0J8478S 2X Air Filter Element for Generac Rectangle 2013 Evolution 14kW - 20kW

Air Filter Element for Generac

This 0J8478S replacement air filter element is a two-piece set designed for Generac rectangular air filter housings on 2013 Evolution series generators. It ensures clean combustion air for reliable power output in standby and portable generator models.

Overview

This 0J8478S 2X Air Filter Element is a direct replacement for Generac Evolution series generators rated from 14kW to 20kW. It fits the rectangular filter housing used in the 2013 Evolution lineup, providing essential engine protection. This air filter element helps maintain generator efficiency and reduces wear on internal components.

Built For Performance

• Set of two filter elements for complete replacement and spare availability.
• Precisely matches rectangular dimensions for a snug fit in Generac housing.
• High-efficiency filtration media traps airborne contaminants.
• Designed for 2013 Evolution series compatibility with 14kW to 20kW models.
• Reinforced construction to resist collapse under high airflow demand.

Fits These Machines

• for Generac 2013 Evolution 14kW
• for Generac 2013 Evolution 16kW
• for Generac 2013 Evolution 18kW
• for Generac 2013 Evolution 20kW

On-The-Job Use

• Use as a replacement filter during routine generator maintenance.
• Ideal for home standby generators providing backup power during outages.
• Reduces exhaust emissions by maintaining proper air-fuel mixture.
• Supports continuous operation during extended power interruptions.
• For use in areas with moderate to heavy airborne dust levels.

Specs At A Glance

Good To Know

Q: How often should the generator air filter be replaced? A: Check the air filter every 100 hours or annually, and replace it when visibly dirty or every two years to maintain generator efficiency.

Q: Is this filter washable or reusable? A: No, this is a dry pleated paper filter and should be replaced, not cleaned, when it becomes clogged with dirt or debris.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.