K&N Engine Air Filter for 2017-2019 Harley-Davidson - Performance

Our review of the K&N Engine Air Filter for 2017-2019 Harley-Davidson models looks at whether this washable replacement is worth swapping into a factory air box. Bottom line: riders who want a straightforward, longterm upgrade to increase air flow and throttle response will appreciate this filter, because it is engineered for improved engine performance, comes preoiled for easy installation, and is backed by a 10year/million mile limited warranty that protects the filter for the life of the vehicle.

Key Features

• 10Year/Million Mile Limited Warranty: Provides long term peace of mind by covering the filter for the life of the vehicle rather than requiring frequent replacements.
• Engineered Power: The highflow media is designed to increase horsepower and acceleration by improving air intake compared with disposable paper elements.
• Preoiled and Ready to Install: Installation is quick and simple, fitting into the factory air box so most riders can complete the upgrade in minutes without special tools.
• Washable and Reusable: The washable design reduces ongoing cost and landfill waste because the filter can be cleaned and reused instead of replaced frequently.
• Cost Savings Over Time: K&N estimates savings by avoiding disposable filters, making this a moneysaving choice for riders who keep their bike long term.

Who It's For

This filter is best for HarleyDavidson riders of 20172019 Road King, Electra Glide, Ultra, Classic, Tri Glide, Limited, Low and other select models who want a clean, reliable performance upgrade without modifying the intake system. It suits owners who prefer a low maintenance, reusable solution and value long warranties and reduced replacement costs.

It is less suitable for riders seeking dramatic, bolton horsepower gains that require matched intake and exhaust tuning, or for those who would rather replace disposable filters frequently instead of servicing a reusable element.

Pros & Cons

Pros

• Improves air flow and perceived throttle response compared with paper filters.
• Preoiled, fits the factory air box and installs in minutes for most riders.
• Washable and reusable, which reduces waste and longterm cost.
• Backed by a long warranty that protects the product for the life of the vehicle.

Cons

• Some customers note concerns about plastic durability on related components, so inspect mating parts during installation.
• Not a substitute for full intake/exhaust tuning if maximum power gains are the goal.

Specifications

Brand	K&N
Fitment	2017-2019 HarleyDavidson Road King, Electra Glide, Ultra, Classic, Tri Glide, Limited, Low and select models
Filter Type	Highflow washable and reusable air filter
Warranty	10Year/Million Mile Limited Warranty
Preoiled	Yes, ready to install
Primary Benefit	Increases air flow for improved engine performance

Our Verdict

The K&N Engine Air Filter is a sensible, costeffective upgrade for riders who want better air flow, easier maintenance, and longterm savings. It installs quickly into the factory air box, is washable and reusable, and is backed by a long warranty, making it a practical choice for most 20172019 HarleyDavidson owners who want dependable performance gains without complex tuning.

Frequently Asked Questions

Will this fit my 2018 Electra Glide?
Yes, the filter is engineered to fit 20172019 Electra Glide models and other listed HarleyDavidson fits when installed in the factory air box.

Does it come preoiled?
Yes, the unit arrives preoiled and ready to install so no additional preparation is required before fitting.

How often does it need cleaning?
Cleaning frequency depends on riding conditions, but because the filter is washable and reusable it only needs service when inspection shows contamination or reduced airflow.