K&N Heavy Duty Canister Air Filters for Large Vehicle Performance

 
 
K&N's new HD (heavy duty) 90 degree canister air filters are designed to have the efficiency of standard OEM replacement HD air filters but they flow up to 15% more air.
Replacement Air Filter 38-2001S
Heavy Duty Air Filter 38-2001S and 38-2002S
In addition, K&N's HD air filters do not require the use of oil and can be easily cleaned multiple times with power sprayers or commercial parts washers. Providing performance, long service life and protection was K&N's primary goal when developing the 38-2001S, 38-2001R, 38-2002S, and 38-2002R canister air filters. These air filters mount horizontally with a supplied 90 degree canister and their metal bottom flange. These filters are used on a large number of applications.  The best way to determine which of these K&N air filters will fit your vehicle is to cross reference it to the OEM disposable air filter in the lists below or look it up online at www.knfilters.com/search/cross_reference.aspx.
Heavy Duty Air Filter 38-2001R and 38-2002R
Heavy Duty Air Filter 38-2001R and 38-2002R


The synthetic filter material in these filters is designed to filter air in a specific direction.  Air flows in through the red side and out through the white side.  Part numbers that end in an "S" have a standard flow filter design where the air flows in from the outside of the filter and out through the bottom base.  Part numbers that end with an "R" have a reverse flow filter design where the air flows into the bottom base and out through the outside of the filter.  Basically all of the reverse flow filters are engineered to flow the air through the inside to the outside opposite that of the standard flow models. The hybrid synthetic material in these air filters provide excellent filtration, engine protection, and long intervals between cleaning through depth loading.  The synthetic filter media is designed to depth load dirt and contaminants into the filter itself. This is unlike most disposable air filters which only collect dirt and dust on the outer filtration surface.

A key feature of K&N's 38-2001S, 38-2001R, 38-2002S, and 38-2002R is the ease by which they are cleaned. Unlike other K&N products that require gentle washing, K&N's HD canister air filters are just removed from their mounting canister and soaked with cleaner on the colored side of the filter, then washed thoroughly with a power sprayer on the inside surface for standard flow models and on the outside surface for reverse flow designs until all of the cleaner and dirt is removed. After drying, this quick and easy clean filter is ready to be reused.  These filters are designed to last for 300,000 miles.

Heavy duty trucks and other large sized vehicles that use corresponding filters in the cross reference table below can benefit from K&N's new HD 90 degree canister filters.

K&N's 38-2001S Air Filter is a replacement for the air filter part numbers below:
BALDWIN PA2721
CARQUEST 88891
DONALDSON P537447
FARR 062891001
FLEETGUARD AH1104
FLEETGUARD AH8501
FRAM CA7229
LUBER-FINER LAF1828
NAPA 6891
WIX 46891

K&N's 38-2001R Air Filter is a replacement for the air filter part numbers below:
BALDWIN PA2721
CARQUEST 88891
DONALDSON P537447
FARR 062891002
FLEETGUARD AH1104
FLEETGUARD AH8501
FRAM CA7229
LUBER-FINER LAF1828
NAPA 6891
WIX 46891

K&N's 38-2002S Air Filter is a replacement for the air filter part numbers below:
BALDWIN PA2722
CARQUEST 88893
DONALDSON P537448
FARR 062891002
FLEETGUARD AH1105
FLEETGUARD AH8503
FRAM CA7230
LUBER-FINER LAF1848
NAPA 6893
WIX 46893

K&N's 38-2002R Air Filter is a replacement for the air filter part numbers below:
BALDWIN PA2722
DONALDSON P537448
FARR 062891002
FLEETGUARD AH1105
FLEETGUARD AH8503
FRAM CA7230
LUBER-FINER LAF1848
NAPA 6893
WIX 46893

For more information on these heavy duty air filters please contact K&N customer service at 800-858-3333.



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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.

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