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

Oil Filters > Oil Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.8 out of 5 stars   29 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 construction for 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 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 metal can. Most of these have a 17 mm nut affixed onto the end that allows for easy installation and 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
FinishBlack
Gasket MaterialNitrile Rubber
Height4.063 in (103 mm)
Outside Diameter3 in (76 mm)
Product Box Height4.3 in (109 mm)
Product Box Length3.2 in (81 mm)
Product Box Width3.2 in (81 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-171B Oil Filter Product Reviews

Monday, June 13, 2016 - Part KN-171B
As advertised. Took a few days but everything came as described in the time stated.

Darren Hightower
Claremore, Oklahoma
Saturday, May 21, 2016 - Part KN-171B
I'll presume this filter works the same or better (K&N reputation) than the original but overall I'd rate it higher due to its design with the simple 17 mm nut feature allowing spanner or socket use.

Hugh
Scotland
Friday, May 13, 2016 - Part KN-171B
Much easier to use with the built in hexagonal nut on the exterior for removal purposes........

Robert Gunter
Port Talbot, United Kingdom
Monday, April 18, 2016 - Part KN-171B
Been using them for years. Not a single problem. The nut helps with removal.

Dale
South Dakota
Saturday, March 5, 2016 - Part KN-171B
This is the best oil filter I can use for my H-D The nut is perfect for on and off maintenance, and K&N's reputation for solid products goes without saying. Thank you, I'll be back!

Pat
Washington
Tuesday, January 12, 2016 - Part KN-171B
First class product.

Richard
Oxford, United Kingdom
Monday, January 11, 2016 - Part KN-171B
K&N has a great web site. I used their vehicle search to find the correct filter for my Harley Davidson 103. I really like the nut on the end of the filter as it makes installation and removal easy, no special tools required. An overall excellent experience Fast shipping as well.

Harold Brooks
San Antonio, Texas