Best in 7 days
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
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For Your Every Summer RSVP, with Code: SUMMER15
Description
UNI Filter NU-4137ST Air Filter Fits Honda Dirt BikeUNI air filters are unsurpassed in airflow, dirt stopping and overall performance. The produce more horsepower and more torque than any other air filter. Uni's revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning. To complete the winning combination, apply Uni oil and Uni cleaner. Applications: 2003 18 Honda CRF 150 F 2003 18 Honda CRF 230F
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 948 reviews
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Product Reviews
★★★★★ 3
Verify connector size
Size: 2 Colors each 5FT, Style: 10AWG
Wire size too big for Power Pole connector.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Got you wired
Size: 2 Colors each 5FT, Style: 10AWG
Very good, the item and service was perfect !
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Worked good
Worked well on my 84 115 tower of power
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Good
Good
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great replacement parts!
Perfect fit for my 2003 Mercury Salt Water 150 2 stroke engine. Everything I needed was in the box.” “Good quality parts and saved me a lot compared to OEM.
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Reviewed in the United States on July 6, 2025
