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5/8-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, Briggs Stratton, NGK, Torch

Ratings & Reviews for E3 Spark Plugs 5/8-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, Briggs Stratton, NGK, Torch

4.6
434
Review
 4.6 out of 5
434 Reviews


91% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these spark plugs for dramatically improving engine starting and performance across lawn equipment and small engines. Most report engines start on the first pull, even after struggling with previous plugs, with many noting immediate improvements in cold starts and throttle response. Reviewers consistently report enhanced engine power and reduced fuel consumption, with many becoming loyal repeat buyers who use them exclusively in mowers, snowblowers, chainsaws, and generators. A few express minor skepticism about performance claims or mention isolated fit issues, but overall customers consider them a reliable, worthwhile upgrade.

Customer review summary generated by AI, including incentivized reviews.
434 Customer Reviews

E3 Spark Plug

Would Recommend

THis spark plug replaced a Champion. It worked flawlessly.

August 8, 2025
Verified Purchaser
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E3,10

[This review was collected as part of a promotion.] Great quality and price. Perfect re- placement for my old champion spark plugs.

August 4, 2025

From e3sparkplugs.com

Go somewhere else

Would Not Recommend

Product is great, lowes cs is not.

August 1, 2025
Verified Purchaser
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Runs better starts right up quicker.

Would Recommend

[This review was collected as part of a promotion.] Runs better starts right up quick. Good low end power the biggest thing it starts up with no problem.

July 30, 2025

From e3sparkplugs.com

Would Recommend

Preset Gap (in) is 0.028 Inch. Other than having to reset the gap to .040 for my Kohler CV15S. It works great.

July 29, 2025
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It Sparks Like a Spark Plug

What can one say about a spark plug? It sparks and allows my Craftsman lawn mower to run. I don't know about its longevity; I haven't had it long enough. However, since the lawn mower manufacturer recommends changing the spark plug once a year; I will buy the cheapest one available next year.

July 26, 2025
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Trying a new spark plug

Would Recommend

Good performance

July 26, 2025
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Price was a bit much.but ok

Would Recommend
July 24, 2025
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On the shelf , where it's supposed to be

Would Recommend

Item was exactly what I needed. Purchased, installed, and lawnmower works great

July 24, 2025
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Spark plug

Would Recommend

Bought the E spark plug to replace the Champion Spark plug for my tiller. The price was good and its a good fit.

July 22, 2025
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We’ll see

Would Recommend

No experience with this brand, I’ll let you know in 3 months

July 18, 2025
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E3 worth the money

[This review was collected as part of a promotion.] E3 spark plugs always help my weed eater chainsaw and demolition saw run better and start better and they're good value for the price you pay

June 29, 2025

From e3sparkplugs.com

E3 in Cub Cadet

[This review was collected as part of a promotion.] have used E3 spark plugs in my cars, my boat, all my cub cadet mowers.

June 17, 2025

From e3sparkplugs.com

A good replacement and razonable price

Would Recommend
June 7, 2025
Verified Purchaser
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