Description
Maintain clean engine airflow with the genuine Generac 0J8478S Air Filter. This OEM filter element is designed for select Generac air-cooled home standby generators requiring part number 0J8478S or the earlier 0J8478 filter.
The filter helps capture dust, dirt, and other airborne particles before they enter the engine. Replacing a clogged or damaged filter can support efficient combustion, dependable starting, and consistent generator performance.
Product Features:
- Genuine Generac OEM replacement part
- Helps prevent dust and debris from entering the engine
- Supports proper intake airflow and efficient combustion
- Designed for select air-cooled standby generators
- Suitable for scheduled maintenance or repair
- Replaces the earlier Generac 0J8478 air filter
Package Includes:
- 1 Generac 0J8478S air-filter element
The air-filter housing, oil filter, spark plugs, engine oil, and other maintenance components are not included.
Compatible Generator Models:
6055, 6098, 6103, 6244, 6250, 6258, 6551, 6729, 7034, 7035, 7036, 7037, 7038, 7039, 7040, 7041, 7042, 7043, 7045, 7048, 7049, 7077, 7078, 7141, 7142, 7145, 7146, 7163, 7173, 7174, 7175, 7176, 7177, 7178, 7189, 7209, 7210, 7218, 7219, 7291.
Compatibility depends on the generator’s engine, production date, and configuration. Confirm the required filter using the complete model and serial number.
Product Information:
- Brand: Generac
- Part number: 0J8478S
- Previous part number: 0J8478
- Product type: Engine air-filter element
- Quantity: 1
- Condition: New
- Part classification: Genuine OEM
- Application: Select air-cooled standby generators
Maintenance Guidance:
Inspect and replace the air filter according to the service schedule in the generator owner’s manual. More frequent inspection may be required when the generator operates in dusty, dirty, or debris-filled environments.
Turn off the generator and allow the engine to cool before servicing it. Installation procedures may vary by generator model, so follow the applicable instructions in the owner’s manual.









Reviews
There are no reviews yet.