How often should I clean and re-oil my K&N air filter?

The cleaning interval depends on your driving conditions. In normal street use, cleaning every 50,000 miles is sufficient. If you drive in dusty conditions, inspect the filter more frequently and clean when you see a buildup of dirt.

What kind of oil should I use to re-oil my K&N air filter?

K&N sells recharge kits that include both the cleaner and the oil. Using another type of oil can damage the filter material and reduce its effectiveness. A recharge kit ensures proper maintenance and 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 clamp it on and go.

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Trusted Since 1957

Est. 1957

K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 8in H

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Specifications

Brand: K&N
Part #: RU-1027
UPC: 024844373649

K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 8in H

Name: K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 8in H
Brand: K&N
Price: 94.99 USD
Availability: InStock

$94.99

In Stock

Universal clamp-on air filter from K&N. Washable and reusable, so it's the last filter you'll need.

Key Features

Washable filter — clean and re-oil for long filter life
Universal fit — works on many applications
Rubber flange stretches 1/16 inch — fits in-between sizes

⚠️ 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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Fits these vehicles

Dodge Ram 2500 1994-2002
Dodge Ram 3500 1994-2002
Jeep Grand Cherokee 1993-1998

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.