$35.99 USD
MSRP $56.79 36.6% Off
Free Ground Shipping!
In Stock & Ready to Ship!
Find a Dealer

K&N E-4250 Air Filter

Replacement Filters > Replacement Industrial Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   1 Customer Review
  • Washable and reusable
  • Designed for industrial and small engine applications
  • High air flow with excellent filtration
  • Ease of maintenance
  • One year limited warranty
The K&N E-4250 Air Filter fits some Stihl , Stihl 044, Stihl 064, Stihl 084, Stihl MS440, Stihl MS441, Stihl MS640, and Stihl MS780 models. See vehicle applications link for details.
The K&N E-4250 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4250 is easy to install and is custom designed to fit right into the factory air box of some Stihl chainsaws, as well as other applications.

[More Information on Small Engine & Light Industrial Air Filters]

Product Specifications

Air Filter ShapeOval
Base Outside Length4.063 in (103 mm)
Base Outside Width3.063 in (78 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.22 oz (6 ml)
Height1.625 in (41 mm)
Inner WireNo
Inside Length2.813 in (71 mm)
Inside Width1.813 in (46 mm)
Outside Length4.063 in (103 mm)
Outside Width3.063 in (78 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height4.25 in (108 mm)
Product Box Length4.63 in (117 mm)
Product Box Width4.63 in (117 mm)
Product StyleOval Air Filter
Top Material/FinishNone
Top Outside Length4.063 in (103 mm)
Top Outside Width3.063 in (78 mm)
Top StyleOpen
Weight0.2 lb (0.1 kg)

K&N E-4250 Air Filter Product Reviews

Monday, June 9, 2014 - Part E-4250
Typical K&N product. Absolutely great!

Jim Wahl
Nevada, Iowa