K&N Engineering RU-5111 Universal Rubber Air Filter

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

• 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
• One Year Limited Warranty

The K&N Engineering RU-5111 Universal Rubber Air Filter is designed for a wide range of equipment and performance applications, including racing vehicles, generators, snowmobiles, tractors, radio-controlled cars, and other custom air intake systems. Its universal design accommodates air intakes with varying angles and offset diameters, making it a practical solution when a standard replacement filter is not suitable.

Built with four layers of premium cotton gauze treated with a specially designed tacking agent, the filter creates an intricate filtration media intended to capture harmful contaminants before they reach the engine. The molded, pliable rubber flange helps absorb vibration and provides a secure connection to the intake. It can also stretch slightly to accommodate an in-between intake size, supporting a reliable fit across a range of applications.

The K&N RU-5111 is washable and reusable, helping reduce replacement frequency when properly serviced. For additional protection in dusty or demanding environments, it is compatible with the K&N 25-3900 Air Filter Foam Wrap. The K&N 99-5000 Filter Care Service Kit Aerosol is also available for cleaning and re-oiling maintenance. This filter includes a one-year limited warranty. It is not CARB-approved, and applicable emissions restrictions should be reviewed before installation. Fitment is application-specific; verify the intake connection and clearance before ordering.

Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: RU-5111
• Product Type: Universal reusable air filter
• Filter Media: Four layers of premium cotton gauze
• Flange Material: Molded pliable rubber
• Serviceability: Washable and reusable
• Warranty: One-year limited warranty
• Emissions Status: Not CARB-approved

What's Included

• One K&N Engineering RU-5111 universal rubber air filter

Features:

• Universal Application: Designed for racing vehicles, generators, snowmobiles, tractors, radio-controlled cars, and other custom intake systems.
• Four-Layer Filtration: Premium cotton gauze media and a specialized tacking agent help capture harmful airborne contaminants.
• Flexible Rubber Flange: Molded pliable rubber absorbs vibration, supports secure attachment, and accommodates slight in-between intake sizes.
• Washable and Reusable: Serviceable filter construction helps extend product life when cleaned and maintained with appropriate K&N products.

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