Description
The K&N Filters RC-4780 Universal Air Filter is engineered for a wide range of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, and tractors. This versatile air filter features ultra-strong molded pliable rubber flanges that absorb vibration, ensuring secure attachment and the ability to stretch for up to 1/16 of an inch (1.5mm) to accommodate different sizes.
Constructed with a focus on functionality, the RC-4780 is washable and reusable, making it a practical choice for those looking to maintain their equipment over time. This air filter is designed to fit various air intake angles and offset diameters, providing flexibility for different setups. With its robust construction and adaptability, the K&N Filters RC-4780 serves as a reliable solution for enhancing air and fuel delivery.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Flanges can stretch for up to 1/16 of an inch (1.5mm)
- Washable and reusable design
- Compatible with various air intake angles and offset diameters
- Designed for a wide variety of applications
Frequently Asked Questions
What is the part number for this air filter?
The part number is RC-4780.
Is the K&N RC-4780 air filter washable?
Yes, the K&N RC-4780 air filter is washable and reusable.
What materials are used in the construction of the RC-4780?
The air filter features ultra-strong molded pliable rubber flanges.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.















