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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
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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

Spark Plug

Good Value

June 21, 2026
Verified Purchaser
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A good plug

 Would Recommend

All good

June 19, 2026
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E3 Spark Plugs at Lowes

 Would Not Recommend

E3 is the very best spark plug

June 13, 2026
Verified Purchaser
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Quality

 Would Recommend

Genuine John Deere Parts

June 12, 2026
Verified Purchaser
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Works fine

 Would Recommend

It works as advertised.

June 11, 2026
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it worked

 Would Recommend

I liked that Lowes had one that worked but at over 8 dollars for a lawn mower plug is a little much

June 9, 2026
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is better than regular spark plugs

 Would Recommend

well made fast starts more power

June 7, 2026
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Spark Plug for John Deere E120

 Would Recommend

Perfect fit for E120. Engine fired right up.

June 7, 2026
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This is a sparkplug.

 Would Recommend

The sparkplug was easy to install.

June 3, 2026
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All

 Would Recommend

Everything

May 24, 2026
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Works great

 Would Recommend

Works great

May 23, 2026
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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