Generac 0D2723B Valve Cover (Rocker Cover) With Fill Hole For 990/992/999CC Air Cooled Engines. Does NOT include new oil fill cap or O-ring For front cylinder that uses the oil fill cap. Note the only difference between 0D2723D & 0D2723B is the text printed on the cover. One says OHVI and the other says GENERAC. Both fit the same.
For the rear cover without the oil fill see here: Generac 0C2981F Valve Cover (Rocker Cover) No Fill Cap 990/992/999CC Engines
For O-ring and cap, see here: Generac 093064ASRV Oil Fill Cap & O-Ring For Air Cooled
For the gaskets for this valve cover, see here: Generac 0C2979 Valve Cover Gasket For 990/992/999CC Engines
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