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K&N KN-171C

Oil Filters > Oil Filter
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5.0 out of 5 stars 71 Customer Reviews

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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.
  • 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
  • Anti-drain back valve (where applicable) eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown

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Part KN-171C Product Specifications

Anti Drain Back ValveYes
Bypass ValveYes
Filter MaterialHigh Flow Premium Media
Gasket MaterialNitrile Rubber
Height3.906 in (99 mm)
Outside Diameter2.906 in (74 mm)
PSI Relief ValveYes
Removal NutYes
Thread Specification3/4 In. - 16 UNF
Product StyleOil Filters
Weight0.8 lb (0.4 kg)
Product Box Height4.25 in (108 mm)
Product Box Length3 in (76 mm)
Product Box Width3 in (76 mm)
Removal Nut Size17 mm
Warranty1 Year Limited

Product Reviews

January 2, 2019 Part - KN-171C
I've been using K&N filters for many years on all my vehicles. They are superior to most on the market in my estimation.

Klaus Koehler
Spring, Texas
November 25, 2018 Part - KN-171C
K-N Filters are easy to work with. Harley 103 doesn't have the best setup and it's kind of a mess to get the old filter off and a new one on. Having the nut on the end of the filter really helps with removal. The nut also acts as a heatsink for cooling the oil. I've checked the temperature of the nut VS filter body and the nut is definitely hot and acting as a heatsink.

Michael L Miller
Dodge City, Kansas
November 1, 2018 Part - KN-171C
Thank you 🙏🏻

Anwar Alruwaished
Riyadh, Saudi Arabia
See all reviews Review part KN-171C