Generac 0C7720/0D8564ASRV Airbox Assembly 990/992CC

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Generac 0C7720/0D8564ASRV Airbox Assembly 990/992CC.  Used on older mechanical governor units like the 12kW model 4456 and the 15kW model 4390.  Most commonly replaced due to a failed throttle linkage arm.  The 0C7720 was replaced by the 0D8564ASRV seen here.

It's advised to replace the rubber seals and intake gaskets at the same time since they commonly tear during disassembly.

Rubber seals can be seen here: Generac 0C3041/0C3041A Intake Manifold Rubber Seal

Intake gaskets here: Generac 0C3043 Intake Manifold Gasket For 990/992/999CC Engines

The rubber mounting washers can be seen here: Generac 0D4417 Airbox Mounting Rubber Washer 1/4" X 1/8"

Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.

 

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