Generac 10000016844 4.5L/9.0L Spark Plug. Used on many of the 4.5L & 9.0L Generac engine units in the Protector Series and Industrial units. Sold individually. The 4.5L uses 4 spark plugs and the 9.0L uses 8.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.
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