Generac 0H7518B Rear Insulation Liquid Cooled. These come in various sizes, so if you're not sure which you need, please contact us with your serial number.
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