• FILTERWEARS Pre-Filter K274 For K&N Air Filter RU-5173 & RU-4940
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FILTERWEARS Pre-Filter K274 For K&N Air Filter RU-5173 & RU-4940

FILTERWEARS Pre-Filter K274 For K&N Air Filter RU-5173 & RU-4940

$26.95 USD
$26.95 USD
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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: 5.88"(top diameter), 7.5"(base diameter), 6"(height)

Fits K&N Air Filters: RU-5173, RU-4940

Cross Reference: K&N Precharger RU-5173DK

Fits K&N Intake Kits: 57-2575, 57-2580, 57-2581, 57-2583, 57-2591, 57-2592, 57-2596, 63-2592, 63-2596, 63-2599, 77-2580KP, 77-2581KP, 77-2584KP, 77-2585KS, 77-2591KP

Vehicle Applications:

  • Fits 2017–2026 Ford F-150 3.5L EcoBoost V6 (w/ K&N 63-2599 intake)
  • Fits 2017–2026 Ford F-150 Raptor 3.5L EcoBoost V6 (w/ K&N 63-2599 intake)
  • Fits 2018–2025 Ford Expedition 3.5L EcoBoost V6 (w/ K&N 63-2599 intake)
  • Fits 2018–2021 Lincoln Navigator 3.5L EcoBoost V6 (w/ K&N 63-2599 intake)
  • Fits 2015–2017 Ford Expedition 3.5L EcoBoost V6
  • Fits 2015–2017 Lincoln Navigator 3.5L EcoBoost V6
  • Fits 2015–2017 Ford F-150 5.0L V8 (w/ K&N 57-2591 / 77-2591KP intake)
  • Fits 2015–2016 Ford F-150 3.5L EcoBoost V6 (w/ K&N 57-2592 / 63-2592 intake)
  • Fits 2015–2016 Ford F-150 3.5L naturally aspirated V6 (w/ K&N 57-2596 / 63-2596 intake)
  • Fits 2012–2014 Ford F-150 3.7L V6 (w/ K&N 77-2585KS intake)
  • Fits 2011–2014 Ford F-150 3.5L EcoBoost V6 (w/ K&N 57-2583 intake)
  • Fits 2011–2014 Ford F-150 5.0L V8 (w/ K&N 57-2581 / 77-2581KP intake)
  • Fits 2011–2012 Ford F-150 6.2L V8 (w/ K&N 77-2584KP intake)
  • Fits 2011–2014 Ford F-250 Super Duty 6.2L V8
  • Fits 2011–2014 Ford F-350 Super Duty 6.2L V8
  • Fits 2009–2010 Ford F-150 4.6L V8 (w/ K&N 57-2580 / 77-2580KP intake)
  • Fits 2009–2010 Ford F-150 5.4L V8 (w/ K&N 57-2575 intake)
  • Fits 2010 Ford F-150 SVT Raptor 5.4L V8 (w/ K&N 57-2575 intake)
  • Fits 2007–2014 Ford Expedition 5.4L V8 (w/ K&N 57-2575 intake)
  • Fits 2007–2014 Lincoln Navigator 5.4L V8 (w/ K&N 57-2575 intake)
  • Fits 2008–2010 Ford F-250 Super Duty 5.4L V8
  • Fits 2008–2010 Ford F-350 Super Duty 5.4L V8
  • Fits 1999–2004 Ford Mustang 3.8L V6
  • Also suitable for universal and custom applications using air filters with the same dimensions.

Important: This listing includes the FILTERWEARS pre-filter only. Air filter is not included.

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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 fitment

Plan the whole job

More for your car: Air Filters Β· All Air Filters Β· Filters

Questions about air filter

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should I change it?
Follow your maintenance schedule; dusty roads mean more often.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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