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.

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.

does this filter a kn171b replace a 63798-99A

The 63798-99A would cross-reference to the K&N KN-171B Oil Filter.

Can I use this filter on my 2019 fatboy 107?

Not sure. A 2002 Lexus 300 SUV is the same filter as this I do know.

Will this work on a2016 wide glide 103 engine

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.

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

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

Product ID: 49490693

Details

Brand
K&N
Item dimensions L x W x H
10.2 x 7.6 x
Material
Steel
Product grade
Performance
Vehicle service type
Motorcycle

🔧Wrench-off design for effortless removal

⚙️High flow rate for peak engine performance

🛡️Synthetic-blend media traps harmful contaminants

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5077 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛵 Ride Clean, Ride Confident: The Ultimate Filter for Your Harley

SEAMLESS COMPATIBILITY - Works flawlessly with synthetic, conventional, and blended oils for versatile use.
DURABLE HEAVY DUTY BUILD - Robust steel canister designed to withstand the toughest rides and conditions.
UNMATCHED OIL FLOW EFFICIENCY - Engineered for superior oil circulation to maximize power and longevity.
ADVANCED FILTRATION TECHNOLOGY - Synthetic-blend media captures most contaminants, protecting your engine’s heart.
QUICK RELEASE WRENCH OFF DESIGN - Simplifies maintenance with fast, hassle-free filter changes.

The K&N KN-171B Motorcycle Oil Filter delivers high flow rates and premium synthetic-blend filtration media to protect select Harley Davidson engines. Built with heavy-duty steel and a user-friendly wrench-off design, it ensures durability and easy maintenance. Compatible with all oil types, this extensively lab-tested filter offers reliable performance backed by a 1-year limited warranty.

Specifications

ASIN	B000FGI6E6
Automotive Fit Type	Universal Fit
Best Sellers Rank	11,143 in Automotive ( See Top 100 in Automotive ) 94 in Car Oil Filters
Brand Name	K&N
Compatible with Vehicle Type	Motorcycle
Country Of Origin	Slovakia
Customer Reviews	4.8 4.8 out of 5 stars (5,968)
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	0.6 Pounds
Manufacturer	K&N
Manufacturer Part Number	KN-171B
Manufacturer Warranty Description	3 Months
Material Type	Steel
Model Number	KN-171B
Number of Items	1
OEM Equivalent Part Number	KN-171B
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
Thread Size	M20 x 1.5
UPC	759173941725 182683047043 024844087737
Unit Count	1.0 count

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5077 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Iceland.

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