Generac 0D7477C/0D7477A Valve Cover With Vacuum Barb For 990/992CC. 0D7477C is obsolete and 0D7477A is the replacement that will ship. They are the same cover minus the text that's cast into the face. 0D7477A will say 'OHVI'.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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