UNI Two-Stage Air Filter for 18-22 Yamaha Wolverine X2/X4/RMAX

The UNI NU-3271ST is a multi-stage foam replacement air filter designed specifically for Yamaha Wolverine X2 and X4 UTVs. Its 2-stage filtration helps your Wolverine breathe clean air in dusty, muddy and sandy conditions, protecting your engine while maintaining strong performance.

Key Benefits

• 2-stage foam filtration - Dual layers of foam are engineered to capture both fine dust and larger debris so your engine runs cleaner, longer.
• Improved engine protection - Traps dirt and contaminants before they reach the cylinder, helping reduce wear during aggressive off-road riding.
• Consistent airflow - Open-cell foam construction supports reliable airflow to maintain throttle response and power across varied terrain.
• Washable and reusable - Foam element can be serviced and reused, ideal for riders who log serious miles in harsh environments.
• Direct-fit for Yamaha Wolverine - Built as a replacement element for specified Wolverine X2 and X4 models for quick, no-mod installation.

What's Included

• (1) UNI NU-3271ST air filter element

Specifications

• Brand: UNI Filter
• MPN: NU-3271ST
• Construction: Multi-stage foam element
• Filtration: 2-stage foam design
• Country of origin: Made in the U.S.A.
• Weight: 0.2 lbs
• Dimensions: 10.0 in (L) x 4.0 in (W) x 4.0 in (H)

Fitment

Direct-fit replacement for:

• 2020-2026 Yamaha Wolverine 850 X2 XT-R (YXE850WPS)
• 2019 Yamaha Wolverine X2 R-Spec SE (YXE850WPS)
• 2018-2021 Yamaha Wolverine X4 (YXF850WPA)
• 2020 Yamaha Wolverine X4 XT-R 4x4 (YXF 850)

This UNI NU-3271ST air filter is built to match the dimensions and sealing surfaces of the original element on these Yamaha Wolverine models, making it a straightforward replacement for riders who want durable, serviceable foam filtration for serious off-road use.