K&N Universal 9.5 Inch Tall Round Tapered Air Filter with Adjustable Mounting Flange

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K&N universal chrome top air filter RG-1002RD-L with 3, 3.5 or 4 inch flange

The K&N universal air filter, number RG-1002RD-L, incorporates an inverted filter top for a larger surface area than a comparably sized air filter

The K&N RG-1002RD-L universal air filter is designed to increase airflow while also increasing horsepower and acceleration. The layered cotton gauze filter construction allows for easy cleaning and reusability. The filter is designed to for high airflow without degrading engine protection.

K&N universal chrome top air filter RG-1002RD-L with 3, 3.5 or 4 inch flange

The K&N RG-1002RD-L universal air filter features multi-lingual clamshell packaging to make them friendly for English, Spanish, French, and German language consumers

The filters come pre-oiled from the factory, so they are ready to install right when you get them. The K&N RG-1002RD-L universal air filter comes in a multi-lingual clamshell package featuring English, Spanish, French and German languages, making the product friendly to wide array of potential customers.

The ultra-strong molded pliable rubber flange not only absorbs vibration during use, but also allows for the flange inside diameter to be changed from 3 inch, 3.5 inch or 4 inches with the included inserts so it can not only fit several different sizes, but also provide for a secure attachment.

K&N universal chrome top air filter RG-1002RD-L with 3, 3.5 or 4 inch flange

K&N universal air filter, part number RG-1002RD-L, includes inserts to create a 3 inch, 3.5 inch or 4 inch flange

K&N warrants the RG-1002RD-L universal air filter for up to one year, and for an unlimited number of miles, from the date of the filter’s purchase. The warranty protects against possible manufacturer defects. A filter bought as a direct replacement for a K&N air intake system comes with a 10-year/million mile limited warranty.

If you are looking for a K&N filter specific for your vehicle, please use our Search by Vehicle tool. You can also use our Dealer Search tool to find an authorized K&N dealer near you.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 50 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit