Generac G051109/51109/051109 Fuel Regulator. Typically found on older Liquid Cooled units from the 90's.
These are serial number specific, so if you're not sure this is the regulator you need, please use the Contact Us links for help! This is a special order and non-returnable part.
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