---
product_id: 49490693
title: "Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B, black"
brand: "k&n"
price: "€ 26.46"
currency: EUR
in_stock: true
reviews_count: 13
category: "K&N"
url: https://www.desertcart.pt/products/49490693-motorcycle-oil-filter-high-performance-premium-designed-to-be-used
store_origin: PT
region: Portugal
---

# Easy wrench-off removal design High flow rate for engine efficiency Synthetic-blend filtration for superior protection Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B, black

**Brand:** k&n
**Price:** € 26.46
**Availability:** ✅ In Stock

## Summary

> 🛵 Ride Clean, Ride Confident: Premium Filtration for Your Harley

## Quick Answers

- **What is this?** Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B, black by k&n
- **How much does it cost?** € 26.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/49490693-motorcycle-oil-filter-high-performance-premium-designed-to-be-used)

## 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

- • **Built to Endure:** Heavy-duty steel canister and rolled threads deliver race-grade durability.
- • **Optimized Oil Flow:** High flow rates ensure consistent lubrication under all riding conditions.
- • **Effortless Maintenance:** Wrench-off nut design enables quick, hassle-free filter changes.
- • **Universal Oil Compatibility:** Seamlessly works with synthetic, conventional, and blended oils.
- • **Unmatched Engine Protection:** Synthetic-blend media traps harmful contaminants, extending engine life.

## Overview

The K&N KN-171B Motorcycle Oil Filter is a premium, high-performance filter engineered for select Harley Davidson motorcycles. Featuring a synthetic-blend filtration media, it delivers exceptional contaminant removal and consistent oil flow. Built with a heavy-duty steel canister and easy wrench-off nut, it ensures durability and effortless maintenance. Compatible with synthetic, conventional, and blended oils, this extensively lab-tested filter supports longer service intervals and protects your engine mile after mile.

## Description

From the manufacturer PROTECT YOUR ENGINE WITH A PREMIUM OIL FILTER Protect your engine with premium K&N oil filters designed to capture contaminants from your engine oil. K&N’s oil filters are engineered to the same rigorous quality standards as our world-famous air filters, and feature durable construction and high-flow filter media to help ensure outstanding oil filtration. Designed to provide consistent flow of oil to your engine, these filters are compatible with synthetic, conventional, and blended oils. EXTENSIVELY TESTED Each oil filtration design is laboratory tested for efficiency, capacity, and burst strength, and is protected. Durable construction and rolled threads help ensure long-life performance and solid filter mounting. HELPS PROTECT YOUR ENGINE Pleated synthetic-blend filtration media helps remove most harmful contaminants, and is designed to provide exceptional flow rates and a consistent flow of oil to your engine. HIGH CAPACITY DESIGN Engineered for high capacity in order to withstand the longer service intervals now recommended by many vehicle manufacturers. THE POWER OF DURABILITY, MILE AFTER MILE Durable, reliable, AND BUILT TO LAST A durable one-inch nut is welded to the top of the canister for easy removal using a standard wrench or socket. The nut is pre-drilled for safety wire attachment in racing or extreme conditions. A heavy-duty canister and base plate with double-rolled seal help provide outstanding durability and long-life performance.

Review: happy with product - item came as described came on due date
Review: Convenient design. - The nut on the end makes fitting and more importantly removal so much easier. Had a few of these and no complaints.

## Features

- HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
- PROTECT YOUR ENGINE: Synthetic-blend filtration media removes most harmful contaminants
- EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FGI6E6 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 46,994 in Automotive ( See Top 100 in Automotive ) 331 in Car Oil Filters |
| Brand | K&N |
| Brand Name | K&N |
| Compatible with Vehicle Type | Motorcycle |
| Country Of Origin | Slovakia |
| Customer Reviews | 4.8 out of 5 stars 6,032 Reviews |
| Global Trade Identification Number | 00024844087737 |
| Included Components | 1 Motorcycle Oil Filter |
| Item Dimensions | 10.2 x 7.6 x 7.6 centimetres |
| Item Type Name | Motorcycle Oil Filter |
| Item Weight | 272 g |
| Item dimensions L x W x H | 10.2 x 7.6 x 7.6 centimetres |
| Manufacturer | K&N |
| Manufacturer Part Number | KN-171B |
| Manufacturer Warranty Description | 3 Months |
| Material | Steel |
| Material Type | Steel |
| Model Number | KN-171B |
| Number of Items | 1 |
| OEM Equivalent Part Number | KN-171B |
| Outside Diameter | 2.91 Inches |
| Outside diameter | 2.91 Inches |
| Part Interchange Info | Direct OE replacement for Harley Davidson models listed in the 'Vehicle Fitment' section |
| Product Grade | Performance Part |
| Product grade | Performance Part |
| Thread Size | M20 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:** 10.2 x 7.6 x 7.6 centimetres
- **Material:** Steel
- **Product grade:** Performance Part
- **Vehicle service type:** Motorcycle

## Images

![Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B, black - 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

### ⭐⭐⭐⭐⭐ happy with product
*by M***E on 29 July 2025*

item came as described came on due date

### ⭐⭐⭐⭐⭐ Convenient design.
*by M***E on 16 June 2025*

The nut on the end makes fitting and more importantly removal so much easier. Had a few of these and no complaints.

### ⭐⭐⭐⭐⭐ So much easier to remove and replace
*by M***D on 26 June 2024*

Clever of K and N to put a nut on the end of the filter for easy removal. From now on this is the only filter I will use for my softail.

## 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
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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-19*