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13/16-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, Briggs Stratton, NGK, Torch

Ratings & Reviews for E3 Spark Plugs 13/16-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, Briggs Stratton, NGK, Torch

4.8
271
Review
 4.8 out of 5
271 Reviews


96% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these spark plugs for transformative performance in small engines. Most report engines starting on the first or second pull, even after long storage or in cold weather, with many describing previously stubborn equipment now firing up instantly. Reviewers note smoother idling, increased power, and better fuel economy compared to original equipment. Many users have adopted these as their standard choice across all lawn equipment, citing strong brand loyalty. A few mention fitment issues with specific models, though these cases are rare and isolated.

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

Perfect Buy!!!!

Would Recommend

Great compatibility with my engine.

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Sweet sparky

Would Recommend

I am pleased with my purchase of this spark plug. It works great and was at a great price. I will be back for more because I have a few pieces of lawn equipment that I am working on. Thank you

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Great product!

Would Recommend

[This review was collected as part of a promotion.] I always go with E3 with my yard equipment, my mower and pressure washer seem to run much better.

August 5, 2026

From e3sparkplugs.com

Great starter!

Would Recommend

Right product, right fit!

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Correct fit, easier starting.

Would Recommend

I have a 10 year old Toro lawn mower which came with a guarantee of easy starting. It never did. The stock plug was a Champion RJ19LM. I have stayed with the champion plug with all of my preseason mower tune-ups. This time I tried the E3 3.10. After sharpening the blade, changing the oil, air filter, spark plug and fueling up the mower actually started on the first pull. In 10 years, I have never had that experience before. It was almost shocking! My only change from the usual routine was upgrad...

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Love these "Plugs!"

Would Recommend

[This review was collected as part of a promotion.] I use them in almost all my lawn equipment, that matches to the certain plug. Haven't had any issues what so ever with the plugs.

May 22, 2026

From e3sparkplugs.com

Better than OEM

Would Recommend

These plugs always outperform the OEM plugs!

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These are best for your outdoor power

Would Recommend

[This review was collected as part of a promotion.] These you have to gap. You need these on all outdoor power gas engines. (The correct model of course). I have found they start gas engines faster than ngk or champion.

May 17, 2026

From e3sparkplugs.com

Made my mower run like new

Perfect

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New spark plug

Would Recommend

An associate had to help me get the correct spark plug but when I did, it worked perfectly. Thanks for your help.

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Fair price, good quality

Exact fit

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