K&N Engineering

K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)

K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
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K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)
K&N Engineering

K&N KN-171B Black Oil Filter — Fits Harley Davidson & Buell Motorcycles (3in OD x 4.063in H)

SKU: KNNKN-171B
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N KN-171B Black Oil Filter for Harley Davidson & Buell Motorcycles

Ensure peak engine performance and longevity for your Harley Davidson or Buell motorcycle with the K&N KN-171B Black Oil Filter. Engineered with an innovative, highly efficient synthetic-blend filtration media, this filter is compatible with all oil types—synthetic, petroleum-based, and blended—including high concentrations of synthetic racing oils. Its robust design provides outstanding protection against harmful engine contaminants, maintaining optimal oil cleanliness.

Advanced Filtration for Powersports Engines

The K&N KN-171B features a heavy-duty canister built for exceptional durability, capable of withstanding the rigors of high-performance motorcycle engines. A convenient 17mm welded hex nut on the end cap allows for quick and easy filter removal, simplifying maintenance. Designed to support exceptionally high flow rates, this oil filter ensures your engine receives a consistent supply of clean oil, even under demanding conditions. It's built to meet or exceed vehicle manufacturer service intervals and is backed by K&N's 1-Year Limited Warranty.

  • High-flow synthetic-blend filtration media
  • Compatible with all oil types (synthetic, petroleum, blended)
  • Heavy-duty canister for enhanced durability
  • 17mm welded hex nut for easy removal
  • Provides outstanding engine protection
  • Designed for Harley Davidson and Buell motorcycles

Trust GGCRACING.COM for your K&N oil filter needs and keep your ride running strong.

Vehicle Fitment

Years Make Model Trim
1997-2002 Buell M2 Cyclone Base
2002 Buell M2L Cyclone Base
1996-1998 Buell S1 Lightning Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1997-2001 Buell S3 Thunderbolt Base
1997-2002 Buell S3T Thunderbolt Base
1999-2002 Buell X1 Lightning Base
2002 Buell X1W White Lightning Base
2012-2016 Harley-Davidson FLD Switchback Base
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2020 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2023 Harley-Davidson FLHCS Heritage Classic 114 Base
1999-2022 Harley-Davidson FLHR Road King Base
2007-2019 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
1996 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2007 Harley-Davidson FLHRSE3 Screamin Eagle Road King Base
2008 Harley-Davidson FLHRSE4 Screamin Eagle Road King Base
2013 Harley-Davidson FLHRSE5 CVO Road King Base
2014 Harley-Davidson FLHRSE6 CVO Road King Base
2004-2006 Harley-Davidson FLHRSI Road King Custom Base
2017-2023 Harley-Davidson FLHRXS Road King Special Base
1999-2009 Harley-Davidson FLHT Electra Glide Standard Base
2020-2022 Harley-Davidson FLHT Electra Glide Standard Base
2002-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
2000 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2004 Harley-Davidson FLHTCSE Screamin Eagle Electra Glide Base
2005 Harley-Davidson FLHTCSE2 Screamin Eagle Electra Glide 2 Base
2007-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2015-2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low Base
2007 Harley-Davidson FLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide Base
2008 Harley-Davidson FLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide Base
2009 Harley-Davidson FLHTCUSE4 CVO Ultra Classic Electra Glide Base
2010 Harley-Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide Base
2011 Harley-Davidson FLHTCUSE6 CVO Ultra Classic Electra Glide Base
2012 Harley-Davidson FLHTCUSE7 CVO Ultra Classic Electra Glide Base
2013 Harley-Davidson FLHTCUSE8 CVO Ultra Classic Electra Glide Base
2014-2023 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2021-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2010-2014 Harley-Davidson FLHTK Electra Glide Ultra Limited Base
2015-2023 Harley-Davidson FLHTK Ultra Limited Base
2015-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2021 Harley-Davidson FLHTKSE CVO Limited Base
2006-2023 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLHXI Street Glide Base
2014-2023 Harley-Davidson FLHXS Street Glide Special Base
2010-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2011 Harley-Davidson FLHXSE2 CVO Street Glide Base

…and 107 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N KN-171B Black Oil Filter for Harley Davidson & Buell Motorcycles

Ensure peak engine performance and longevity for your Harley Davidson or Buell motorcycle with the K&N KN-171B Black Oil Filter. Engineered with an innovative, highly efficient synthetic-blend filtration media, this filter is compatible with all oil types—synthetic, petroleum-based, and blended—including high concentrations of synthetic racing oils. Its robust design provides outstanding protection against harmful engine contaminants, maintaining optimal oil cleanliness.

Advanced Filtration for Powersports Engines

The K&N KN-171B features a heavy-duty canister built for exceptional durability, capable of withstanding the rigors of high-performance motorcycle engines. A convenient 17mm welded hex nut on the end cap allows for quick and easy filter removal, simplifying maintenance. Designed to support exceptionally high flow rates, this oil filter ensures your engine receives a consistent supply of clean oil, even under demanding conditions. It's built to meet or exceed vehicle manufacturer service intervals and is backed by K&N's 1-Year Limited Warranty.

  • High-flow synthetic-blend filtration media
  • Compatible with all oil types (synthetic, petroleum, blended)
  • Heavy-duty canister for enhanced durability
  • 17mm welded hex nut for easy removal
  • Provides outstanding engine protection
  • Designed for Harley Davidson and Buell motorcycles

Trust GGCRACING.COM for your K&N oil filter needs and keep your ride running strong.

Vehicle Fitment

Years Make Model Trim
1997-2002 Buell M2 Cyclone Base
2002 Buell M2L Cyclone Base
1996-1998 Buell S1 Lightning Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1997-2001 Buell S3 Thunderbolt Base
1997-2002 Buell S3T Thunderbolt Base
1999-2002 Buell X1 Lightning Base
2002 Buell X1W White Lightning Base
2012-2016 Harley-Davidson FLD Switchback Base
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2020 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2023 Harley-Davidson FLHCS Heritage Classic 114 Base
1999-2022 Harley-Davidson FLHR Road King Base
2007-2019 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
1996 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2007 Harley-Davidson FLHRSE3 Screamin Eagle Road King Base
2008 Harley-Davidson FLHRSE4 Screamin Eagle Road King Base
2013 Harley-Davidson FLHRSE5 CVO Road King Base
2014 Harley-Davidson FLHRSE6 CVO Road King Base
2004-2006 Harley-Davidson FLHRSI Road King Custom Base
2017-2023 Harley-Davidson FLHRXS Road King Special Base
1999-2009 Harley-Davidson FLHT Electra Glide Standard Base
2020-2022 Harley-Davidson FLHT Electra Glide Standard Base
2002-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
2000 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2004 Harley-Davidson FLHTCSE Screamin Eagle Electra Glide Base
2005 Harley-Davidson FLHTCSE2 Screamin Eagle Electra Glide 2 Base
2007-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2015-2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low Base
2007 Harley-Davidson FLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide Base
2008 Harley-Davidson FLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide Base
2009 Harley-Davidson FLHTCUSE4 CVO Ultra Classic Electra Glide Base
2010 Harley-Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide Base
2011 Harley-Davidson FLHTCUSE6 CVO Ultra Classic Electra Glide Base
2012 Harley-Davidson FLHTCUSE7 CVO Ultra Classic Electra Glide Base
2013 Harley-Davidson FLHTCUSE8 CVO Ultra Classic Electra Glide Base
2014-2023 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2021-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2010-2014 Harley-Davidson FLHTK Electra Glide Ultra Limited Base
2015-2023 Harley-Davidson FLHTK Ultra Limited Base
2015-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2021 Harley-Davidson FLHTKSE CVO Limited Base
2006-2023 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLHXI Street Glide Base
2014-2023 Harley-Davidson FLHXS Street Glide Special Base
2010-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2011 Harley-Davidson FLHXSE2 CVO Street Glide Base

…and 107 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N KN-171B Black Oil Filter for Harley Davidson & Buell Motorcycles

Ensure peak engine performance and longevity for your Harley Davidson or Buell motorcycle with the K&N KN-171B Black Oil Filter. Engineered with an innovative, highly efficient synthetic-blend filtration media, this filter is compatible with all oil types—synthetic, petroleum-based, and blended—including high concentrations of synthetic racing oils. Its robust design provides outstanding protection against harmful engine contaminants, maintaining optimal oil cleanliness.

Advanced Filtration for Powersports Engines

The K&N KN-171B features a heavy-duty canister built for exceptional durability, capable of withstanding the rigors of high-performance motorcycle engines. A convenient 17mm welded hex nut on the end cap allows for quick and easy filter removal, simplifying maintenance. Designed to support exceptionally high flow rates, this oil filter ensures your engine receives a consistent supply of clean oil, even under demanding conditions. It's built to meet or exceed vehicle manufacturer service intervals and is backed by K&N's 1-Year Limited Warranty.

  • High-flow synthetic-blend filtration media
  • Compatible with all oil types (synthetic, petroleum, blended)
  • Heavy-duty canister for enhanced durability
  • 17mm welded hex nut for easy removal
  • Provides outstanding engine protection
  • Designed for Harley Davidson and Buell motorcycles

Trust GGCRACING.COM for your K&N oil filter needs and keep your ride running strong.

Vehicle Fitment

Years Make Model Trim
1997-2002 Buell M2 Cyclone Base
2002 Buell M2L Cyclone Base
1996-1998 Buell S1 Lightning Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1997-2001 Buell S3 Thunderbolt Base
1997-2002 Buell S3T Thunderbolt Base
1999-2002 Buell X1 Lightning Base
2002 Buell X1W White Lightning Base
2012-2016 Harley-Davidson FLD Switchback Base
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2020 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2023 Harley-Davidson FLHCS Heritage Classic 114 Base
1999-2022 Harley-Davidson FLHR Road King Base
2007-2019 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
1996 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2007 Harley-Davidson FLHRSE3 Screamin Eagle Road King Base
2008 Harley-Davidson FLHRSE4 Screamin Eagle Road King Base
2013 Harley-Davidson FLHRSE5 CVO Road King Base
2014 Harley-Davidson FLHRSE6 CVO Road King Base
2004-2006 Harley-Davidson FLHRSI Road King Custom Base
2017-2023 Harley-Davidson FLHRXS Road King Special Base
1999-2009 Harley-Davidson FLHT Electra Glide Standard Base
2020-2022 Harley-Davidson FLHT Electra Glide Standard Base
2002-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
2000 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2003-2004 Harley-Davidson FLHTCSE Screamin Eagle Electra Glide Base
2005 Harley-Davidson FLHTCSE2 Screamin Eagle Electra Glide 2 Base
2007-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2015-2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low Base
2007 Harley-Davidson FLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide Base
2008 Harley-Davidson FLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide Base
2009 Harley-Davidson FLHTCUSE4 CVO Ultra Classic Electra Glide Base
2010 Harley-Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide Base
2011 Harley-Davidson FLHTCUSE6 CVO Ultra Classic Electra Glide Base
2012 Harley-Davidson FLHTCUSE7 CVO Ultra Classic Electra Glide Base
2013 Harley-Davidson FLHTCUSE8 CVO Ultra Classic Electra Glide Base
2014-2023 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2021-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2010-2014 Harley-Davidson FLHTK Electra Glide Ultra Limited Base
2015-2023 Harley-Davidson FLHTK Ultra Limited Base
2015-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2021 Harley-Davidson FLHTKSE CVO Limited Base
2006-2023 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLHXI Street Glide Base
2014-2023 Harley-Davidson FLHXS Street Glide Special Base
2010-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2011 Harley-Davidson FLHXSE2 CVO Street Glide Base

…and 107 additional fitments. Contact us to confirm yours.

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