







🛵 Ride Clean, Ride Confident: The Ultimate Oil Filter Upgrade for Your Harley
The K&N KN-171B Motorcycle Oil Filter is a premium, high-performance filter designed specifically for select Harley Davidson motorcycles. Featuring a synthetic-blend filtration media, it effectively removes harmful contaminants while maintaining exceptional oil flow rates. Constructed with a heavy-duty steel canister and equipped with a convenient wrench-off nut, it ensures durability and easy maintenance. Compatible with synthetic, conventional, and blended oils, this filter is laboratory tested for capacity and burst strength, backed by a 1-year limited warranty.







| ASIN | B000FGI6E6 |
| Best Sellers Rank | 64,474 in Automotive ( See Top 100 in Automotive ) 409 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 5,806 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 |
| Item height | 3 inches |
| Manufacturer | K&N |
| Manufacturer Part Number | KN-171B |
| Manufacturer Warranty Description | 3 Months |
| Material | Steel |
| Material Type | Steel |
| 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 |
M**E
Convenient design.
The nut on the end makes fitting and more importantly removal so much easier. Had a few of these and no complaints.
M**E
happy with product
item came as described came on due date
M**D
So much easier to remove and replace
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.
M**M
Great filter
Right one for the job, fitted easily and works well. Delivery prompt and arrived in good condition..
R**S
Simply the best
What’s is a real bonus with the new K&N filters is the built in nut makes fitting and more importantly removing So much easier.
D**R
Direct Harley replacement.
K&N quality. The nut on the filter casing makes removal very easy on my Harley as the filter housing is very close to the crankcase.
T**6
Oil filter
K&N filter easy to use with servicing HD oil change.
T**S
Excellent
Excellent quality
Trustpilot
2 days ago
2 months ago