Air and Fuel› Air Cleaners, Filters, Intakes and Components
UNIFILTER
Uni Filter Uni Foam Honda Crf450 Crf250
SKU: U01K NU-4145ST
Beginner — under 30 min
Description
This air filter features a unique two-stage foam construction. Alternatively, the filters can be oiled for use in wet conditions. It is sold individually and available in red.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
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 | UNIFILTER |
| Part Number | U01K NU-4145ST |
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.
View Full Return Policy