Description
The K&N Filters RU-3040 Universal Air Filter is engineered for versatility, making it suitable for various applications including racing vehicles and generators. This filter features ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment, accommodating offsets and angles in air intake systems.
One of the standout features of the RU-3040 is its washable and reusable design, which ensures longevity and reduces the need for frequent replacements. The filter can be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes, providing flexibility in installation. With its robust construction, the K&N universal air filter is an excellent choice for those looking to maintain optimal airflow and filtration in their equipment.
Features
- Constructed with ultra-strong molded pliable rubber flanges
- Washable and reusable design
- Can be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes
- Designed for various applications including racing vehicles and generators
Frequently Asked Questions
What is the primary material of the K&N Filters RU-3040?
The filter features ultra-strong molded pliable rubber flanges.
Is the K&N Filters RU-3040 washable?
Yes, the RU-3040 is designed to be washable and reusable.
How much can the flange be stretched?
The flange can be stretched for up to 1/16 of an inch (1.5mm) to accommodate different sizes.
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.












