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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 exceptional small engine performance. Most report immediate improvements in starting, with many achieving first-pull starts even after long storage or in cold weather. Reviewers note smoother operation, stronger throttle response, and increased top-end power across mowers, trimmers, snow blowers, and tillers. Many highlight long-lasting reliability, with plugs performing consistently throughout entire seasons. Customers appreciate precise compatibility with common equipment brands. A few mention needing minor gap adjustments before installation, though this is routine. Overall, reviewers strongly recommend these plugs for reliable, dependable performance.

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

Spark plug

Would Recommend

Replacement spark plug for a Troybuild lawn mower. Old one was 5 years old, and the mower was running rough. Replaced plug, changed air filter, cleaned carberator, reassembled everything. Started on first pull, ran like a new mower

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E3x13/16 Spark Plug

Would Recommend

For lawn mower

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Not what I expected

Would Not Recommend

Before using my lawnmower this year I replaced the blade and cleaned the plug, carburator etc. It started on one pull and ran like a new mower. But the plug was pretty old so I bought this new one. It worked ok but not as well as the old plug. I have the new one as a backup now.

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E3 Spark Plug

Would Recommend

What a change for my mower. Starts up with one pull every single time!

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Serves it’s purpose

Would Recommend

It plugs the combustion chamber and makes a spark to ignite the fuel. Couldn’t ask for anything more.

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Spark Plugs

Would Recommend

Quick starting and warm up...Got engine running smooth as quick as plugs costing more. When I say quick starting I mean one pull on a cold engine.

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Spark plug

Would Recommend

I was very glad that Lowes as stocked this item. It works very well for my machine.

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Fired right up!

Would Recommend

Worked as intended. No problem.

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Amazing

Would Recommend

JMJ. PROs - I’ve never seen one like this. Was a bit skeptical. So I bought a regular one as well. Checked Gap. Put this one in first and she fired right up. Runs smooth. 2 or 4 stroke Plugs. Uses 13% less Gas. Reduced toxic emissions by 58%. Lifetime guarantee. Only Con - Made in China. But so is Briggs & Stratton.

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Green Spark

Would Recommend

Decided to give the loyal steed a tune up this year. It had been about 3 years and it was showing signs of being tired and unresponsive. I picked this up because its "better" for the environment and it promised a better spark etc. After oil change, fuel treatment, air filter cleaned, muffler cleaned and sharpening of the blade I replaced the spark of the mighty beast. I can honestly report that it started like when it did 11 years ago right out of the box. If not perhaps better. Effortless...

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Runs great

Would Recommend

I replaced my spark plug to get ready for the new season. The engine started on the first pull and runs great.

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Keeps a clean electrode

Would Recommend

At first I thought the large electrode was a gimmick on this spark plug but I discovered the tip was clean, no fouling with any oil in the cylinder. (I would argue these small displacement air-cooled engines leak a little into the cylinder).

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