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K&N Custom Air Filter 20053603
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  • Part #: RT3910|
  • SKU: 20053603

Available


    • Replacement filter for RK-3909
    • Washable and reusable
Retail
$112.99

K&N Custom Air Filter

The K&N RT-3910 Custom Air Filter converts the RK-Series Air Filter Assembly (RK-3909) with a taller K&N Air Filter and longer spacers. It is designed for Harley owners who need more air for better performance.
  • Replacement filter for RK-3909
  • Washable and reusable
  • Low restriction
  • Comes with spacers and thread locker
Restrictions
  • WEB ORDER ONLY!


California Restricted
Not legal for sale or use in California
Air Filter Height
2 in (51 mm)
Air Filter Shape
Oval
Inlet Diameter
2.25 in (57 mm)
Length
8.813 in (224 mm)
Overall Height
2.5 in (64 mm)
Filter Material
Cotton Gauze
Height
2.25 in (57 mm)
Mounting Hardware Included
Yes
Flanges
None
Air Filter Material
Cotton Gauze
Color
Red

20053603

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