How often should I clean this filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles for normal highway use. If you drive in dusty conditions, you may need to clean it more often. Regular cleaning ensures proper airflow and extends the life of the filter.

What do I need to clean and re-oil this filter?

You'll need a K&N filter cleaning kit, which includes both the cleaner and the oil. The cleaner removes dirt and debris, and the oil restores the filter's ability to trap contaminants. Using the correct K&N oil is important to maintain the filter's performance.

Does this filter come pre-oiled?

Yes, this filter comes pre-oiled from the factory, ready to install. You don't need to oil it before its first use. Just install it and you're good to go.

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Trusted Since 1957

Est. 1957

K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H

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Specifications

Brand: K&N
Part #: RF-1048
UPC: 024844080578

K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H

Name: K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H
Brand: K&N
Price: 78.99 USD
Availability: InStock

$78.99

Only 5 left in stock

Universal fit air filter for custom applications. Washable and reusable.

Key Features

Washable and reusable — saves money compared to disposable filters
Universal fit — works for custom air intake setups
Pliable rubber flange — allows secure attachment and absorbs vibration

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.