E-3820 K&N Round Air Filter

$138.99
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SKU
E-3820
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Round Air Filter
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N’s 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!
  • Designed to increase horsepower
  • Washable, reusable, and engineered to last for the life of your vehicle
  • Designed to provide high airflow and exceptional filtration
  • Engineered to fit easily into your factory air box
  • 10-Year/Million Mile Limited Warranty
  • Only needs cleaning every 50,000 miles under normal highway driving conditions
  • Emissions legal in all 50 States
  • Will not void vehicle warranty
Filter MaterialCotton Gauze
Height4 in (102 mm)
Inner WireYes
Inside Diameter17.5 in (445 mm)
Outside Diameter20 in (508 mm)
Top StyleOpen
Top MaterialNone
Air Filter ShapeRound
FlangesNone
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
WashableYes
Product StyleRound Air Filter
Weight5.7 lb (2.6 kg)
Filter Re-Oiling Amount4.62 oz (136 ml)
Product Box Height4.75 in (121 mm)
Product Box Length20.38 in (518 mm)
Product Box Width20.38 in (518 mm)
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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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Speed Shop

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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Home Air Filters

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

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FUEL FILTERS

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CLEANING KITS

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HD DIESEL

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POWERSPORTS

Our Story

Why K&N?

We're #1 for a reason. Since 1969 every product we've created delivers high-performance, unmatched quality and longevity

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