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38-2021R
$270.99 USD
MSRP $362.09 25.2% Off
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K&N 38-2021R Air Filter

Replacement Filters > Replacement Air Filter-HDT
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   3 Customer Reviews
  • Washable and reusable
  • Easy to clean
  • Outstanding filtration
  • No oil required
K&N's line of Heavy Duty commercial grade air filters are washable and have been specially engineered for heavy duty trucks, RV's and agricultural equipment. They use a new hybrid filtration medium that's incredibly easy to clean. They can be washed using power sprayers, pressure washers or standard truck washing equipment and they do not require the use of oil. Instead of repeatedly throwing away expensive disposable air filters, now you have a choice. A washable air filter designed to improve engine performance will now make air filter maintenance a snap.

[More Information on Washable Heavy Duty Replacement Air Filters]

Product Specifications

Base Inside Diameter5.938 in (151 mm)
Base Outside Diameter13.063 in (332 mm)
Flow DirectionReverse
Filter MaterialNon-woven Synthetic
Height25.688 in (652 mm)
Inner WireYes
Top Inside Diameter7.563 in (192 mm)
Top MaterialNone
Top Outside Diameter12.813 in (325 mm)
Top StyleRubber
Warranty36 Months - 300,000 Miles
WashableYes
Product StyleHeavy Duty Replacement Filter Round Tapered
Air Filter ShapeRound Tapered
FlangesNone
Package Contents1 Air Filter, 2 Gaskets
Package Quantity1
Weight18 lb (8.2 kg)
Air Filter Large End Diameter13.063 in (332 mm)
Product Box Height14.31 in (364 mm)
Product Box Length30.63 in (778 mm)
Product Box Width14.5 in (368 mm)
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 38-2021R Air Filter Product Reviews

Saturday, December 9, 2017 - Part 38-2021R
Great product and perfect fit.

Michael Deer
Elgin, South Carolina
Friday, September 30, 2016 - Part 38-2021R
I purchased two different types of filters for two different types of trucks. Excellent product. I will buy again.

Bernardino Gomez Jr
Dansville, Michigan
Tuesday, May 31, 2016 - Part 38-2021R
Filters came right away and they fit perfectly. Highly recommend to all heavy duty truck owners.

Robert Ford Trucking
Chino, California