Replace Generac Air Filter Element Rectangle 14kW - 20kW 2013 Evolution 0J8478S
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Air Filter Element for Generac
This replacement air filter element for Generac generators is a rectangular filter designed for 14kW to 20kW Evolution models from 2013, with OEM cross-reference 0J8478S.
Overview
This air filter element for Generac generators fits 14kW through 20kW Evolution series units built in 2013, ensuring clean airflow for the engine. It is a direct replacement for the original filter, helping maintain proper combustion and engine protection. The rectangular design matches the original housing for a secure fit.
Built For Performance
- High-quality filtration media captures dust and debris
- Rectangular shape matches OEM dimensions for proper sealing
- Direct replacement for Generac part 0J8478S
- Supports consistent engine performance during standby or prime power use
- Constructed to resist moisture and maintain integrity over time
Fits These Machines
- for Generac 14kW Evolution
- for Generac 16kW Evolution
- for Generac 18kW Evolution
- for Generac 20kW Evolution
On-The-Job Use
- Used in home standby generator maintenance for reliable backup power
- Replaces clogged filters during annual service intervals
- Installs in the generator's air cleaner housing for regular engine upkeep
Specs At A Glance
| Part Number(s) | 0J8478S |
| Type | Air Filter Element |
| Shape | Rectangle |
| Compatible Brands | for Generac |
| Power Range | 14kW - 20kW |
Good To Know
Q: How often should this air filter be replaced? A: For a Generac Evolution generator, it is commonly replaced every 12 months or 100 operating hours, whichever comes first.
Q: Will this filter work on newer Generac models? A: It is specifically designed for 2013 Evolution units in the 14kW to 20kW range, so confirm your model year and serial number before ordering.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.