This listing is about one (1) NGK Spark Plug for MERCURY outboard engines 2.5 hp - Classic, yr. 1993-2005 and 3.5 hp, yr. 1983-1985, which replaces OEM Part #12127.
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![Spark Plug for MERCURY outboard 2.5hp - Classic, 3.5hp [#12127]](https://www.dlastore.com/media/catalog/product/cache/ba670861d278867c6cf425419441a5b6/B/P/BP6HS-10_6326_2.jpg)