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K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&N offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration. Model RU-4740 features a 4.5" flange diameter, tapered round shape and a 6" filter height. The washable, high-flow construction provides improved airflow and durability; included components list the flange and dimensional callouts for simple fitment checks. Limited warranty applies.
- MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
- NO-HASSLE WARRANTY: 1-Year Limited Warranty
- 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
- UNIVERSAL FITMENT: Designed for use on a variety of applications
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- 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)
- RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 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
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
Specifications:
| Materials & Construction | |
| Included Components (callouts) | 4-1/2"FLG, 5-7/8"B, 4-1/2"T, 6"H |
| Shape | Round |
| Product Details | |
| Fit Type | Universal Fit |
| GTIN | 400770084505 024844102119 |
| Included Components | 4-1/2"FLG, 5-7/8"B, 4-1/2"T, 6"H |
| Item Type Name | 4-1/2"FLG, 5-7/8"B, 4-1/2"T, 6"H |
| Model Number | RU-4740 |
| OEM Part Number | RU-4740 |
| Product Grade | Replacement Part |
| UPC | 400770084505 024844102119 |
| Sizing & Dimensions | |
| Height | 6 inches |
| Length | 4.5 inches |
| Product Dimensions | 4.5 x 4.5 x 6 inches |
| Product Weight | 16 ounces |
| Size | 4.5 x 4.5 x 6 inches |
| Weight | 1 pounds |
| Width | 4.5 inches |
| Technical Specifications | |
| Manufacturer Warranty Description | LIMITED WARRANTY |
| Proposition 65 Warning | True |


