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K&N HD-0818 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.8 out of 5 stars   6 Customer Reviews
  • Designed to provide increased horsepower and torque
  • Pleated media provides a large filtration area offering long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Application specific base seal and sealing bead
  • Made in the USA for over 40 years
  • Washable & reusable, pre-oiled and ready to ride!
  • Includes a 10-Year/Million-Mile Limited Warranty
K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapeRound Tapered
Base Outside Diameter6 in (152 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.28 oz (8 ml)
Height2.313 in (59 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height3.5 in (89 mm)
Product Box Length6.31 in (160 mm)
Product Box Width6.56 in (167 mm)
Product StyleUnique Air Filters
Top Material/FinishZinc
Top Outside Diameter5.5 in (140 mm)
Top StyleMetal
Weight1.8 lb (0.8 kg)

K&N HD-0818 Air Filter Product Reviews

Friday, March 11, 2016 - Part HD-0818
I have used K&N filters for all of my Harley Davidson applications. I just replaced the HD filter with this and am pleased as usual.

Bill White
Hot Springs, Arkansas
Wednesday, September 02, 2015 - Part HD-0818
Quick delivery, perfect fit

Kennewick, Washington
Wednesday, August 26, 2015 - Part HD-0818
Great experience very easy will order again

Dave Goldstein
Brooklyn, New York
Tuesday, May 05, 2015 - Part HD-0818
Price was good, package came ahead of schedule. I use K&N for all my automotive air solutions.

John D. Stroud
Wilmington, DE
Tuesday, April 14, 2015 - Part HD-0818
Easy to install in my 2011ultra. Can feel the new found power

Don M
Abingdon, Maryland
Thursday, August 07, 2014 - Part HD-0818
Easy to find replacement. Thanks.

Scott Curcio
New Jersey