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Denso Hot U Resistor Spark Plug

4.0 (2 reviews)
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Product Details

Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap created by the "U" shape. The ball of fire created in the U-Groove develops a larger and hotter flash front that virtually eliminates excessive fouling

Specifications and Options

Brand Denso
Spark Plug Number W24ESR-U, W27ESR-U, X22EPR-U9, X24EPR-U9, X24ESR-U

Q & A

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Browse 5 questions Browse 5 questions and 6 answers
Why did you choose this?
Bike Bandit Store
Because it was OEM
Ken N on May 24, 2018
Because it was OEM
Ken N on May 24, 2018
I've always like denso quality.
Mike J on May 4, 2018
I've always like denso quality.
Mike J on May 4, 2018
Socket size for this spark plug?
A shopper on Nov 17, 2018
BEST ANSWER: Thank you for your question! Each machine/ spark plug will require a different size socket. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 1-888-339-3888. We are always more than happy to help.
There are quite a few spark plugs listed for my 1977 GS550. How do I know which one to order?
null on Jul 27, 2011
BEST ANSWER: Thanks for your question! for the correct plug for you machine you would need to check the owners manual or with a local mechanic for the suggested plug. We would not have specs on your machine.
i have a 2008 ktm530excr and i am wondering which part# for the denso hot u spark plug will fit my ktm530excr
null on Jun 24, 2011
BEST ANSWER: Thanks for your question! We do not list a fitment for the Denso plugs for your 530EXCR.
I have NGK D8EA can you tell me the cross reference number?
Rattlesnake on Jul 24, 2010
BEST ANSWER: Thanks for your question! Because the NGK plug # you listed was a non-resistor type spark plug we show the cross reference is a Denso: X24ES-U which is a non-resistor type spark plug. For the correct Denso model you can use the link below to add this spark plug to your cart.



4.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend
Yes (2)
Would you recommend
Spark plugs
Reasonably priced plugs,Only takes a spark to fire mixture.
July 8, 2018
1 year ago
Would you recommend
Long Life Span
great schematics to look up parts that are needed. some prices are a little high but worth it.
April 10, 2009
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