K&N Engineering RU-3550 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: 25-3900 Air Filter Foam Wrap, 99-5000 Filter Care Service Kit Aerosol

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

Brief Description: The K&N Engineering RU-3550 Universal Rubber Air Filter is designed for a broad range of air intake applications, including racing vehicles, generators, snowmobiles, tractors, radio-controlled vehicles, and other equipment. Its universal design accommodates various intake angles and offset configurations, making it a practical choice when a standard air filter does not provide the needed fit.

Key Features and Performance Benefits:

• Feature: Washable and reusable construction helps reduce replacement frequency and supports long-term maintenance.
• Feature: Molded, pliable rubber flange absorbs vibration and provides a secure connection to the intake.
• Feature: Flexible flange can stretch up to approximately 1/16 inch to accommodate slightly different intake sizes.
• Feature: Universal application supports a wide range of automotive, powersports, motorsport, and equipment air intake systems.

Key Product Specifications and Technical Data:

• Brand: K&N Engineering
• Part Number: RU-3550
• Product Type: Universal automotive air filter
• Filter Style: Rubber flange universal filter
• Flange Diameter: 3.5 inches
• Base Diameter: 4.625 inches
• Top Diameter: 3.5 inches
• Filter Height: 5.5 inches

What's Included: One K&N Engineering RU-3550 Universal Rubber Air Filter. Associated products include the K&N 25-3900 Air Filter Foam Wrap and 99-5000 Filter Care Service Kit Aerosol.

Fitment: Universal fitment for compatible air intake systems. Verify the intake opening, flange configuration, clearance, and application requirements before installation. This product is not CARB approved, and applicable emissions requirements should be reviewed before use. The filter includes a one-year limited warranty.

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