Uni Filter NU4137ST Air Filter;
Uni Filter NU4137ST Air Filter

  • 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 Cleani...

    • Buy Now From Amazon

  • 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"


    • Please Note: The Image Displayed Is Representative of UNI Filters, but Shows a Variety of Styles. You Will Only Receive the Proper Filter Described for Your Application, Regardless of Image Shown.

    • New
    • New

    Similar Products

    NGK (4929) DPR8EA-9 Standard Spark Plug, Pack of 1All Balls Carburetor Repair Kit 26-1173 Honda CRF230F 2003-2015Uni Filter UFM-400 Filter Oil and Cleaner Service KitAuto-Moto Carb for Honda CRF150F CRF 150 F (2003-2014) Carburetor (Fits: CRF150F) (Carburetor X 1)UNI Foam Filter Oil UFF100 (1)Uni Foam Filter Oil & Filter Cleaner Kit ATV Dirt Bike Chemical Cleaner UFM-400SclMotor Universal 22mm 7/8