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.
NO-HASSLE WARRANTY: 1-Year Limited Warranty
One Year Limited Warranty
The K&N Engineering RU-5111 Universal Rubber Air Filter is designed to fit a wide range of applications, including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Constructed with durable, molded pliable rubber flanges, this filter absorbs vibrations and ensures a secure attachment, making installation straightforward across different equipment types. Its flexible flange can be stretched up to 1/16 inch (1.5 mm), accommodating a variety of intake sizes and angles for versatile use. Made with high-quality materials, the RU-5111 filter is washable and reusable, providing long-term value and consistent performance. Its design allows it to adapt to various intake configurations, ensuring optimal airflow and filtration efficiency. Whether you're upgrading your racing setup or maintaining equipment, this universal filter offers reliable performance and easy maintenance. Approved for use in many applications, the K&N RU-5111 meets industry standards for durability and functionality. It features a 4.5-inch base diameter, a 3.5-inch top opening, and stands approximately 5.75 inches tall, making it suitable for a broad spectrum of equipment. The filter adheres to Prop 65 requirements and is backed by K&N’s 1-year limited warranty, ensuring quality and customer satisfaction. Its universal design makes it an ideal choice for those seeking a flexible, high-performance air filtration solution.
Features:
Universal fit for a wide range of applications including racing, generators, snowmobiles, and tractors
Constructed with durable molded pliable rubber flanges for vibration absorption and secure attachment
Flange can be stretched up to 1/16 inch (1.5 mm) to fit various intake sizes and angles
Washable and reusable for long-term use and cost efficiency
