--- product_id: 3981525 title: "K&N Motorcycle Oil Filter: High Performance, Wrench Off Nut, KN-171B" brand: "k&n" price: "€ 35.41" currency: EUR in_stock: true category: "K&N" url: https://www.desertcart.sk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-wrench-off store_origin: SK region: Slovakia --- # Integrated wrench-off nut for quick changes High-efficiency synthetic filter media 20,000 miles long-life protection K&N Motorcycle Oil Filter: High Performance, Wrench Off Nut, KN-171B **Brand:** k&n **Price:** € 35.41 **Availability:** ✅ In Stock ## Summary > 🛠️ Ride Hard, Filter Smart: The Ultimate Oil Filter Upgrade for Harley Enthusiasts ## Quick Answers - **What is this?** K&N Motorcycle Oil Filter: High Performance, Wrench Off Nut, KN-171B by k&n - **How much does it cost?** € 35.41 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-wrench-off) ## 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 - • **Effortless Maintenance:** Built-in wrench-off nut slashes oil change time—because your ride deserves speed and ease. - • **Tailored Fit for Harley:** Direct factory replacement designed specifically for 1999-2024 Harley Davidson models—no guesswork, just perfect fit. - • **Unmatched Engine Defense:** Up to 20,000 miles of premium protection keeps your Harley roaring longer. - • **Precision Filtration Tech:** Advanced synthetic media with uniform pleats ensures max oil flow and superior engine performance. - • **Tested for Peak Performance:** Lab-verified burst strength and capacity guarantee reliability under the toughest rides. ## Overview The K&N KN-171B Motorcycle Oil Filter delivers up to 20,000 miles of engine protection using premium synthetic filter media engineered for high oil flow and durability. Designed as a direct factory replacement for select 1999-2024 Harley Davidson motorcycles, it features a built-in wrench-off nut for fast, hassle-free oil changes. Laboratory tested for burst strength and filtration efficiency, this performance-grade filter ensures your engine runs cleaner and longer under demanding conditions. ## Description The K&N Performance Oil Filter for Powersports is engineered to provide increased engine protection and high oil flow for long-lasting performance. Built with premium synthetic filter media and heavy-duty construction, it delivers up to 20,000 miles of protection while standing up to the demands of riding. An integrated welded nut makes oil changes quick and easy.Compatible Vehicles:2018-2024 HARLEY DAVIDSON FLFBS Fat Boy 1142018-2024 HARLEY DAVIDSON FLHCS Heritage Classic 1142009-2024 HARLEY DAVIDSON FLHP Road King Police2017-2024 HARLEY DAVIDSON FLHRXS Road King Special2014-2024 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra2015-2024 HARLEY DAVIDSON FLHTK Ultra Limited2009-2024 HARLEY DAVIDSON FLHTP Electra Glide Police2006-2024 HARLEY DAVIDSON FLHX Street Glide2010-2024 HARLEY DAVIDSON FLHXSE CVO Street Glide2024 HARLEY DAVIDSON FLI Hydra-Glide Revival2015-2024 HARLEY DAVIDSON FLRT Freewheeler2018-2024 HARLEY DAVIDSON FLSB Sport Glide2021-2024 HARLEY DAVIDSON FLTRK Road Glide Limited2023-2024 HARLEY DAVIDSON FLTRT Road Glide 32015-2024 HARLEY DAVIDSON FLTRX Road Glide2018-2024 HARLEY DAVIDSON FLTRXSE CVO Road Glide2024 HARLEY DAVIDSON FLTRXSTSE CVO Road Glide ST2021-2024 HARLEY DAVIDSON FXBBS Street Bob 1142023-2024 HARLEY DAVIDSON FXBR Breakout 1172018-2024 HARLEY DAVIDSON FXFBS Fat Bob 1142022-2024 HARLEY DAVIDSON FXLRS Low Rider S 1172022-2024 HARLEY DAVIDSON FXLRST Low Rider ST 1172021-2024 HARLEY DAVIDSON FXST Softail Standard 1072023 HARLEY DAVIDSON FLFBSANV Fat Boy Anniversary 1142023 HARLEY DAVIDSON FLHCSANV Heritage Classic Anniversary 1142023 HARLEY DAVIDSON FLHFB Electra Glide Highway King2023 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra Anniversary2023 HARLEY DAVIDSON FLHTKANV Ultra Limited Anniversary2014-2023 HARLEY DAVIDSON FLHXS Street Glide Special2023 HARLEY DAVIDSON FLHXSANV Street Glide Special Anniversary2022-2023 HARLEY DAVIDSON FLHXST Street Glide ST2022-2023 HARLEY DAVIDSON FLTRKSE CVO Road Glide Limited2023 HARLEY DAVIDSON FLTRKSEANV CVO Road Glide Limited Anniversary2016-2023 HARLEY DAVIDSON FLTRXS Road Glide Special2023 HARLEY DAVIDSON FLTRXSANV Road Glide Special Anniversary2022-2023 HARLEY DAVIDSON FLTRXST Road Glide ST1999-2022 HARLEY DAVIDSON FLHR Road King1999-2022 HARLEY DAVIDSON FLHT Electra Glide Standard2009-2022 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra Classic2022 HARLEY DAVIDSON FLHTCUTG Tri Glide Ultra GI2021-2022 HARLEY DAVIDSON HARLEY DAVIDSON ## Features - LONG-LIFE PROTECTION: Engineered for up to 20,000 miles of protection and compatible with premium synthetic, conventional, and blended oil types. - OUTSTANDING FILTRATION: Premium synthetic, high efficiency media with uniform pleats delivers exceptional filtration while maintaining high oil flow rates for better engine performance. - EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength. - DIRECT FACOTRY REPLACEMENT: Made to be application specific (where applicable) & designed for easy installation. - PERFORMANCE ENGINEERED DESIGN: Includes a part number-specific bypass/pressure relief valve and is optimized for use with high-end synthetic motor oils. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000FGI6E6 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #1,650 in Automotive ( See Top 100 in Automotive ) #2 in Powersports Oil Filters | | Brand | K&N | | Brand Name | K&N | | Compatible with Vehicle Type | Motorcycle | | Customer Reviews | 4.8 out of 5 stars 6,399 Reviews | | Global Trade Identification Number | 00024844087737 | | Included Components | OIL FILTER; POWERSPORTS; CANISTER BLACK | | Item Dimensions | 4 x 3 x 3 inches | | Item Highlight | Fits Select 1999-2024 HARLEY DAVIDSON: FLFBS Fat Boy 114/Sport Glide/Road King Special/Street Glide (See Product Description) | | Item Type Name | OIL FILTER; POWERSPORTS; CANISTER BLACK | | Item Weight | 9.6 ounces | | 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) | | Model Number | KN-171B | | Number of Items | 1 | | Number of Packs | 1 | | OEM Equivalent Part Number | KN-171B | | 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 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, Wrench Off Nut, 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. ## 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 - QHDSGZS Oil Change Kit Oil Filter Cap Wrench,Crankcase Fill Funnel,Primary Case Oil Funnel,Drip-Free Oil Filter Funnel,30Pcs O-Rings,Compatible with Harley,QHDSGZS-011 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-wrench-off](https://www.desertcart.sk/products/3981525-k-and-n-motorcycle-oil-filter-high-performance-wrench-off) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-10-13*