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This Universal Air Filter (Ref. RU-5131) from K&N has been constructed with ultra-strong moulded pliable rubber flanges which absorb vibration and allow a secure attachment. It can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes.
All Universal Air Filters from K&N are washable, reusable, and have been expertly 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 most likely a K&N universal air filter for your equipment.
To ensure the correct fitment for your application, you can use our K&N Universal Air Filter Product Finders.
| Flange Hole Diameter [mm] | 70 |
| Length 1 [mm] | 129 |
| Height [mm] | 140 |
| Shape | Conical |
| Filter type | Long-life Filter |
| Number of flange connections | 1 |
| Flange Shape | E |
| Length 2 [mm] | 89 |
| Package Contents | 1 Air Filter |
| Air Filter Material | Cotton Gauze |
| Package Quantity | 1 |
| Washable | Yes |
| Flange Type | Centered |
| Flange Inside Diameter | 2.75 in (70 mm) |
| Air Filter Shape | Round Tapered |
| Top Material | Rubber |
| Top Style | Rubber |
| Top Outside Diameter | 3.5 in (89 mm) |
| Height | 5.5 in (140 mm) |
| Flange Length | 0.75 in (19 mm) |
| Flanges | 1 |
| Base Outside Diameter | 5.063 in (129 mm) |
| Warranty | 1 Year Limited |
| Product Style | Round Tapered Universal Air Filter |
| Weight | 1.2 lb (0.5 kg) |
| Filter Re-Oiling Amount | 0.86 oz (25 ml) |
| Air Filter Large End Diameter | 5.063 in (129 mm) |
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