This Champion spark plug works in many small engine brands and models. It can be used with chain saws, lawn mowers, pumps and trimmers. This plug utilizes a COPPER CORE AND RIDGES on the porcelain to run cooler and to lower the rate of corrosion of the plug to extend  plug life.

• For use with walk-behind lawn mowers, chain saws, pumps, and trimmers
• Fits most engine brands and models
• Designed to withstand high temperatures
• 14 mm thread, 9-1/2 mm reach and 20-3/5 mm hex size
• Non-resistor plug
• For four cycle engines

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• New OEM Spark Plug

• Champion J17LM  #845-1
• UPC 037551011117

• Set gap according to Operator's Manual for your engine

• USA domestic shipments are shipped USPS Ground Advantage Mail with Tracking