K&N RU-1041 Universal Air Filter

K&N RU‑1041 Universal Clamp‑On Air Filter – RU‑1041

K&N RU‑1041 is a universal air filter designed for versatile use. With its high flow capacity, this filter improves the air intake performance of the engine while providing powerful filtration. It is suitable for use in racing vehicles, motorcycles, ATVs, and custom-built systems.

✅ High air flow and filtration efficiency with 4-layer cotton filter media

✅ Washable and reusable construction

✅ Flexible rubber flange provides a tight and secure connection with ±1.5 mm deviation

✅ Low restriction design improves engine performance

✅ Long service life and environmentally friendly use

The filter offers wide compatibility in special applications. It can replace standard OEM filters and be mounted directly on intake systems. Maintenance requirements are minimized thanks to long cleaning intervals.

Technical Specifications

- Flange inner diameter: 89 mm (3.5 in)

- Base diameter: 127 mm (5 in)

- Top diameter: 102 mm (4 in)

- Height: 178 mm (7 in)

- Flange length: 19 mm (0.75 in)

- Conical body design

- Pre-lubricated and ready for use

Compatible Applications

- Motorcycles

- ATV/UTV systems

- Performance vehicles and custom-built engines

- Industrial engines

Installation

Directly mounts to the intake pipe using a clamp connection system. The flange design compensates for small diameter differences, providing a secure installation. No additional adapters required.

Note

Only use if the diameter and height measurements are compatible with your system. It is recommended to compare with your existing air intake measurements before ordering.