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KN-171C
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K&N KN-171C Oil Filter

Oil Filters > Oil Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   56 Customer Reviews
  • O/E replacement oil filters for most cars, trucks, SUV's, motorcycles, & ATV's
  • 17 mm exposed nut designed for easy oil filter removal
  • Heavy-duty, chrome-plated canister handles extreme conditions
  • Resin-impregnated filter media traps 99% of harmful contaminants
  • Anti-drain back valve (where applicable) eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown
K&N powersports chrome canister oil filters contain a modern synthetic filter media, designed for ultimate flow with less pressure drop, yet engineered for outstanding filtration. K&N powersports 'spin-on' oil filters feature a heavy-duty, chrome-plated metal can. Most of these have a 17 mm nut affixed onto the end that allows for easy removal. The 17 mm nut is crossed-drilled so racers can safety wire the filter to their bike.

[More Information on Powersport Canister Oil Filters]

Product Specifications

Anti Drain Back ValveYes
Bypass ValveYes
Filter MaterialHigh Flow Premium Media
FinishChrome
Gasket MaterialNitrile Rubber
Height3.906 in (99 mm)
Outside Diameter2.906 in (74 mm)
Product Box Height4.25 in (108 mm)
Product Box Length3 in (76 mm)
Product Box Width3 in (76 mm)
Product StyleOil Filters
PSI Relief ValveYes
Removal NutYes
Removal Nut Size17 mm
StyleCanister
Thread Specification3/4 In. - 16 UNF
Weight0.8 lb (0.4 kg)

K&N KN-171C Oil Filter Product Reviews

Wednesday, March 1, 2017 - Part KN-171C
Wonderful product and a nice upgrade to my 2016 Harley Davidson Street Glide Special and 2017 Harley Davidson Road King. I love the attached 17 mm nut for ease of removal.

Randy Olson
Spokane, Washington
Monday, February 27, 2017 - Part KN-171C
Every car and motorcycle I own has a K&N air filter and oil filter in it. This was my first time to buy on line and I'll be back! (in Arnold the terminator voice). Thanks for your products. Patriot guard rider, Harry Mitchell

Harry Mitchel
LaGrange, Oregon
Tuesday, December 13, 2016 - Part KN-171C
Very efficient service, super quick delivery and a high quality product. The first time I have used a K&N oil filter, and it won't be the last.

David Stobbs
Southport, United Kingdom
Friday, November 25, 2016 - Part KN-171C
A quality oil filter with the added convenience of hexagon screw/unscrew on the end of the filter. It makes filter changes a breeze, even on a Harley-Davidson where access to the filter is limited and a special oil filter spanner is needed. I have the spanner but it can stay in the toolbox as using it is just too fiddly. The K&N chrome is also top quality. I trust K&N with all filters for the Harley, the air filter is simply the best.

David Murr
Braintree, United Kingdom
Thursday, November 10, 2016 - Part KN-171C
This filter is extremely well built. The housing is heavy gauge steel and the base plate is well machined with perfect threads. The chrome finish is not great, but appears to be durable. A higher quality finish would be appreciated. The seal/gasket is well attached and has never leaked. I started using this filter because of the attached installation/removal nut. I am now sold on the overall quality of the filter. I have used numerous K&N filters and have never had a problem.

Barry Faass
Cheyenne, Wyoming
Saturday, October 29, 2016 - Part KN-171C
I've been buying from K&N for several years for my Harleys. Always easy and never had an issue with delivery or product. I did order the incorrect air filter once, and had to contact K&N. The return and exchange for the correct filter was effortless. I would recommend K&N as a company to do business with and recommend their products as well.

Basil Pederzani
Easthampton, Massachusetts
Friday, October 28, 2016 - Part KN-171C
Quality product.

Tom Listinsky
St. Francis, Wisconsin