Generac 0D6147 Bolt (Screw) M6-1.0 X 10 G9.8 Replacement Engine Hardware. Commonly used on 990 series breathers.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.
If you need Generac generator troubleshooting support, please visit our interactive forum