Generac 10000000253 Airbox/Air Filter Cover For Evolution (With Vent Holes). For 2016 to current model Evolution Air Cooled generators with the larger V-Twin engines. This cover has the vent holes drilled in the rear. Only covers with existing vent holes should be replaced with this cover.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
If you need Generac generator troubleshooting support, please visit our interactive forum