K&N Onan RV Generator

The K&N E-4420 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4420 is easy to install and is custom designed to fit some Onan generators and Clark Equipment forklifts, as well as other applications.
The K&N E-4420 replacement air filter is constructed with an oil-free synthetic for outstanding filtration and low air restriction to help your engine run efficiently. This air filter can be washed and reused.

• Million Mile Limited Warranty
• One year limited warranty