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K&N Air Filter Cleaning Instructions - International

Most K&N OEM replacement air filters will normally require cleaning and re-oiling every 50,000 miles.
Servicing your K&N Filter is simple; just follow the 4 easy steps below.

Pictures of Dirty and Clean Air Filters


Liberally spray K&N Air Filter Cleaner onto both sides of filter and allow to soak for 10 minutes to loosen the dirt. Do not allow cleaner to dry on air filter.

Panel Air Filter Cleaning

Round Air Filter Cleaning

Cone Air Filter Cleaning


Rinse off air filter with cool low-pressure water applied to the clean side out in order to flush the dirt out of the filter. Continue to rinse the filter until all traces of cleaner are gone. It may be necessary to repeat steps 1 and 2.

Panel Air Filter Rinsing

Round Air Filter Rinsing

Cone Air Filter Rinsing


After rinsing, gently shake off excess water and only allow filter to dry naturally. Do not oil until the filter is completely dry.


Aerosol Oil (99-5000EU)

Spray K&N Air Filter Oil evenly along the crown of each pleat holding nozzle about 3" away. Allow oil to wick for approximately 20 minutes. Touch up any light areas on either side of the filter until there is a uniform red color at all areas.

Panel Air Filter Aerosol Oiling

Round Air Filter Aerosol Oiling

Cone Air Filter Aerosol Oiling

The above process is the only approved procedure for maintaining your K&N Air Filter. Cleaning Cotton Oiled Filters