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The E3.10 lawn and garden spark plug is designed to optimize performance for 4-cycle, overhead valve small engines, making it the ideal choice for a wide variety of lawn and garden applications. Featuring a 14mm thread diameter and 0.375-inch reach with a gasket seat, this premium spark plug is built for durability and efficiency. The patented DiamondFIRE ground electrode delivers enhanced power, improved fuel efficiency, and a significant reduction in hydrocarbon emissions. Its innovative design helps to create an edge-to-edge spark path, promoting more complete combustion and better overall engine performance. This spark plug's design also minimizes carbon buildup, significantly extending its life while maintaining optimal performance for longer periods. Compatible with Champion plugs such as J17LM, J19LM, J8C, RJ17LM, RJ19LM, RJ8C, and 5861, and NGK B2LM, B4LM, B6S, BR2LM, and BR4LM. With a proven ability to increase power by 6% to 12% (depending on engine class), improve fuel efficiency by 4% to 13%, and reduce CO and hydrocarbon emissions, the E3.10 spark plug is a highly efficient and eco-friendly option. Backed by a limited lifetime guarantee, this spark plug ensures smoother acceleration and long-lasting engine performance.
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Reviewed in the United States on March 18, 2024
I purchased this E3 spark plug due to a recommendation from a friend from my snowblower. It was sputtering and slightly missing. As soon as I installed this E3 spark plug my snowblower ran as if it were brand new.
Mr. Dunn
Reviewed in the United States on September 22, 2023
It’s a lawnmower spark plug. I replace my plugs every other year if needed or not.I typically buy NGK or Champion plugs depending on application. I gave this brand a shot, for no reason. Nothing to be disappointed about.
Judy L. Hare
Reviewed in the United States on August 22, 2023
I have used E3 spark plugs for my lawn mowers and snow blowers for several years. They provide a quick start and last the whole season. I could probably go two seasons, but prefer to change once a season. Best plug brand I've ever used in my small engines.
denny
Reviewed in Canada on March 22, 2023
Used for lawnmower, exactly as described, arrived early.
Gator Spotter
Reviewed in the United States on November 30, 2023
E3.10 / E3.12 (hotter than the 10) / E3.24 Are the only plugs I would use on my lawn equipment. All are high quality and they just work! Very satisfied with this purchase.
Lorrie Wallace
Reviewed in the United States on October 30, 2023
I used these spark in my lawn mower and snow blower because these plugs perform better than standard spark plug by a wide margin.
Will M.
Reviewed in the United States on September 15, 2022
This plugs DEFINITELY does better, even in a fouled up ancient lawnmower.Replacing a carefully cleaned older plug with this went from not even turning over to EXPLODING on 1st pull. Idling was even better than it's been in ages. The E3s last longer & run smoother than any other plug out there- using any other plug is a BIG waste of your time: your choice.
Customer
Reviewed in the United States on June 8, 2022
Got the E3 3.10 to replace a warn spark plug on my push mower. After putting in the E3 with no adjustments of any kind, my push mower started on the first pull. It has been working great ever since. No more pulling the starter rope five or six times before it starts.
Customer
Reviewed in Canada on October 10, 2021
The product performed well. I used it for my lawn mower.
michelle ryan
Reviewed in Canada on August 15, 2019
Good product...20 yr old lawnmower is back to starting with one pull!
Patrick L.
Reviewed in Canada on May 2, 2019
Have changes all my small equipment lawn mower / snow blower / edge trimmer to E3. all now start on first crank. Works has advertised
Kim
Reviewed in Canada on November 18, 2019
Perfect replacement spark plug for my snowblower. No need to plug in power cord, as it starts first pull of the cord. Even at -20 so far.Highly recommend and will be installing one in lawnmower come spring.
Paul C
Reviewed in the United States on April 19, 2019
I have a love hate relationship with the standard plugs. I've tried these E3 plugs in other lawn equipment, and they seem to hold up pretty well. My pressure washer recently died a the end of a big patio job with an admittedly very old plug. 2 days later, I put in the new E3 plug, and it started 2nd pull. Ran noticeably better.
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