RC-5178 K&N Oval Universal Air Filter

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RC-5178
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Oval Universal Air Filter
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. This universal air filter has a rigid flange for a clamp-on hose connection. K&N universal air filters are washable and reusable.
  • Designed to increase horsepower and acceleration
  • Washable and reusable lifetime air filter
  • Rigid flange for connection to a hose
  • Made in USA
  • One year limited warranty
Air Filter ShapeOval Straight
Height7.875 in (200 mm)
Package Contents1 Air Filter
Package Quantity1
WashableYes
Product StyleUnique Air Filters
Filter MaterialCotton Gauze
Flange Inside Diameter3.688 in (94 mm)
Flange Outside Diameter4 in (102 mm)
Flange Length1 in (25 mm)
Flange TypeOffset
Flange Offset1.5 in (38 mm)
Flanges1
Base Outside Length10.25 in (260 mm)
Base Outside Width7.188 in (183 mm)
Top Outside Length9 in (229 mm)
Top Outside Width5.375 in (137 mm)
Top StyleMetal
Top MaterialBlack Powder Coated
Weight4.2 lb (1.9 kg)
Filter Re-Oiling Amount7.57 oz (224 ml)
Product Box Height7.75 in (197 mm)
Product Box Length10.38 in (264 mm)
Product Box Width10.38 in (264 mm)
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Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

K&N Products

Unmatched Performance

50 years of improving vehicle performance.

intake

Cold Air Intakes

Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.

air filters

Air Filters

Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.

cabin air filter

Cabin Air Filters

Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.

oil filters

Oil Filters

K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.

tuning

Speed Shop

From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.

hvac

Home Air Filters

New washable and reusable air conditioning and furnace filters for your home. From the industry leader in washable automotive filtration.

filter

FUEL FILTERS

cleaning

CLEANING KITS

diesel filter

HD DIESEL

powersports

POWERSPORTS

OUR STORY

WHY K&N?


K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!


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