---
product_id: 3981525
title: "K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harley Davidson Motorcycles, KN-171B"
brand: "k&n"
price: "HK$225"
currency: HKD
in_stock: true
reviews_count: 8
category: "K&N"
url: https://www.desertcart.hk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-premium-designed
store_origin: HK
region: Hong Kong
---

# High flow rate for peak engine performance Wrench-off nut for effortless removal Synthetic-blend media traps harmful contaminants K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harley Davidson Motorcycles, KN-171B

**Brand:** k&n
**Price:** HK$225
**Availability:** ✅ In Stock

## Summary

> 🛵 Ride Clean, Ride Confident: The Ultimate Harley Oil Filter Upgrade

## Quick Answers

- **What is this?** K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harley Davidson Motorcycles, KN-171B by k&n
- **How much does it cost?** HK$225 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-premium-designed)

## Best For

- k&n enthusiasts

## Why This Product

- Trusted k&n brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Flow Efficiency:** Engineered for exceptional oil flow to maximize power and longevity
- • **Durable Heavy-Duty Canister:** Built tough to withstand harsh riding conditions and extended service intervals
- • **Versatile Oil Compatibility:** Seamlessly works with synthetic, conventional, and blended oils for ultimate flexibility
- • **Quick-Release Wrench-Off Nut:** Simplifies maintenance with fast, no-fuss filter changes using a standard socket
- • **Trusted Protection & Warranty:** Laboratory tested filtration backed by a 1-year limited warranty for peace of mind

## Overview

The K&N KN-171B Motorcycle Oil Filter is a premium, high-performance filter designed specifically for select Harley Davidson models. Featuring a synthetic-blend filtration media, it ensures superior contaminant removal while supporting high oil flow rates. Its heavy-duty steel/aluminum canister and integrated 17mm wrench-off nut enable durability and easy maintenance. Compatible with synthetic, conventional, and blended oils, this filter meets extended service intervals recommended by manufacturers and is backed by a 1-year limited warranty.

## Description

K&N premium oil filters for powersports vehicles utilize an innovative, highly efficient synthetic-blend filtration media designed to be compatible with synthetic, petroleum-based, and blended oils, including the high concentrations of synthetic racing oils. The heavy-duty canister is engineered to be exceptionally durable, and a 17mm welded hex nut can be used for quick and easy filter removal. Engineered to support exceptionally high flow rates while providing outstanding protection from harmful engine contaminants, each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.Compatible Vehicles:2018-2021 HARLEY DAVIDSON FLFBS Fat Boy2021 HARLEY DAVIDSON FLH Electra Glide Revival2018-2021 HARLEY DAVIDSON FLHC Heritage Classic2018-2021 HARLEY DAVIDSON FLHCS Heritage Classic1999-2021 HARLEY DAVIDSON FLHR Road King2017-2021 HARLEY DAVIDSON FLHRXS Road King Special1999-2021 HARLEY DAVIDSON FLHT Electra Glide Standard2014-2021 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra2021 HARLEY DAVIDSON FLHTCUTGSE CVO Tri Glide2015-2021 HARLEY DAVIDSON FLHTK Ultra Limited2014-2021 HARLEY DAVIDSON FLHTKSE CVO Limited2006-2021 HARLEY DAVIDSON FLHX Street Glide2014-2021 HARLEY DAVIDSON FLHXS Street Glide Special2010-2021 HARLEY DAVIDSON FLHXSE CVO Street Glide2015-2021 HARLEY DAVIDSON FLRT Freewheeler2018-2021 HARLEY DAVIDSON FLSB Sport Glide2018-2021 HARLEY DAVIDSON FLSL Softail Slim2021 HARLEY DAVIDSON FLTRK Road Glide Limited2015-2021 HARLEY DAVIDSON FLTRX Road Glide2016-2021 HARLEY DAVIDSON FLTRXS Road Glide Special2018-2021 HARLEY DAVIDSON FLTRXSE CVO Road Glide2021 HARLEY DAVIDSON FXBBS Street Bob2018-2021 HARLEY DAVIDSON FXBRS Breakout2018-2021 HARLEY DAVIDSON FXFBS Fat Bob2021 HARLEY DAVIDSON FXLRS Low Rider S2021 HARLEY DAVIDSON FXST Softail Standard 1072018-2020 HARLEY DAVIDSON FLDE Deluxe2018-2020 HARLEY DAVIDSON FLFB Fat Boy2009-2020 HARLEY DAVIDSON FLHP Road King Police2015-2020 HARLEY DAVIDSON FLHTKL Ultra Limited Low2018-2020 HARLEY DAVIDSON FXBB Street Bob2018-2020 HARLEY DAVIDSON FXFB Fat Bob2018-2020 HARLEY DAVIDSON FXLR Low Rider1999-2019 HARLEY DAVIDSON FLHRCI Road King Classic F/I2012-2019 HARLEY DAVIDSON FLHTCU Electra Glide Ultra Classic2009-2019 HARLEY DAVIDSON FLTRSE3 CVO Road Glide2011-2019 HARLEY DAVIDSON FLTRU Road Glide Ultra2018-2019 HARLEY DAVIDSON FXBR Breakout2019 HARLEY DAVIDSON FXDRS FXDR2013-2017 HARLEY DAVIDSON FLS Softail Slim2017 HARLEY DAVIDSON FLSS Softail Slim S2000-2017 HARLEY DAVIDSON FLSTC Heritage Softail Classic2000-2017 HARLEY DAVIDSON FLSTF Fat Boy2010-2017 HARLEY DAVIDSON FLSTFB Softail Fat Boy Lo2016-2017 HARLEY DAVIDSON FLSTFBS Fat Boy S2005-2017 HARLEY DAVIDSON FLSTN Softail Deluxe2007-2017 HARLEY DAVIDSON FXDB Street Bob2008-2017 HARLEY DAVIDSON FXDF Fat Bob1999-2017 HARLEY DAVIDSON FXDL Dyna Low Rider2014-2017 HARLEY DAVIDSON FXDL Low Rider2017 HARLEY DAVIDSON FXDLS Low Rider S1999-2017 HARLEY DAVIDSON FXDWG Dyna Wide Glide2013-2017 HARLEY DAVIDSON FXSB Breakout2017 HARLEY DAVIDSON FXSE CVO Pro Street Breakout2012-2016 HARLEY DAVIDSON FLD Switchback2016 HARLEY DAVIDSON FLD Switchback - Non-US2015-2016 HARLEY DAVIDSON FLHTCUL Electra Glide Ultra Classic Low2011-2016 HARLEY DAVIDSON FLTRUSE CVO Road Glide Ultra2016 HARLEY DAVIDSON FXDF Fat Bob - Non-US2016 HARLEY DAVIDSON FXDL Dyna Low Rider - Non-US2016 HARLEY DAVIDSON FXDWG Dyna Wide Glide - Non-US2015-2016 HARLEY DAVIDSON XL1200C Sportster Custom2015-2016 HARLEY DAVIDSON XL1200X Forty-Eight2014-2015 HARLEY DAVIDSON FLSTNSE CVO Softail Deluxe2014 HARLEY DAVIDSON FLHRSE6 CVO Road King2013-2014 HARLEY DAVIDSON FLHTCUSE8 CVO Ultra Classic Electra Glide F/I2010-2014 HARLEY DAVIDSON FLHTK Electra Glide Ultra Limited2010-2014 HARLEY DAVIDSON FLTRX Road Glide Custom2007-2014 HARLEY DAVIDSON FXDC Super Glide Custom2013-2014 HARLEY DAVIDSON FXSBSE CVO Breakout2007-2013 HARLEY DAVIDSON FLHRC Road King Classic2013 HARLEY DAVIDSON FLHRSE5 CVO Road King2002-2013 HARLEY DAVIDSON FLHTC Electra Glide Classic2007-2013 HARLEY DAVIDSON FLHTCU Ultra Classic Electra Glide2009-2013 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra Classic2007-2013 HARLEY DAVIDSON FLTR Road Glide2013 HARLEY DAVIDSON FLTRXSE2 CVO Road Glide Custom2012-2013 HARLEY DAVIDSON FXS Blackline2012 HARLEY DAVIDSON FLHTCUSE7 CVO Ultra Classic Electra Glide2012 HARLEY DAVIDSON FLHXSE3 CVO Street Glide2010-2012 HARLEY DAVIDSON FLSTSE CVO Softail Convertible2012 HARLEY DAVIDSON FLSTSE3 CVO Softail Convertible

Review: I run K&N in all my motorcycles - This is absolutely the best motorcycle oil filter out there. On a Harley, 5k miles between oil changes might be stretching it. Filters eventually get clogged even on engines that have no excessive wear problems. The more filter material the filter has the longer it will go before clogging. The ability to remove this filter with a standard socket is a nice plus.
Review: Great filter for my harley - Never an issue, easy on and off with no leaking

## Features

- HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
- PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
- EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
- EASY TO REMOVE: Fast and easy Wrench-Off removal
- HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
- NO-HASSLE WARRANTY: 1-Year Limited Warranty
- HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FGI6E6 |
| Best Sellers Rank | #2,215 in Automotive ( See Top 100 in Automotive ) #5 in Powersports Oil Filters |
| Brand | K&N |
| Brand Name | K&N |
| Compatible with Vehicle Type | Motorcycle |
| Customer Reviews | 4.8 out of 5 stars 6,042 Reviews |
| Global Trade Identification Number | 00024844087737 |
| Included Components | OIL FILTER; POWERSPORTS; CANISTER BLACK |
| Item Dimensions | 4 x 3 x 3 inches |
| Item Type Name | OIL FILTER; POWERSPORTS; CANISTER BLACK |
| Item Weight | 0.6 Pounds |
| Item dimensions L x W x H | 4 x 3 x 3 inches |
| Manufacturer | K&N Engineering |
| Manufacturer Part Number | KN-171B |
| Manufacturer Warranty Description | LIMITED WARRANTY |
| Material | Synthetic-Blend (Filter Media), Steel/Aluminum (Housing) |
| Material Type | Synthetic-Blend (Filter Media), Steel/Aluminum (Housing) |
| Outside Diameter | 2.91 Inches |
| Part Interchange Info | Fits Select Harley Davidson Motorcycles: Compatible with the listed Harley Davidson motorcycle models. No information provided about compatibility with other makes or models. |
| Product Grade | Performance Part |
| Thread Size | M17 x 1.5 |
| UPC | 759173941725 182683047043 024844087737 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Motorcycle |

## Product Details

- **Brand:** K&N
- **Item dimensions L x W x H:** 4 x 3 x 3 inches
- **Material:** Synthetic-Blend (Filter Media), Steel/Aluminum (Housing)
- **Product Grade:** Performance Part
- **Vehicle Service Type:** Motorcycle

## Images

![K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harley Davidson Motorcycles, KN-171B - Image 1](https://m.media-amazon.com/images/I/615VVLBFeZL.jpg)

## Questions & Answers

**Q: Amazon needs to fix the fact that this filter does in fact, fit a 2018 harley davidson fat bob fxfb... cuz i use it all the time.**
A: You can go the K&N webpage (link below) for this particular filter.  There is a fitment guide there.   According to that website this will fit a 2010 Fat Bob and several others.

**Q: does this filter a kn171b replace a 63798-99A**
A: The 63798-99A would cross-reference to the K&N KN-171B Oil Filter.

**Q: Can I use this filter on my 2019 fatboy 107?**
A: Not sure. A 2002 Lexus 300 SUV is the same filter as this I do know.

**Q: Will this work on a2016 wide glide 103 engine**
A: This fit the 103 Harley Twin I have. Ultimately, put your make and model into your garage in Amazon and it will let you know if it applies. I suspect it will fit all 103 engines.

## Customer Reviews

### ⭐⭐⭐⭐⭐ I run K&N in all my motorcycles
*by F***K on December 10, 2025*

This is absolutely the best motorcycle oil filter out there. On a Harley, 5k miles between oil changes might be stretching it. Filters eventually get clogged even on engines that have no excessive wear problems. The more filter material the filter has the longer it will go before clogging. The ability to remove this filter with a standard socket is a nice plus.

### ⭐⭐⭐⭐⭐ Great filter for my harley
*by J***. on November 15, 2025*

Never an issue, easy on and off with no leaking

### ⭐⭐⭐⭐⭐ Good quality, as always with K&N. Love the 'nut' end for removal.
*by K***S on December 13, 2025*

Been using K&N filters on multiple vehicles for years now, and always happy with 'em. I'll never buy another filter without the 'nut' end for removal.

## Frequently Bought Together

- K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harely Davidson Motorcycles, KN-171B
- Red Line 90226 20W50 Powersport Motor Oil V-Twin - 1 Powerpack Kit
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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-02*