Reply To: Champion Jl-15 spark plugs?

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June 19, 2025 at 10:42 am #297450
David Stanton
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    Is it a JI-15?  (Letter “I”).   The Champion site below calls the JI-15  a #514 in their new numbering system.

    Dave

    https://www.championautoparts.com/find-my-part/Part-Number-Results.html?part=JI-15

    And below is the plug – note at this link, scroll down and they also call it a D-14:

    https://www.drivparts.com/part-details.html?brand_code=BBKH&part_number=514&part_name=%7B2%7D