Motorcycle filters
Harley Air Filter
Harley-Davidson Air Filter Size Guide
Use the measurements below to choose the correct Harley air filter for your setup. All measurements are listed in inches. If you are replacing a clamp-on or motorcycle cone air filter, confirm the inlet diameter, filter height, base diameter, and top diameter before ordering.
Cone Filter Measurements
Click here for a picture showing how cone and cylinder filters are measured.
Green Filter USA - Measuring and Finding a Clamp-On Filter
Click here for a picture showing how cone and cylinder filters are measured.
Why Choose Green Filter for Harley Davidson Motorcycles
- High-flow motorcycle air filter design
- Washable and reusable for long-term use
- Made in the USA
- Built for reliable fitment and performance
- Lifetime warranty support
Select a Harley filter from the list below. The list can be sorted by clicking on a column heading. Clicking the heading again will sort it in the opposite direction. The table will scroll left and right for smaller screens.
#2444
#2465
#2744
Need help finding the right Harley air filter? Use our vehicle selector or contact us for expert guidance on Harley-Davidson air filters.
FAQs About Harley Air Filters
How do I find the right Harley air filter?
Use the filter table to compare inlet diameter, height, base outside diameter, top outside diameter, style, end cap, inlet type, and color. Matching these measurements helps you choose the correct Harley air filter for your setup.
What measurements do I need for a motorcycle cone air filter?
For a motorcycle cone air filter, check the inlet diameter, filter height, outside diameter at the base, and outside diameter at the top. These measurements help confirm proper fitment before ordering.
How do I clean a Harley air filter?
Remove the Harley air filter, apply the proper filter cleaner, rinse gently, let it dry completely, then re-oil it before reinstalling. Always follow the filter care instructions and avoid reinstalling the filter while it is still wet.
How often should I clean a Harley Davidson air filter?
Cleaning frequency depends on riding conditions. For normal use, inspect the filter regularly and clean it when dirt buildup is visible. Dusty roads, long rides, or performance use may require more frequent cleaning.
Are Green Filter Harley air filters washable and reusable?
Yes. Green Filter Harley air filters are washable and reusable. They can be cleaned, re-oiled, and reinstalled for long-term use, helping reduce replacement waste while supporting airflow and filtration.