K&N Engineering RU-2990 Universal Rubber Air Filter, 3.5-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: 99-5000 Filter Care Service Kit Aerosol

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

The K&N Engineering RU-2990 Universal Rubber Air Filter is designed for a broad range of automotive and equipment applications, including racing vehicles, generators, snowmobiles, tractors, and other custom air-intake systems. Its universal design accommodates air intakes with varying angles and offset diameters, making it a practical choice for specialized installations where a conventional vehicle-specific filter may not fit.

Built with a durable, pliable rubber flange, the K&N RU-2990 helps absorb vibration while providing a secure connection to the intake tube. The flange can stretch slightly to accommodate in-between fitments, supporting a reliable installation across compatible applications. This washable and reusable filter can be serviced with the appropriate K&N Filter Care Service Kit, helping reduce replacement waste and maintain consistent airflow over the life of the filter.

Key specifications and technical data: Brand: K&N Engineering; Part Number: RU-2990; Product Type: Universal automotive air filter; Flange Diameter: 3.5 inches; Base Diameter: 5 inches; Top Diameter: 3.5 inches; Filter Height: 4 inches; Filter Construction: Molded pliable rubber flange; Serviceability: Washable and reusable. The filter is not CARB approved, and applicable installation requirements should be reviewed before use. A one-year limited warranty is included. Associated service product: K&N 99-5000 Filter Care Service Kit Aerosol.

What's included: One K&N Engineering RU-2990 universal rubber air filter. Confirm intake dimensions, clearance, and mounting requirements before installation. This product is intended for compatible custom or universal applications; specific vehicle fitment data was not provided.

Features:

• Universal Fitment: Designed for racing vehicles, generators, snowmobiles, tractors, and other custom air-intake applications.
• Vibration-Resistant Flange: Pliable molded rubber helps absorb vibration and supports a secure intake connection.
• Flexible Installation: The flange can stretch slightly to accommodate compatible in-between intake sizes.
• Washable and Reusable: Serviceable design helps extend filter life when maintained with the appropriate K&N filter care 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