K&N Oil Filter KN-171
  • K&N Oil Filter KN-171 - Black
  • K&N Oil Filter KN-171 - Chrome

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Video Reviews (2)

K&N Oil Filter KN-171 Videos

K&N Oil Filters

K&N Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. K&N Oil Filters feature synthetic medias that trap 99% of harmful contaminants without compromising oil flow rates.

The K&N 'wrench off’ oil filters feature a 17mm nut affixed onto the end that allows for easy installation and removal. The 17mm nut is cross-drilled making it super easy to throw on a safety wire. Its heavy duty canister and base plate protect against punctures while the double-rolled seal and pre-lube gasket ensure a secure seal.


  • Compatible with conventional, synthetic blend and full synthetic oils
  • High-flow rate synthetic media filter
  • Traps 99% of harmful contaminants
  • Pressure relief valve and anti-drain back valve (where applicable)
4.9 / 5
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
This Product Fits:
M2 Cyclone 19972002
S1 Lightning 19941999
S1 White Lightning 1998
S2 Thunderbolt 1994, 1995, 1996
S2T Thunderbolt 19941999
S3 Thunderbolt 1997, 1998, 1999
S3T Thunderbolt 1997, 1998, 1999
X1 Lightning 1999, 2000, 2001, 2002
Harley Davidson
Dyna Convertible FXDS 1999, 2000
Dyna Fat Bob CVO/SE FXDFSE 2009, 2010
Dyna Fat Bob FXDF 20082017
Dyna Low Rider FXDL/I 19992009, 20142017
Dyna Low Rider S FXDLS 2016, 2017
Dyna Street Bob FXDB/I 20062017
Dyna Super Glide Custom FXDC/I 20052014
Dyna Super Glide CVO/SE FXDSE 2007
Dyna Super Glide CVO/SE FXDSE2 2008
Dyna Super Glide FXD/I 19992010
Dyna Super Glide Sport FXDX 19992005
Dyna Super Glide Sport Touring FXDXT 2001, 2002, 2003
Dyna Switchback FLD 2012, 2013, 2014, 2015, 2016
Dyna Wide Glide CVO/SE FXDWG2 2001
Dyna Wide Glide CVO/SE FXDWG3 2002
Dyna Wide Glide FXDWG/I 19992017
Electra Glide Classic FLHTC/I 19992013
Electra Glide CVO/SE FLHTCSE 2004
Electra Glide CVO/SE FLHTCSE2 2005
Electra Glide Standard FLHT/I 19992009
Electra Glide Ultra Classic FLHTCU/I 19992017
Electra Glide Ultra Classic Low FLHTCUL 2015, 2016
Electra Glide Ultra Limited CVO/SE FLHTKSE 2014
Electra Glide Ultra Limited FLHTK 20102017
Electra Glide Ultra Limited Low FLHTKL 2015, 2016, 2017
Freewheeler FLRT 2015, 2016, 2017
Road Glide Custom FLTRX 2010, 2011, 2012, 2013
Road Glide CVO/SE FLTRSE3 2009
Road Glide CVO/SE FLTRSEI 2009
Road Glide CVO/SE FLTRSEI2 2001
Road Glide CVO/SE FLTRXSE 2012, 2013
Road Glide FLTR/I 19992009
Road Glide FLTRX 2015, 2016, 2017
Road Glide Special FLTRXS 2015, 2016, 2017
Road Glide Ultra CVO/SE FLTRUSE 2011
Road Glide Ultra FLTRU 2011, 2012, 2013, 2016, 2017
Road King Classic FLHRC/I 19992013
Road King Custom FLHRS/I 19992012
Road King CVO/SE FLHRSE3 2007
Road King CVO/SE FLHRSE4 2008
Road King CVO/SE FLHRSE5 2013
Road King CVO/SE FLHRSEI 2002
Road King CVO/SE FLHRSEI2 2003
Road King FLHR/I 19992017
Road King Special FLHRXS 2017
Softail Blackline FXS 2011, 2012, 2013
Softail Breakout CVO/SE FXSBSE 2013, 2014
Softail Breakout FXSB 2013, 2014, 2015, 2016, 2017
Softail Convertible CVO/SE FLSTSE 2010
Softail Convertible CVO/SE FLSTSE2 2011
Softail Convertible CVO/SE FLSTSE3 2012
Softail Cross Bones FLSTSB 2008, 2009, 2010, 2011
Softail Custom FXSTC/I 2007, 2008, 2009, 2010
Softail Custom/Nostalgia/Special/Deluxe FLSTN/I 20052017
Softail Deluxe CVO/SE FLSTNSE 2014
Softail Deuce CVO/SE FXSTDSE 2003
Softail Deuce CVO/SE FXSTDSE2 2004
Softail Deuce FXSTD/I 20002007
Softail Fat Boy CVO/SE FLSTFSE 2005
Softail Fat Boy CVO/SE FLSTFSE2 2006
Softail Fat Boy FLSTF/I 20002017
Softail Fat Boy Lo FLSTFB 20092016
Softail Fat Boy S FLSTFBS 2016, 2017
Softail Heritage Classic FLSTC/I 20002017
Softail Heritage FLST/I 2006
Softail Heritage Springer FLSTS/I 2000, 2001, 2002, 2003
Softail Night Train FXSTB/I 20002009
Softail Pro Street Breakout CVO/SE FXSE 2016, 2017
Softail Rocker C FXCWC 2007, 2008, 2009, 2010, 2011
Softail Rocker FXCW 2008, 2009, 2010, 2011
Softail Slim FLS 20122017
Softail Slim S FLSS 2016, 2017
Softail Springer Classic FLSTSC/I 2005, 2006, 2007
Softail Springer CVO/SE FXSTSSE 2007
Softail Springer CVO/SE FXSTSSE2 2008
Softail Springer CVO/SE FXSTSSE3 2009
Softail Springer FXSTS/I 20002006
Softail Standard FXST/I 20002012
Street Glide CVO/SE FLHXSE 2010
Street Glide CVO/SE FLHXSE2 2011
Street Glide CVO/SE FLHXSE3 2012
Street Glide FLHX/I 20062017
Street Glide Special FLHXS 2014, 2015, 2016, 2017
Street Glide Trike FLHXXX 2010, 2011
Tri Glide Ultra Classic FLHTCUTG 20092017
Ultra Classic Electra Glide CVO/SE FLHTCUSE 2006
Ultra Classic Electra Glide CVO/SE FLHTCUSE2 2007
Ultra Classic Electra Glide CVO/SE FLHTCUSE3 2008
Ultra Classic Electra Glide CVO/SE FLHTCUSE4 2009
Ultra Classic Electra Glide CVO/SE FLHTCUSE5 2010
Ultra Classic Electra Glide CVO/SE FLHTCUSE6 2011
Ultra Classic Electra Glide CVO/SE FLHTCUSE7 2012
Ultra Classic Electra Glide CVO/SE FLHTCUSE8 2013
Product Style RevZilla Item # Manufacturer Product # Availability
Black 857419 KN-171B In Stock: Ships within 24 hours
Chrome 857686 KN-171C In Stock: Ships within 24 hours


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Write a Product Review for a chance to win our monthly $100 giveaways.
4.9 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
5.0 / 5
5.0 / 5
4.7 / 5
Ease Of Install
5.0 / 5
Fit & Finish
5.0 / 5
5.0 / 5
Bang For The Buck
5 / 5
5 / 5
5 / 5
Ease Of Install
5 / 5
Fit & Finish
5 / 5
5 / 5
Good oil filter
love this filter, then it makes it much easier to deal with than any other oil filter.
June 8, 2017
4 weeks ago
I have always trusted K&N filters.
I have been using these oil filters for years and I have complete confidence in K&N air and oil filters. I have 2 black motorcycles, so I figured I would stock up on black oil filters since RevZilla had a really good price on them. I will definitely continue to use these and will keep RevZilla as one of my bookmarks.
January 26, 2015
Bang For The Buck
5 / 5
Great product
After watching your online review of this filter it was very apparent the increase in quality over OEM type filters
June 15, 2015
2013 Harley Davidson Street Glide FLHX/I
Bang For The Buck
5 / 5
Quality product. Makes oil changes easy!
As anyone with a Harley knows, getting a tool on the filter to aid in removal can be almost impossible. K&N makes it easy by putting a 6-point bolt head on the end of their filters. All you need is a ratchet and the correct size socket.
June 29, 2015
2014 Harley Davidson Electra Glide Ultra Classic FLHTCU/I
Bang For The Buck
5 / 5
5 / 5
5 / 5
Ease Of Install
5 / 5
Fit & Finish
5 / 5
5 / 5
HD road glide
I purchased the K&N oil filter because I had decided to change my own oil and because of K&N's reputation.
Very Satisfied. My oil pressure reads just above where it did with the prior dealer installed factory filter. Gives me peace of mind the engine is getting its deserved lubrication. I enjoy being heavy on the throttle.
April 26, 2016
1 year ago
Bang For The Buck
5 / 5
Exactly "fit" my needs
Excellent quality and kudos to the design of this filter. When space is obviously a factor in the front of a Harley, let alone one with an oil cooler, this product makes removal and installation a snap!
August 31, 2015
2015 Harley Davidson Road Glide Special FLTRXS
there k& n,what more can you say
Oil filters are not to exciting and do the dirty work!
February 9, 2016
2006 Harley Davidson Softail Fat Boy FLSTF/I
Bang For The Buck
5 / 5
High quality oil filter
This is the first time I've used a KN oil filter and I'm very impressed with the quality. Totally worth the extra couple bucks and having the nut welded on at the end means I no longer need to mess around with crummy oil filter wrenches that never work well and get lost in the toolbox.
March 12, 2016
2005 Harley Davidson Dyna Super Glide FXD/I
Bang For The Buck
5 / 5
KN Oil Filter
I've never used anything but K&N oil filter in my HD's.
March 7, 2016
2009 Harley Davidson Electra Glide Ultra Classic FLHTCU/I
Bang For The Buck
5 / 5
5 / 5
4 / 5
Ease Of Install
5 / 5
Fit & Finish
5 / 5
5 / 5
Got the new filter and installation was done in a jiffy. It was taking off the old filter that was the problem now that I have this K&N filter, I won't have to find any special tools as I can remove the filter with a socket wrench. Extremely satisfied with my purchase.
March 27, 2017
3 months ago
Use our Product Q&A for a chance to win our monthly $100 giveaways.

Have a functionality, fit, or otherwise product-specific question about the K&N Oil Filter KN-171? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 18 questions Browse 18 questions and 48 answers
Why did you choose this?
RevZilla Store
Easy install without the OEM wrench
Michael D on Jun 7, 2017
Always use KN
Stanley P on Apr 6, 2017
Easy install without the OEM wrench
Michael D on Jun 7, 2017
I've used in the past.
O'Neal Jr W on Apr 27, 2017
Always use KN
Stanley P on Apr 6, 2017
Nice filter... way better than the snapchat filters
Patrick J on Apr 4, 2017
Great Filter, I use K&N Oil Filters and K&N Air Filters in all of my Vehicles.
Ryan T on Apr 1, 2017
Proven quality filter that can be installed with a socket wrench. The deciding factor was the video by Lemmy when he compared that filter to a standard motorcycle filter.
Maurice S on Mar 6, 2017
previously purchased experience
Stanislav D on Feb 28, 2017
I am a long time fan of K&N's products. I like the quick install/removal with the nut mounted to the filter.
Mark S on Feb 25, 2017
easy to remove, needed a solid oil filter that didn't require extra tools
knights on Feb 11, 2017
K&N's reputation and I like the removal and Install nut.
Mark S on Dec 8, 2016
because of the nut at the end of the filter .
Jerry G on Nov 4, 2016
R U on Oct 26, 2016
Good price
Paul B on Sep 8, 2016
Oil change
Joseph A on Jul 29, 2016
Need an oil change, love K&N
H O on Jul 9, 2016
ease of use/kn reputation
Gregory S on Jul 9, 2016
The bolt on the end makes it easier to install and remove,plus it's a k & n filter. Enough said.
James D on Jun 9, 2016
K&N are the best !!
Brian S on Jun 6, 2016
It's a filter. ?
defiled625 on May 14, 2016
I like that you don't have to have a special tool to install this filter, plus K&N is always quality.
Brandon F on May 3, 2016
Ease of install with outer nut, k&n is my go to for any filter.
Aaron E on Apr 18, 2016
I chose the K&N oil filter because it has a nut on the end that makes installation simple and they make good products.
Steven S on Apr 9, 2016
Brand Name associated with Quality and Performance
ROBERT B on Mar 10, 2016
Com'n its K&N why wouldn't you choose that.
Kevin H on Feb 24, 2016
because..... she needed a cup to drink from.
josh o on Jan 23, 2016
love k&n brand
Raul N on Sep 29, 2015
Need it
James W on Feb 21, 2014
I've used in the past.
O'Neal Jr W on Apr 27, 2017
Nice filter... way better than the snapchat filters
Patrick J on Apr 4, 2017
I need a 5 micron filter for my Low Rider S, is this compatible? Can the staff answer this?
kevin j on Jan 13, 2017
BEST ANSWER: Is should fit I have a 2015 wideglide 103 ci but should be compatible with your 110 ci.
My H-D FXDLS requires a 5 micron filter. Will this be compatible?
kevin j on Dec 22, 2016
BEST ANSWER: Yes ! on use it on my H-D