K&N RC-5127 | Air Cleaner Assembly

Part Number
SPECIAL ORDER Univ Clamp-On Fltr
Special Price $59.49 Regular Price $69.99
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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 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.



  • SPECIAL ORDER Univ Clamp-On Fltr
  • Malleable Flanges
  • One Year Limited Warranty
  • SPECIAL ORDER Univ Clamp-On Fltr
  • High Air Flow With Excellent Filtration
  • Regardless of the angle or offset diameter of an air intake| there is probably a K/N Universal air filter for your equipment. K/N universal air filters are washable and reusable.
  • Clamp-On Washable and Reusable Air Filter
  • Designed To Increase Horsepower And Acceleration


Air Filter Large End Diameter5.063 in. (129mm)
Automotive Item GradeHigh Performance
Base Outside Diameter5.063 in. (129mm)
CARB/Air Horn Diameter2.750 in.
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.47 oz (14 ml)
Flange Angle0 Degree
Flange Inside Diameter2.750 in. (70mm)
Flange Length0.750 in. (19mm)
Flange Offset0.000 in. (0mm)
Flange TypeCentered
Frame DesignFlexible
Item Height3.188 in. (81mm)
Item Weight1.000 lbs. (0.5 kg)
Machine WashableYes
MaterialRubber Base
Number of Flanges1
Oil IncludedFilter Is Pre-Oiled
Package Content1
Package Contents1 Air Filter
Package MaterialPaperboard
Package Quantity1
Package TypeBox
Product Box Height7.130 in. (181mm)
Product Box Length7.060 in. (179mm)
Product Box Width7.060 in. (179 mm)
Prop 65 (C, R or CR)CR
Prop 65 Warning Labelhttps://www.knfilters.com/images/l/prop65.jpg
ShapeRound Tapered
TitleK&N RC-5127 SPECIAL ORDER Univ Clamp-On Fltr
Top MaterialChrome
Top Outside Diameter3.500 in. (89mm)
Top StyleMetal
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


Customer Questions
Can K&N filters get wet?
No, K&N filters should not get wet.
When to clean K&N air filter?
K&N air filters should be cleaned approximately every 50,000 miles (80,000 kilometers) or as recommended by the manufacturer.
Will K&N filter increase mpg?
It is possible for a K&N air filter to slightly improve fuel efficiency (MPG) under certain conditions.
What does K&N mean?
K&N stands for the names of the two founders of the company, Ken Johnson and Norm McDonald.
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