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High-Flow Original Universal Air Filter - 4-1/2"FLG, 5-7/8"B, 3-1/4" X 4-1/2"T, 8"H
SKU
RU-1021
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.
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to for use- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- UNIVERSAL FITMENT: Designed for use on a variety of applications
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- NO-HASSLE WARRANTY: 1-Year Limited Warranty
| Base Outside Length | 5.875 in (149 mm) |
| Base Outside Width | 3.25 in (83 mm) |
| Air Filter Material | Cotton Gauze |
| Flange Inside Diameter | 4.5 in (114 mm) |
| Flange Length | 0.625 in (16 mm) |
| Flange Type | Centered |
| Height | 8 in (203 mm) |
| Top Outside Length | 4.5 in (114 mm) |
| Top Outside Width | 4.5 in (114 mm) |
| Top Style | Rubber |
| Top Material | Rubber |
| Air Filter Shape | Oval Tapered |
| Flanges | 1 |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | 1 Year Limited |
| Washable | Yes |
| Product Style | Oval Tapered Universal Air Filter |
| Weight | 1.4 lb (0.6 kg) |
| Filter Re-Oiling Amount | 1.42 oz (42 ml) |
| Air Filter Large End Diameter | 5.875 in (149 mm) |
| Product Box Height | 11 in (279 mm) |
| Product Box Length | 6.38 in (162 mm) |
| Product Box Width | 6.38 in (162 mm) |
| Filter Line | High-Flow |
| Overall Filter Efficiency | Up To 99% Efficiency |
No cross references found for this part
UP TO99%
Efficiency
LIFETIME
Usage Mileage
DIY Level
Easy Moderate Advanced
Tools Typically Needed
Screwdriver
Installation Time
5-10 Minutes
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