Ratings & Reviews for E3 Spark Plugs 5/8-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, Briggs Stratton, NGK, Torch
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this spark plug's performance, with most reporting dramatic improvements in engine starting and operation. Many describe their mowers and generators firing up on the first pull after previously requiring multiple attempts. Reviewers consistently highlight smoother operation, increased power, and reliable long-term performance across multiple pieces of equipment. Several customers report using these plugs annually for years and plan to continue. A few note fit issues with specific engine models or gap adjustment needs, though these are rare exceptions. Overall, most customers consider this a worthwhile investment that delivers dependable results.
Customer review summary generated by AI, including incentivized reviews.Excellent
It was exactly what i needed.
Verified Purchaser
Gap is .03" correct for B&S 1850 4-cycle engine
Would RecommendI would have given this a five star rating if the package told me what the gap is set at.
Verified Purchaser
Your products are great.
Would RecommendEverything was good, starting the lawn mower and using it at normal conditions.
Verified Purchaser
Great plug
This OEM plug is what is recommended, and it works great. Lasted 3.5yrs with not one issue.
Verified Purchaser
Better Performance
Would Recommend[This review was collected as part of a promotion.] Much easier starting and general performance seems better as well as fuel consumption
From e3sparkplugs.com
Best spark plugs I have used
Would Recommend[This review was collected as part of a promotion.] I have found the E3 plugs to be the most reliable plugs I use. I changed spark plugs recently in my mower (25hp Onan engine) and the old plugs looked ok. I looked up how long they had been in the mower and it was 4 years. There was no loss of performance and I thought I had changed them every year but, I had written in the records that I was trying the plugs and was going to see how long they lasted. Obviously, I could have left them in even ...
From e3sparkplugs.com
Worked well!
Would RecommendThey worked well!
Verified Purchaser
Better milage and power
Would Recommend[This review was collected as part of a promotion.] Better starting milage and small power increase .with just sparkplugs!
From e3sparkplugs.com
Easy
Would RecommendI like not having to look through a whole shelf to find the spark plug I need
Verified Purchaser