and ...
0 persons liked this post.
helpful or not helpful

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.

Useful Videos

How Long do NGK Iridium Spark Plugs Last? - A 100k Mile Review

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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