K&N Heavy Duty Diesel Air Filters are designed to increase horsepower
through a low-restriction, high air flow design. While this is a great
feature the fact that they are washable and reusable in a world of throw
away filters gets the attention of big rig truck owners. After they
see how easy the process is to clean the filters and get them reinstalled
the main question is does K&N make one for my rig? Watch K&N's
Heavy Duty Air Filter Cleaning video to see for yourself.
K&N Heavy Duty Air Filter 38-2021R
K&N has been working hard releasing new parts to increase class 4-8 truck
One addition to the K&N heavy duty air filter line is part number 38-2021R. This washable/reusable air filter is manufactured from quality components and backed by
K&N's Heavy Duty Air Filter 3-year/300,000 mile limited warranty.
K&N's 38-2021R is
a reverse flow air filter meaning the air flows from inside the air filter
then out through the sides. This filter's hybrid synthetic material does not require oil like
most K&N products. No oil equates to less time spent servicing the air filter.
air filter is made with thick urethane seals, heavy duty wire mesh for structural support, and
durable air filter material for long life. It is used on some Kenworth,
Peterbilt, and Western Star Trucks as well as in other applications.
The best method of determining the correct K&N heavy duty air filter for your needs is to use our air filter cross reference search.
The 38-2021R is a cross reference to the disposable air filter parts listed below:
Find K&N products for your street car or truck using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.