K&N Engineering RU-0820 Universal Clamp-On Air Filter, 2-7/16-Inch Flange, 3-1/2-Inch Outside Diameter, 6-Inch Height

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. Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable. Associated products: 25-1770 Air Filter Foam Wrap, RU-0520PK Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

• NO-HASSLE WARRANTY: 1-Year Limited Warranty
• One Year Limited Warranty

The K&N Engineering RU-0820 Universal Clamp-On Air Filter is designed for a wide range of air intake applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other equipment. Its universal design accommodates various intake configurations, including angled and offset air inlets, providing a practical solution when a vehicle- or equipment-specific filter is not available.

Constructed with an ultra-strong, pliable molded rubber flange, this washable and reusable air filter helps absorb vibration while maintaining a secure connection to the intake tube. The flange can stretch slightly to accommodate minor variations between sizes, supporting a reliable fit across compatible applications. The RU-0820 uses K&N reusable filter technology to reduce the need for frequent replacement filters when properly cleaned and serviced.

For additional protection in dusty or off-road environments, compatible accessories include the K&N 25-1770 Air Filter Foam Wrap and RU-0520PK Air Filter Wrap. The 99-5000 Filter Care Service Kit Aerosol can be used for filter maintenance. This product is not CARB approved and may require acknowledgment before purchase or use in regulated applications. It includes a 1-year limited warranty. Verify intake dimensions and clearance before installation to confirm compatibility with your equipment.

Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: RU-0820
• Product Type: Universal clamp-on air filter
• Flange Size: 2-7/16 inches
• Outside Diameter: 3-1/2 inches
• Overall Height: 6 inches
• Construction: Molded pliable rubber flange with reusable filter media
• Maintenance: Washable and reusable

What's Included

• One K&N Engineering RU-0820 universal air filter
• 1-year limited warranty

Features:

• Universal Compatibility: Designed for racing vehicles, generators, snowmobiles, tractors, radio-controlled cars, and other equipment with compatible intake requirements.
• Vibration-Resistant Flange: Ultra-strong molded rubber flange absorbs vibration and supports secure attachment to the intake.
• Flexible Fit: Pliable flange material can stretch slightly to accommodate minor variations between intake sizes.
• Washable and Reusable: Clean and maintain the filter for repeated use instead of replacing disposable filters as frequently.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1