FILTERWEARS Pre-Filter K406 For K&N Air Filter RE-5286 | Harley-Davidson Touring, Dyna & Softail
FILTERWEARS Pre-Filter K406 For K&N Air Filter RE-5286 | Harley-Davidson Touring, Dyna & Softail
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters. Closed top, round tapered pre-filter.
Measurements: 3.5"(top diameter) x 4.375"(base diameter) x 5.25"(height)
Fits K&N Air Filter: RE-5286
Cross Reference: K&N DryCharger RE-5286DK
Fits K&N Intake Kits: 57-1134, 57-1137, 63-1139
Vehicle Applications:
- Fits 2020 Harley-Davidson Road Glide, Road Glide Limited, Street Glide, Street Glide Special, Road King, Road King Special, Ultra Limited, Electra Glide Standard, Tri Glide Ultra, Freewheeler, Fat Boy, Heritage Classic, Sport Glide, Softail Slim, Deluxe (w/ K&N 63-1139)
- Fits 2016-2017 Harley-Davidson Breakout, Fat Boy, Fat Boy Lo, Fat Boy S, Heritage Softail Classic, Softail Slim, Softail Slim S (w/ K&N 57-1134)
- Fits 2015-2016 Harley-Davidson Road Glide, Road Glide Special, Street Glide Special, Ultra Limited, Ultra Limited Low, Road King, Freewheeler (w/ K&N 57-1134)
- Fits 2017 Harley-Davidson Dyna Wide Glide, Low Rider, Low Rider S, Fat Bob (w/ K&N 57-1137)
- Fits 2016 Harley-Davidson Dyna Wide Glide, Low Rider, Fat Bob, Switchback (w/ K&N 57-1137)
- Fits 2014-2015 Harley-Davidson Breakout, Dyna Wide Glide, Low Rider, Fat Boy, Fat Boy Lo, Heritage Softail Classic, Softail Slim, Softail Deluxe (w/ K&N 57-1137; select models)
- Fits 2008-2014 Harley-Davidson Road King, Electra Glide, Ultra Classic, Road Glide and select Touring models (w/ K&N 57-1134; exact years vary by model)
- Also suitable for universal and custom applications using compatible round tapered air filters with the same dimensions.
Important: Vehicle applications require a compatible K&N intake system using the RE-5286 air filter. This pre-filter does not fit the factory air filter solely based on vehicle make, model or year. Air filter is not included.

Before you order: fitment and what to plan
The engine air filter keeps dust out of the engine; a cabin filter cleans the air you breathe inside the car.
Fitment notes
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Oil filter. Often changed at the same service.
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