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K&N Oil Filter KN-171B for Harley Davidson & Buell, High Flow Synthetic-Bend Media
$17.99

K&N KN-171B Premium Oil Filter for Powersports Vehicles

When it comes to keeping your engine running smoothly, the K&N KN-171B oil filter is a top-tier choice for automotive enthusiasts who demand performance and reliability. This premium oil filter is engineered with a highly efficient synthetic-blend filtration media, making it compatible with synthetic, petroleum-based, and blended oils, including those high-performance synthetic racing oils. Whether you're cruising on your Harley or tearing up the track on your Buell, this filter ensures your engine stays clean and protected from harmful contaminants.

Key Features

  • **Anti Drain Back Valve**: Yes, prevents dry starts.
  • **Bypass Valve**: Yes, ensures oil flow during cold starts.
  • **Filter Material**: High Flow Premium Media for superior filtration.
  • **Finish**: Black, sleek design that fits right in.
  • **Gasket Material**: Nitrile Rubber for a secure seal.
  • **Height**: 3.703 in (94 mm)
  • **Outside Diameter**: 2.906 in (74 mm)
  • **Removal Nut Size**: 17 mm for easy installation and removal.
  • **Style**: Spin-On for straightforward application.
  • **Thread Specification**: 3/4 In. 16 UNF, compatible with various models.
  • **Warranty**: 1 Year Limited, giving you peace of mind.
  • **Weight**: 0.8 lb (0.4 kg)

Fitment

The K&N KN-171B is designed to fit a wide range of models, ensuring that your ride is always at its best:

  • Buell S2 Thunderbolt (1995-1996)
  • Buell S1 Lightning (1996-1998)
  • Buell M2 Cyclone (1997-2002)
  • Harley Davidson FLHR Road King (1999-2021)
  • Harley Davidson FLHT Electra Glide Standard (1999-2021)
  • Harley Davidson FXD Dyna Super Glide (1999-2009)
  • Harley Davidson FLSTF Fat Boy (2000-2017)
  • Harley Davidson FLHX Street Glide (2006-2021)
  • ...and many more!

Real-World Performance

Many riders have shared their experiences with the K&N KN-171B. For example, a 2018 Harley Davidson FLHR owner noted, "Switching to the K&N filter made a noticeable difference in oil pressure and engine response. Plus, the 17mm nut made changing it a breeze!" Another Buell M2 Cyclone rider mentioned, "This filter fits perfectly and has handled my synthetic oil like a champ. I trust K&N for all my bikes."

Make the smart choice for your engine's health and performance with the K&N KN-171B oil filter. It's built to withstand the rigors of high-performance riding while ensuring your engine stays clean and efficient. Upgrade today and experience the difference!

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1997-2002
Buell M2 Cyclone
1996-1998
Buell S1 Lightning
1995-1996
Buell S2 Thunderbolt
1997-2002
Buell S3 Thunderbolt
1999-2002
Buell X-1 Lightning
2012-2016
Harley Davidson FLD Switchback
2018-2020
Harley Davidson FLDE Deluxe 107
2018-2019
Harley Davidson FLFB Fat Boy 107
2018-2020
Harley Davidson FLFBS Fat Boy 114
2018-2020
Harley Davidson FLHC Heritage Classic 107
2018-2020
Harley Davidson FLHCS Heritage Classic 114
1999-2021
Harley Davidson FLHR Road King
1996, 2000-2006
Harley Davidson FLHRI Road King
2004-2007
Harley Davidson FLHRS Road King Custom
2007
Harley Davidson FLHRSE3 Screamin Eagle Road King
2008
Harley Davidson FLHRSE4 Screamin Eagle Road King
2013
Harley Davidson FLHRSE5 CVO Road King
2014
Harley Davidson FLHRSE6 CVO Road King
2004-2006
Harley Davidson FLHRSI Road King Custom
2017-2021
Harley Davidson FLHRXS Road King Special
1999-2009, 2020-2021
Harley Davidson FLHT Electra Glide Standard
2004
Harley Davidson FLHTCSE Screamin Eagle Electra Glide
2005
Harley Davidson FLHTCSE2 Screamin Eagle Electra Glide 2
2007-2019
Harley Davidson FLHTCU Electra Glide Ultra
2015-2016
Harley Davidson FLHTCUL Electra Glide Ultra Low
2009-2021
Harley Davidson FLHTCUTG Tri Glide Ultra
2021
Harley Davidson FLHTCUTGSE CVO Tri Glide
2003-2006
Harley Davidson FLHTI Electra Glide Standard
2010-2014
Harley Davidson FLHTK Electra Glide Ultra Limited
2015-2020
Harley Davidson FLHTK Ultra Limited
2015-2020
Harley Davidson FLHTKL Ultra Limited Low
2014-2021
Harley Davidson FLHTKSE CVO Limited
2006-2021
Harley Davidson FLHX Street Glide
2006
Harley Davidson FLHXI Street Glide
2014-2021
Harley Davidson FLHXS Street Glide Special
2010-2012, 2015-2021
Harley Davidson FLHXSE CVO Street Glide
2011
Harley Davidson FLHXSE2 CVO Street Glide
2012
Harley Davidson FLHXSE3 CVO Street Glide
2010-2011
Harley Davidson FLHXXX Street Glide Trike
2015-2021
Harley Davidson FLRT Freewheeler
2013-2017
Harley Davidson FLS Softail Slim
2018-2020
Harley Davidson FLSB Sport Glide 107
2018-2019
Harley Davidson FLSL Softail Slim 107
2017
Harley Davidson FLSS Softail Slim S
2006
Harley Davidson FLST Heritage Softail
2000-2017
Harley Davidson FLSTF Fat Boy
2010-2016
Harley Davidson FLSTFB Fat Boy Lo
2016-2017
Harley Davidson FLSTFBS Fat Boy Lo S
2001-2006
Harley Davidson FLSTFI Fat Boy
2005
Harley Davidson FLSTFSE Screamin Eagle Fat Boy
2006
Harley Davidson FLSTI Heritage Softail
2005-2017
Harley Davidson FLSTN Softail Deluxe
2005-2006
Harley Davidson FLSTNI Softail Deluxe
2014-2015
Harley Davidson FLSTNSE CVO Softail Deluxe
2000-2003
Harley Davidson FLSTS Heritage Springer
2009-2011
Harley Davidson FLSTSB Cross Bones
2010
Harley Davidson FLSTSE CVO Softail Convertible
2011
Harley Davidson FLSTSE2 CVO Softail Convertible
2012
Harley Davidson FLSTSE3 CVO Softail Convertible
2001-2003
Harley Davidson FLSTSI Heritage Springer
2007-2009, 2011, 2013
Harley Davidson FLTR Road Glide
1999-2006
Harley Davidson FLTRI Road Glide
2021
Harley Davidson FLTRK Road Glide Limited
2009
Harley Davidson FLTRSE3 CVO Road Glide
2011-2013, 2015-2019
Harley Davidson FLTRU Road Glide Ultra
2011, 2015-2016
Harley Davidson FLTRUSE CVO Road Glide Ultra
2015-2021
Harley Davidson FLTRX Road Glide
2010-2013
Harley Davidson FLTRX Road Glide Custom
2016-2021
Harley Davidson FLTRXS Road Glide Special
2018-2021
Harley Davidson FLTRXSE CVO Road Glide
2012
Harley Davidson FLTRXSE CVO Road Glide Custom
2013
Harley Davidson FLTRXSE2 CVO Road Glide Custom
2018-2020
Harley Davidson FXBB Street Bob 107
2018-2019
Harley Davidson FXBR Breakout 107
2018-2020
Harley Davidson FXBRS Breakout 114
2009
Harley Davidson FXCW Rocker
2009-2011
Harley Davidson FXCWC Rocker C
1999-2003, 2007-2009
Harley Davidson FXD Dyna Super Glide
2007-2017
Harley Davidson FXDB Street Bob
2006
Harley Davidson FXDBI Street Bob
2007-2014
Harley Davidson FXDC Super Glide Custom
2005-2006
Harley Davidson FXDCI Super Glide Custom
2008-2017
Harley Davidson FXDF Fat Bob
2009
Harley Davidson FXDFSE CVO Dyna Fat Bob
2010
Harley Davidson FXDFSE2 CVO Dyna Fat Bob
2004-2006
Harley Davidson FXDI Dyna Super Glide
2006
Harley Davidson FXDI35 Dyna 35th Anniversary Super Glide
1999-2005, 2007-2009, 2014-2017
Harley Davidson FXDL Dyna Low Rider
2014-2017
Harley Davidson FXDL Low Rider
2004-2006
Harley Davidson FXDLI Dyna Low Rider
2017
Harley Davidson FXDLS Low Rider S
2019
Harley Davidson FXDRS FXDR 114
2007
Harley Davidson FXDSE Screamin Eagle Dyna
2008
Harley Davidson FXDSE2 Screamin Eagle Dyna
1999-2008, 2010-2017
Harley Davidson FXDWG Dyna Wide Glide
2004-2006
Harley Davidson FXDWGI Dyna Wide Glide
2001-2003
Harley Davidson FXDXT Dyna Super Glide T-Sport
2018-2019
Harley Davidson FXFB Fat Bob 107
2018-2020
Harley Davidson FXFBS Fat Bob 114
2018-2020
Harley Davidson FXLR Low Rider 107
2012-2013
Harley Davidson FXS Blackline
2013-2017
Harley Davidson FXSB Breakout
2013-2014
Harley Davidson FXSBSE CVO Breakout
2000-2007
Harley Davidson FXST Softail Standard
2000-2009
Harley Davidson FXSTB Night Train
2001-2006
Harley Davidson FXSTBI Night Train
2007-2010
Harley Davidson FXSTC Softail Custom
2000-2007
Harley Davidson FXSTD Softail Deuce
2001-2006
Harley Davidson FXSTDI Softail Deuce
2003
Harley Davidson FXSTDSE Screamin Eagle Softail Deuce
2004
Harley Davidson FXSTDSE2 Screamin Eagle Softail Deuce 2
2000-2006
Harley Davidson FXSTS Springer Softail
2003-2006
Harley Davidson FXSTSI Springer Softail
2007
Harley Davidson FXSTSSE Screamin Eagle Softail Springer
2008
Harley Davidson FXSTSSE2 Screamin Eagle Softail Springer
2015-2016
Harley Davidson XL1200X Forty-Eight

K&N Logo

Who is Behind K&N Intakes?

K&N, formally known as K&N Engineering, Inc., is the world’s leading manufacturer of washable performance air filters and cold air intake systems. K&N manufactures over 12,000 parts for a wide range of makes and models of motorcycles, cars, SUV, trucks, industrial applications, and more. K&N was founded in 1969 and is headquartered in Riverside, California in a complex of 10 buildings compromising approximately 400,000 square feet. K&N also operates facilities in China, England, and the Netherlands.

In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N) developed a revolutionary idea for an air filter—one that could perform under the demands of dusty, dirty off-road environments. After experimenting with different types of filter media, they discovered that an oiled cotton design allowed the filter to capture contaminants efficiently, and also be washed and reused. It was right then and there that the original K&N High-Flow Air Filter was born. Fifty years later, K&N is still dominating the industry with leading filtration technology and innovative products that offer extraordinary protection for virtually every application out there.

What Makes K&N the Best?

All K&N products undergo rigorous testing to make sure they adhere to and exceed demanding quality standards. These tests include power, torque, and airflow tests to confirm that the intake products are maximizing power boost while retaining engine safety. The company stands behind its product 100 percent with some of the most extensive warranties in the business – a Million Mile Limited warranty. K&N’s performance air intake systems are designed to improve airflow to the engine by replacing the restrictive factory system with a single aerodynamic tube and highly efficient filter media. The systems are available in two materials. The first is Polyethylene, which is used to produce 57 and 63 series intake systems. The second one is aluminum, which can be found on the 69 and 77 series intake systems.

Advantages of K&N Intakes

The benefits of adding a K&N intake system to your car are plenty. Firstly, it will increase your vehicle’s horsepower and torque, while also improving fuel economy and the appearance of your engine bay. What’s more, it will deliver a satisfying, more aggressive exhaust note at higher RPMs. Each K&N intake includes an oversized filtering unit, which can go up to 100,000 miles between cleanings, unlike paper filters that can become clogged easily and cannot be washed or reused. In other words, with K&N products, you will never have to replace your air filter again.

Why Install an Aftermarket Intake?

Internal combustion engines all work as large air pumps. Air goes in, fuel is added, combustion occurs, and air goes out. This means there are two ways of increasing power: getting more air into the engine or making it easier for air to get out of the engine. Your air intake is responsible for filtering air before it enters your engine. Dirty air can damage the engine cylinder walls, so a high-quality filter is a must-have item. With a K&N system or filter, you increase airflow through the filter, which means more air is pulled into the engine. K&N does this without reducing filtration qualities, so your engine will live a long life.

Purchase K&N Intakes at Vivid Racing

Vivid Racing carries an extensive inventory of K&N products ranging from air filters, oil filters, air injection systems, fuel filters and pumps, sensors, carburetors, cold air intakes, and much, much more! If you cannot find a particular item above, please call us at (480) 966-3040 and we will help you find it. We are also here to answer any product questions, regarding usage, benefits, and fitment. Don’t delay! Improve your vehicle’s performance today with K&N Intakes.   

K&N Oil Filters | K&N Replacement Filters | K&N 57 Series Intakes | K&N 69 Series Typhoon Intakes
K&N 77 Series Intakes

K&N 10-YEAR/ MILLION MILE LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N OE Replacement Air Filter and Intake System (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use, or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for 10-Years or a Million Miles, whichever comes first, from the date the product was purchased. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

K&N 3-YEAR/ 300,000 MILE LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N Commercial Grade Diesel Air Filter (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use, or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for 3-Year or 300,000 miles, whichever comes first, from the date the product was purchased. Coverage applies only to the original purchaser of the Product and is non-transferable. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

K&N ONE YEAR LIMITED WARRANTY
This warranty covers defects in materials and workmanship of your K&N Oil Filter, Automotive Accessory, Universal, Special or Disposable Filter, Exhaust Systems (the "Product"), with the exceptions stated below.
This warranty does not cover damage due to (a) transportation, (b) storage, (c) improper use, (d) failure to follow the Product instructions or to perform any preventive maintenance, (e) modifications, (f) unauthorized repair, (g) normal wear and tear, (h) any type of racing or competition, (i) any off-road use or (j) external causes such as accidents, abuse, or other actions or events beyond our reasonable control (e.g., acts of God and natural disasters).
This warranty lasts for One Year from the date of purchase. Coverage applies only to the original purchaser of the Product and is non-transferable. The warranty period will not be extended if we repair or replace the Product.
We will repair any Product that proves to be defective in materials or workmanship. If repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection.

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