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K&N E-4521 4.5 out of 5 stars 4 Customer Reviews
Replacement Filters > Replacement Industrial Air Filter

 List Price: $53.00
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E-4521
 
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The K&N E-4521 replacement air filter is constructed using an oil-free synthetic media. A tube of sealing grease is provided to help ensure an airtight seal. The E-4521 provides superior filtration, protecting your equipment's engine. This K&N air filter can be cleaned and used again. The E-4521 air filter fits some Kohler, Toro Multi Pro and John Deere equipment, in addition to other applications.

[More Information on Small Engine & Light Industrial Air Filters]
  • Washable and reusable
  • Ease of maintenance
  • High air flow with excellent filtration
  • Increased performance
  • Grease provided for secure fit
  • Lifetime limited warranty
Available Information
E-4521 Cross Reference
Installation Instruction Sheet
E-4521 Vehicle Applications
Cleaning Instructions -


Part E-4521 Product Specifications
Product Style: Round Air Filter
Height: 2.5 in (64 mm)
Inner Wire: No
Inside Diameter: 5.5 in (140 mm)
Outside Diameter: 7 in (178 mm)
Top Style: Open
Top Material/Finish: None
Air Filter Shape: Round
Filter Material: Non-woven Synthetic
Flanges: None
Package Contents: 1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity: 1
Weight: 0.87 lb (0.4 kg)
Product Box Length: 7.75 in (197 mm)
Product Box Width: 4.13 in (105 mm)
Product Box Height: 7.75 in (197 mm)



Product Reviews    See all reviews!  Review part E-4521

 Filter was easy to look up and determine which model to get. Item was packed well and shipped quickly. It fit my mower ok as expected. Have not been able to run it yet (while solving another fuel problem) to see if there is any noticeable performance difference.
Josef Stanek, Wisconsin
 Saves me lots of money on filters but would have been better with a foam prefilter as its on my mower and gets clogged by grass daily.
Jerry, Maryland
 I have always had great results with your filters.
R Svedahl, Montana