Generac 0K1735 Airbox/Air Filter Cover For Evolution (No Holes). For 2013 to about 2018 model Evolution Air Cooled generators with the larger V-Twin engines. This cover does not have the vent holes drilled in the rear like the newer Evolution 2.0 models do.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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