

Hero image 0 of K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.6875 In, Flange Length: 0.9375 In, Shape: Round, RX-3990-1, 0 of 8
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.6875 In, Flange Length: 0.9375 In, Shape: Round, RX-3990-1
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Key item features
- Robust Construction: This K&N Universal Air Filter is built with durable, premium materials and advanced construction methods, ensuring a long lifespan.
- Multi-Layered Protection: Multiple layers of premium cotton gauze, treated with a specialized tacking agent, form an intricate mesh designed to block and trap harmful contaminants.
- Extended Maintenance: The engine air filter requires cleaning only once every 75,000 miles under normal highway driving conditions, equating to approximately five years of use.
- Effortless Installation: Pre-oiled for convenience, this K&N Air Filter is ready to be dropped into a factory air box, offering an easy and cost-effective performance upgrade.
- Specific Dimensions: The filter features a 3-inch flange diameter, an 8.6875-inch height, a 0.9375-inch flange length, and a round shape, with additional measurements of 6" base and 4" top.
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Specs
- Manufacturer part numberRX-3990-1
- BrandK&N
- Engine air filter typeGauze
- Vehicle fitment typeUniversal
- MaterialCotton Gauze
- FeaturesWashable
Current price is USD$140.88
Price when purchased online
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About this item
Product details
3"FLG, 6"B, 4"T, 8-11/16"H
- 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 drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
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Specifications
Manufacturer part number
RX-3990-1
Brand
K&N
Engine air filter type
Gauze
Vehicle fitment type
Universal
Directions
Fabric Care Instructions
Yes
Warranty
Warranty information
unspecified length
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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