Generac 0E9479A/0E9505A Oil Filter Cooler Adapter. 0E9479A was replaced by this 0E9505A adapter.
The gasket can be found here: Generac 0E9370 530CC Oil Filter Adapter Gasket
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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