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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   4.9 out of 5 stars   50 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
  • 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 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
Gasket MaterialNitrile Rubber
Height3.906 in (99 mm)
Outside Diameter2.906 in (74 mm)
PSI Relief ValveYes
Removal NutYes
StyleCanister
Thread Specification3/4 In. - 16 UNF
Product StyleOil Filters
Weight0.8 lb (0.4 kg)
Product Box Height4.3 in (109 mm)
Product Box Length3 in (76 mm)
Product Box Width3 in (76 mm)
FinishBlack
Removal Nut Size17 mm
Warranty1 Year Limited

K&N KN-171B Oil Filter Product Reviews

Tuesday, September 4, 2018 - Part KN-171B
Oil Filter so much easier with a 17mm nut on the end. I have a k&N air filter also, great products.

Rob Foutz
Roanoke, Virginia
Wednesday, July 11, 2018 - Part KN-171B
My experience with the K&N online store was great. I was able to find the filter right for my bike. Completing the order was easy and I received my oil filter when promised. I will definitely use the online store again. Tim Millard

Timothy Millard
Royal Oak, Michigan
Wednesday, July 4, 2018 - Part KN-171B
Great service from K&N and so much easier to get off with the 17mm nut on the end, there is not a lot of space around the filter on my bike and other methods have never worked well. I also suspect that the K&N sealing ring is a better quality and less likely to jam the filter onto the motor. Unfortunately it did not prevent me from missing the pan when I drained my old oil while still managing to drop the drain plug in the pan. I was also able to kick the pan across the garage floor spilling half the contents. Hat-trick PS I am a robot and feel it is discriminatory that I cannot post without clicking to say 'I am not a robot'

Chris Scott
Plymouth, Canada