K&N Engineering RU-4260 Universal Rubber Air Filter, 4.5-Inch Flange

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: 25-3900 Air Filter Foam Wrap, 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• One Year Limited Warranty

The K&N Engineering RU-4260 Universal Rubber Air Filter is designed for a wide range of equipment and performance applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other engines requiring a reusable intake filter. Its universal design accommodates air intakes with varying angles and offset configurations, making it a practical solution for custom installations and replacement applications.

Built with a strong, pliable molded rubber flange, the K&N RU-4260 helps absorb vibration while providing a secure connection to the intake system. The flange can stretch slightly to accommodate minor fitment variations, helping bridge the gap between sizing options. The reusable filter media is washable and designed for repeated service, reducing the need for frequent disposable filter replacements and helping minimize landfill waste.

For maintenance, the K&N RU-4260 can be serviced with the K&N 99-5000 Filter Care Service Kit Aerosol. The K&N 25-3900 Air Filter Foam Wrap is also available as an associated accessory for added protection in dusty or demanding environments. This filter is covered by a one-year limited warranty. It is not California Air Resources Board approved and may require acknowledgment before purchase or installation where applicable. Verify intake configuration and application requirements before ordering.

Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: RU-4260
• Product Type: Universal automotive air filter
• Flange Inner Diameter: 4.5 inches
• Base Outer Diameter: 5.875 inches
• Top Outer Diameter: 5.125 inches
• Filter Height: 5 inches
• Construction: Washable filter media with molded pliable rubber flange

What's Included

• One K&N Engineering RU-4260 Universal Rubber Air Filter

Fitment: Universal fitment for compatible intake systems on racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other equipment. Confirm the intake diameter, angle, clearance, and application requirements before installation.

Features:

• Universal Application: Designed for racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other compatible equipment.
• Vibration-Resistant Flange: Pliable molded rubber helps absorb vibration and supports a secure intake connection.
• Flexible Fit: The flange can stretch slightly to accommodate minor variations between available intake sizes.
• Washable and Reusable: Serviceable filter construction helps reduce disposable filter waste and supports repeated use.

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