$46.99 USD
MSRP $72.79 35.4% Off
Free Ground Shipping!
In Stock & Ready to Ship!
Find a Dealer

K&N E-4551 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   2 Customer Reviews
  • Designed to increase horsepower and acceleration
  • Designed for industrial applications
  • High air flow with excellent filtration
  • Washable and reusable air filter
  • One year limited warranty
The K&N E-4551 Air Filter fits some Onan HQDPA, Onan HQDPC, Onan QD 6000 - HDKAH, Onan QD 7500 - HDKAJ, and Onan QD 8000 - HDKAK models. See vehicle applications link for details.
K&N Small Engine and Light Industrial Replacement Air Filters - K&N manufactures many direct replacement elements for small industrial engines, utility lawn and garden units, air compressors, generators, chain saws, etc.

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

Product Specifications

Air Filter ShapeOval
Base Outside Length6.813 in (173 mm)
Base Outside Width4.188 in (106 mm)
Filter MaterialNon-woven Synthetic
Height4 in (102 mm)
Inner WireNo
Inside Length5.188 in (132 mm)
Inside Width2.563 in (65 mm)
Outside Length6.813 in (173 mm)
Outside Width4.188 in (106 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height5.75 in (146 mm)
Product Box Length10.38 in (264 mm)
Product Box Width5.38 in (137 mm)
Product StyleOval Air Filter
Top Material/FinishNone
Top Outside Length6.813 in (173 mm)
Top Outside Width4.188 in (106 mm)
Top StyleOpen
Weight0.8 lb (0.4 kg)

K&N E-4551 Air Filter Product Reviews

Monday, December 14, 2015 - Part E-4551
Filter delivered in a timely manner. I Have K&N filters in my simi and they are great.

Tuesday, November 19, 2013 - Part E-4551
Love the filter used on my 7500 watt onan generator very easy to clean and reuse. In fact I'm planning on odering another one just like it

Thank You K&N.

william morgan
millersville mo