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Are these the same plug?

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  • Dwain G.
    replied
    Many parts stores no longer use the actual spark plug number. They go by the stock number. Ask them for Champion 857.


    Dwain G.

    Leave a comment:


  • curt
    replied
    Thanks.

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  • DEEPNHOCK
    replied
    They are NOT the same...
    The length of the threaded part is different.
    Hope the info helps.
    Jeff[8D]


    RJ18YC
    14mm Thread, 9.5mm (3/8") Reach, 13/16" (20.6mm) Hex Size, Gasket Seat, Resistor, Copper Core, Projected Core Nose

    RH18Y
    14mm Thread, 11mm (7/16") Reach, 13/16" (20.6mm) Hex Size, Gasket Seat, Resistor, Projected Tip


    quote:Originally posted by curt

    Champion RH18Y And Rj18YC
    http://community.webshots.com/user/deepnhock

    Leave a comment:


  • curt
    started a topic Are these the same plug?

    Are these the same plug?

    Champion RH18Y And Rj18YC
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