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K&N AIR FILTER RK-3930 REPLACEMENT RK SERIES KITS | 793930
$255.99 USD
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Keep your CFMOTO performing at its best with this complete OEM oil change kit — designed for a precise fit, clean installation, and long-lasting protection.

OEM Geniune Parts
OEM Geniune Parts
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  • Developed around an oversized K&N High-Flow Air Filter that is designed to boost performance, filtration and service intervals
  • Dyno-tuned velocity stack directs airflow to engine
  • Aluminum backing plate provides solid mounting surface
  • Built-in breathers replace external OE breathers

Fitment

  • 2008, 2013-14 Harley Davidson FLHRSE CVO Road King
  • 2008-09 Harley Davidson FLHT Electra Glide
  • 2008-09, 2015-16 Harley Davidson FLTR Road Glide
  • 2008-13 Harley Davidson FLHRC Road King Classic / FLHTC Electra Glide Classic / FLHTCUSE CVO Electra Glide Ultra Classic
  • 2008-16 Harley Davidson FLHR Road King / FLHTCU Electra Glide Ultra Classic / FLHX Street Glide
  • 2009 Harley Davidson FLTRSE CVO Road Glide
  • 2009-16 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
  • 2010-11 Harley Davidson FLHXXX Street Glide Trike
  • 2010-12, 2015-16 Harley Davidson FLHXSE CVO Street Glide
  • 2010-13, 2015 Harley Davidson FLTRX Road Glide Custom
  • 2010-16 Harley Davidson FLHTK Electra Glide Ultra Limited
  • 2011, 2015-16 Harley Davidson FLTRUSE CVO Road Glide Ultra
  • 2011-13, 2016 Harley Davidson FLTRU Road Glide Ultra
  • 2014-16 Harley Davidson FLHTKSE CVO Limited / FLHXS Street Glide Special
  • 2015-16 Harley Davidson FLHTCUL Electra Glide Ultra Classic Low / FLHTKL Electra Glide Ultra Limited Low / FLRT Freewheeler / FLTRXS Road Glide Special
  • 2016 Harley Davidson FLSTFB Softail Fat Boy Lo
  • 2016-17 Harley Davidson FLS Softail Slim / FLSS Softail Slim S / FLSTC Softail Heritage Classic / FLSTF Softail Fat Boy / FLSTFS Softail Fat Boy S / FLSTN Softail Deluxe / FXDLS Dyna Low Rider S / FXSB Softail Breakout / FXSE CVO Softail Pro Street Breakout
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Frequently asked questions

How often should I replace my air or oil filter?

Most ATV, UTV, and motorcycle filters should be replaced every 50–100 hours, or sooner if you ride in dusty, muddy, or sandy conditions.

How do I know which filter fits my machine?

Use your year, make, and model, or check the OEM part number. Installing the wrong filter can restrict airflow or reduce oil pressure.

Should I choose OEM or aftermarket filters?

OEM filters provide exact fit and reliability. Aftermarket filters can improve airflow or offer budget-friendly options. Both are safe as long as they match your model.

What happens if I don’t change a clogged air filter?

A dirty air filter can cause loss of power, poor throttle response, increased fuel usage, and long-term engine wear.

Do performance filters help with power?

High-flow filters can improve airflow and slightly increase horsepower, especially on performance ATVs and motorcycles, but regular OEM filters provide the best long-term protection.