• Uni Air Filter - NU-3801ST
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UNI Filter

Uni Air Filter - NU-3801ST

Uni Air Filter - NU-3801ST

$45.95 USD
$45.95 USD
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Shipping calculated at checkout.
Universal fit

This part is not machine-specific — it fits by size, thread, or bolt pattern rather than by year, make and model. Check the specification against your machine before ordering.

Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, reach out and we’ll gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 579-509-2791.
  • Designed to fit in the factory air box exactly like original filter
  • The best selling replacement air filter for competition motorcycles and ATVs
  • Unique two stage design allows for easy and complete cleaning
  • Dual layer of foam, can be serviced separately
  • Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"
  • Used by factory Yamaha, Kawasaki and Suzuki off-road
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