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 the application. 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.
Specifications:
- Product type: Universal Air Filter
- Style: Round Tapered Universal Air Filter
- Shape: Round Tapered
- Filter line: High-Flow
- Media: Cotton Gauze
- Washable and reusable: Yes
- Height: 4.438 in (113 mm)
- Flange ID: 2.75 in (70 mm)
- Base OD: 5.063 in (129 mm)
- Top OD: 3.5 in (89 mm)
- Efficiency: Up To 99% Efficiency
- Re-oil amount: 0.67 oz (20 ml)
- Package contents: 1 Air Filter
- Warranty: 1 Year Limited
- Part number: RU-5135
FAQ
Is the K&N RU-5135 a universal part?
Yes. It is a universal-fit part sized by dimension rather than a specific vehicle. Check the dimensions against your application before ordering.
Is the K&N RU-5135 washable and reusable?
Yes. The K&N media is washable and reusable; clean and re-oil it with a K&N Recharger kit instead of replacing it.
How efficient is the filter?
K&N rates this filter at up to 99% efficiency.
What warranty does it carry?
It is backed by the K&N 1 Year Limited Warranty.

