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K&N RC-4780 4.8 out of 5 stars 6 Customer Reviews
Universal Air Filters > Universal Air Filter

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RC-4780
 
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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" (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

[More Information on Universal Air Filters]
  • Designed to increase horsepower and acceleration
  • Hundreds of sizes and shapes for most applications
  • High air flow with excellent filtration
  • Clamp-on washable and reusable air filter
  • Pliable flanges absorb vibration and can be stretched up to 1/16 In. to fit in-between sizes
  • Not legal for highway use in states adopting California emission regulations
  • One year limited warranty
Available Information
Air Filter Test Data


Part RC-4780 Product Specifications
Product Style: Round Tapered Universal Air Filter
Air Filter Shape: Round Tapered
Air Filter Large End Diameter: 6.625 in (168 mm)
Base Outside Diameter: 6.625 in (168 mm)
Top Outside Diameter: 5.25 in (133 mm)
Flanges: 1
Flange Inside Diameter: 4 in (102 mm)
Flange Length: 1.688 in (43 mm)
Flange Type: Centered
Height: 9.5 in (241 mm)
Filter Material: Cotton Gauze
Top Style: Metal
Top Material/Finish: Black Powder Coated
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 6.79 oz (201 ml)
Footnote 1: 2-1/2" Adapter Included
Footnote 2: Base Has 9/16" Vent
Footnote 3: Base Has Optional 1/2" Vent
Weight: 3.3 lb (1.5 kg)
Product Box Length: 14.38 in (365 mm)
Product Box Width: 7.38 in (187 mm)
Product Box Height: 7.75 in (197 mm)



Product Reviews    See all reviews!  Review part RC-4780

 Very fast delivery.
Jeff Harner, South Riding, Virginia
 Purchased as a replacement filter on my 5.9 Cummins. Original filter (with cleanings) logged over 300,000 miles. Here's to 300,000 more.
Mark C, Delaware
 Excellent product. Ordering was fast and easy with very quick delivery.
Terry, Grass Valley, California