Description
UNI air filter hon. Manufacturer part number NU-4149ST.
WPS part number NU-4149.
Application
Verified WPS motorcycle applications are listed below.
View checked motorcycle models and years
- Honda CRF450RL: 2021, 2022, 2023, 2024
- Honda CRF450X: 2019, 2020, 2021, 2022, 2023, 2024, 2025
WPS application data checked November 11, 2026.

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