E-4552 K&N Replacement Industrial Air Filter

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K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
  • Designed to increase horsepower and acceleration
  • Hundreds of sizes and shapes for most applications
  • High air flow with excellent filtration
  • Clamp-on washable and reusable air filter
  • Malleable flanges
  • One year limited warranty
Air Filter MaterialNon-woven Synthetic
Height7.125 in (181 mm)
Inner WireNo
Inside Diameter1.875 in (48 mm)
Outside Diameter3.5 in (89 mm)
Top StyleRubber
Top MaterialNone
Air Filter ShapeRound
Package Contents1 Air Filter
Package Quantity1
Warranty1 Year Limited
Product StyleRound Air Filter
Base Outside Diameter3.375 in (86 mm)
Top Outside Diameter3.5 in (89 mm)
Weight0.9 lb (0.4 kg)
Product Box Height7.75 in (197 mm)
Product Box Length7.75 in (197 mm)
Product Box Width4.13 in (105 mm)
Cross References
AC Delco A2181C
Baldwin PA4632
Baldwin RS3715
Big A 94449
Carquest 88449
Case 6191362M1
Champ AF2308
Donaldson FPG042544
Donaldson P812440
Donaldson P822686
Fleet Air FA3715
Fleetguard AF25538
Fleetguard AF25550
Fleetguard AF25745
Fleetguard AH19082
Fram CA9248
Hastings AF2308
Hastings PA4632
John Deere M113621
Kawasaki 110131290
Kralinator LA1646
Kubota 6A10082630
Kubota 6A10082632
Kubota 6C06099410
Kubota K121182320
Luber-Finer LAF8388
Napa 6449
Onan 1403071
Purolator A35270
Toro 932195
Volvo 6050126
WIX 46449
Yanmar 11965512560

K&N Products

Unmatched Performance

50 years of improving vehicle performance.


Cold Air Intakes

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

air filters

Air Filters

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

cabin air filter

Cabin Air Filters

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

oil filters

Oil Filters

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


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.





diesel filter






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!