K&N Engineering
SPECIAL ORDER Repl Indstrl Fltr
SKU: K001 E-4420
Easy — 1–2 hours
Description
Part #: E-4420
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.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | K&N Engineering |
| Part Number | K001 E-4420 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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