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Champion Spark plugs developed especially for Onan Emerald & Marquis Gensets.
Identical to Onan 167-0272. Replaces Onan 167-0272-99
Also fits some welder and lawn & garden engines made by ONAN whenever your Onan manual specifies p/n 167-0272.
NOTE: You must buy a minimum of two of these plugs. All of the Onan engines that use this spark plug are twin cylinder engines as far as we know!
Check your manual - We believe most applications for this plug require the spark gap to be set at .025" (25 thousandths of an inch). Probably less for propane fueled engines.
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