Description
The UGP 0J8478S Air Filter is an aftermarket replacement designed for select air-cooled home standby generators. It replaces Generac air-filter numbers 0J8478 and 0J8478S and is commonly used with compatible 990cc, 992cc, and 999cc generator engines.
Clean intake air is essential for efficient engine operation. This filter helps capture dust, dirt, and other airborne debris before they can enter the engine. Replacing a dirty or damaged air filter can help maintain proper airflow, reduce engine strain, and support dependable generator performance.
Product Features:
• Aftermarket replacement air filter
• Replaces Generac 0J8478 and 0J8478S
• Helps capture dust, dirt, and airborne debris
• Supports proper airflow and efficient combustion
• Helps protect internal engine components from premature wear
• Designed for select air-cooled standby generators
• Quantity: 1 air filter
• Condition: New
Product Information:
• Brand: Universal Generator Parts
• Part number: UGP-0J8478S
• Product type: Replacement engine air filter
• Application: Select air-cooled home standby generators
• Compatible engine sizes: Select 990cc, 992cc, and 999cc engines
• OEM status: Aftermarket replacement; not a genuine Generac part
Compatible Generator Models:
006250R0, G0060550, G0060551, G0060980, G0060981, G0061030, G0061031, G0062400, G0062410, G0062420, G0062430, G0062440, G0062470, G0062480, G0062490, G0062500, G0062540, G0062550, G0062560, G0062561, G0062570, G0062571, G0062572, G0062573, G0062580, G0062581, G0062582, G0062583, G0062600, G0062601, G0062602, G0062610, G0062620, G0062621, G0062650, G0062660, G0062670, G0062680, G0062700, G0062701, G0062702, G0062710, G0062711, G0062740, G0062750, G0062760, G0062770.
Maintenance Information:
Inspect the air filter regularly and replace it when it becomes excessively dirty, damaged, or restricted. Generators operating in dusty or harsh environments may require more frequent filter replacement. Always follow the inspection and replacement intervals stated in the generator owner’s manual.
The 0J8478S filter is documented for select Evolution-series standby generators and Generac 990/992/999cc engine applications.








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