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
The K&N Engineering RU-4250 is a versatile universal rubber air filter designed to fit a wide range of applications, including racing vehicles, generators, snowmobiles, tractors, and RC cars. Crafted with durable, molded pliable rubber flanges, this filter absorbs vibration and ensures a secure attachment, even allowing for slight stretch to accommodate variations in size. Its robust construction makes it suitable for various angles and offset diameters of air intakes, making it an ideal choice for different equipment setups. The filter's design emphasizes durability and reusability, as it is washable and can be cleaned for extended use, reducing the need for frequent replacements and supporting eco-friendly practices. This model features a 3.75-inch flange diameter, a 5.375-inch base outer diameter, a 4.375-inch top outer diameter, and a height of approximately 5 inches, providing broad compatibility with many air intake systems. The RU-4250 meets industry standards and is backed by a one-year limited warranty, ensuring reliable performance for demanding applications. Whether you're upgrading your racing vehicle or maintaining equipment, this universal air filter offers a dependable solution that combines flexibility, durability, and ease of maintenance, making it a valuable addition to your toolkit.
Features:
Universal fit for a wide variety of applications including racing, generators, snowmobiles, and RC cars
Constructed with ultra-strong molded pliable rubber flanges for vibration absorption and secure attachment
Stretchable flange design allows for up to 1/16 inch (1.5mm) adjustment to fit different sizes
Washable and reusable design for extended use and cost savings
Designed to accommodate various angles and offset diameters of air intake systems
Backed by a 1-year limited warranty for reliable performance
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
Product Details
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