E-3975 K&N Unique Air Filter

$74.99
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SKU
E-3975
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Unique Air Filter
The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson® motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.
  • Replacement air filter for specific RK Series air cleaner assemblies
  • Designed to boost horsepower and rate of acceleration
  • Washable and reusable
  • High air flow filter media provides exceptional filtration
  • Million Mile Limited Warranty®
Air Filter ShapeUnique
Height2.125 in (54 mm)
Package Contents1 Air Filter
Package Quantity1
WashableYes
Product StyleUnique Air Filters
Filter MaterialCotton Gauze
FlangesNone
Top StyleMetal
Top MaterialAluminum
Outside Diameter8.625 in (219 mm)
Outside Length8.625 in (219 mm)
Outside Width6.375 in (162 mm)
Weight1.9 lb (0.9 kg)
Filter Re-Oiling Amount0.35 oz (10 ml)
Product Box Height3.63 in (92 mm)
Product Box Length8.5 in (216 mm)
Product Box Width8.5 in (216 mm)
Inner WireNo
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Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

K&N Products

Unmatched Performance

50 years of improving vehicle performance.

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Cold Air Intakes

Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.

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Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.

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Cabin Air Filters

Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.

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Oil Filters

K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.

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From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.

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New washable and reusable air conditioning and furnace filters for your home. From the industry leader in washable automotive filtration.

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CLEANING KITS

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OUR STORY

WHY K&N?


K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!


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