Skip to product information
1 of 10

K&N Engineering RU-4870 Universal Rubber Air Filter, 2-3/4 in. Flange

K&N Engineering RU-4870 Universal Rubber Air Filter, 2-3/4 in. Flange

K&N Engineering -

Regular price $89.07 USD
Regular price $89.07 USD Sale price $89.07 USD
Sale Special Order this item by Clicking the Chat Button Below
Shipping calculated at checkout.
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. 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. Associated products: RX-4730DK Air Filter Wrap, RX-4730DL Air Filter Wrap, RX-4730DR Air Filter Wrap, RX-4730DY Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
  • One Year Limited Warranty

The K&N Engineering RU-4870 Universal Rubber Air Filter is designed for a wide range of automotive, powersports, racing, generator, tractor, snowmobile, and other equipment applications. Its universal configuration accommodates air intakes with varying angles and offset diameters, making it a practical replacement or performance upgrade for custom intake systems and specialty applications.

Constructed with a strong, pliable molded rubber flange, the K&N RU-4870 helps absorb vibration while providing a secure connection to the intake tube. The flange can stretch slightly to accommodate in-between sizes, supporting a reliable fit where exact intake dimensions are not available. The reusable filter media can be cleaned and serviced instead of routinely replaced, helping reduce long-term maintenance waste when properly maintained with an appropriate K&N filter care kit.

Key Product Specifications & Technical Data: Brand: K&N Engineering; Part Number: RU-4870; Product Type: Universal automotive air filter; Flange Style: Molded pliable rubber; Flange Size: 2-3/4 inches; Base Diameter: 6 inches; Top Diameter: 5 inches; Filter Height: 6-1/2 inches. Associated products include K&N RX-4730DK, RX-4730DL, RX-4730DR, and RX-4730DY air filter wraps, along with the 99-5000 Filter Care Service Kit Aerosol.

What's Included: One K&N Engineering RU-4870 Universal Rubber Air Filter. This product carries a one-year limited warranty. Fitment data includes select 1997-1999 Honda Prelude applications and 2000 Honda Civic applications; verify the intake configuration and vehicle-specific requirements before installation. This universal filter is not CARB approved, and applicable emissions requirements should be reviewed before use.

Features:

  • Universal Application: Designed for racing vehicles, generators, snowmobiles, tractors, automotive projects, and other equipment with compatible intake systems.
  • Flexible Rubber Flange: Pliable molded rubber construction helps absorb vibration and supports a secure intake connection.
  • Adaptable Fit: The flange can stretch slightly to accommodate in-between intake sizes and varying installation requirements.
  • Washable and Reusable: Serviceable filter construction allows the filter to be cleaned and reused with proper maintenance.

Fitments:
1997 Honda Prelude Base
1997 Honda Prelude Type SH
1998 Honda Prelude Base
1998 Honda Prelude Type SH
1999 Honda Civic CX
1999 Honda Civic DX
1999 Honda Civic EX
1999 Honda Civic GX
1999 Honda Civic HX
1999 Honda Civic LX
1999 Honda Civic Si
1999 Honda Civic Value Package
1999 Honda Prelude Base
1999 Honda Prelude Type SH
1999 Jeep Grand Cherokee Laredo
1999 Jeep Grand Cherokee Limited
1999 Mazda Miata 10th Anniversary
1999 Mazda Miata Base
2000 Honda Civic CX
2000 Honda Civic DX
2000 Honda Civic EX
2000 Honda Civic GX
2000 Honda Civic HX
2000 Honda Civic LX
2000 Honda Civic Si
2000 Jeep Grand Cherokee Laredo
2000 Jeep Grand Cherokee Limited
2000 Mazda Miata Base
2000 Mazda Miata LS
2000 Mazda Miata SE
2000 Toyota Celica GT
2000 Toyota Celica GTS
2001 Jeep Grand Cherokee Laredo
2001 Jeep Grand Cherokee Limited
2001 Mazda Miata Base
2001 Mazda Miata LS
2001 Mazda Miata SE
2001 Toyota Celica GT
2001 Toyota Celica GTS
2002 Acura RSX Base
2002 Acura RSX Type-S
2002 Honda Civic Si
2002 Honda CR-V EX
2002 Honda CR-V LX
2002 Jeep Grand Cherokee Laredo
2002 Jeep Grand Cherokee Limited
2002 Jeep Grand Cherokee Sport
2002 Mazda Miata Base
2002 Mazda Miata LS
2002 Mazda Miata SE
2002 Nissan Altima Base
2002 Nissan Altima S
2002 Nissan Altima SL
2002 Toyota Celica GT
2002 Toyota Celica GTS
2003 Acura RSX Base
2003 Acura RSX Type-S
2003 Honda Accord DX
2003 Honda Accord EX
2003 Honda Accord LX
2003 Honda Civic Si
2003 Honda CR-V EX
2003 Honda CR-V LX
2003 Hyundai Tiburon GT
2003 Jeep Grand Cherokee Laredo
2003 Jeep Grand Cherokee Limited
2003 Mazda 6 i
2003 Mazda 6 S
2003 Mazda Miata Base
2003 Mazda Miata LS
2003 Mazda Miata SE
2003 Mazda Miata Shinsen
2003 Nissan Altima Base
2003 Nissan Altima S
2003 Nissan Altima SL
2003 Toyota Celica GT
2003 Toyota Celica GTS
2004 Acura RSX Base
2004 Acura RSX Type-S
2004 Acura TL Base
2004 Acura TSX Base
2004 Honda Accord DX
2004 Honda Accord EX
2004 Honda Accord LX
2004 Honda Civic Si
2004 Honda CR-V EX
2004 Honda CR-V LX
2004 Hyundai Tiburon GT
2004 Jeep Grand Cherokee Laredo
2004 Jeep Grand Cherokee Limited
2004 Jeep Grand Cherokee Special Edition
2004 Mazda 6 i
2004 Mazda 6 S
2004 Mazda Miata Base
2004 Mazda Miata LS
2004 Mazda Miata Mazdaspeed
2004 Nissan Altima Base
2004 Nissan Altima S
2004 Nissan Altima SL
2004 Toyota Celica GT
2004 Toyota Celica GTS
2005 Acura RSX Base
2005 Acura RSX Type-S
2005 Acura TL Base
2005 Acura TSX Base
2005 Honda Accord DX
2005 Honda Accord EX
2005 Honda Accord LX
2005 Honda Accord SE
2005 Honda Civic Si
2005 Hyundai Tiburon GT
2005 Hyundai Tiburon SE
2005 Kia Spectra EX
2005 Kia Spectra LX
2005 Kia Spectra SX
2005 Kia Spectra5 Base
2005 Mazda 6 i
2005 Mazda 6 S
2005 Mazda Miata Base
2005 Mazda Miata LS
2005 Mazda Miata Mazdaspeed
2005 Nissan Altima S
2005 Nissan Altima SL
2006 Acura RSX Base
2006 Acura RSX Type-S
2006 Acura TL Base
2006 Acura TSX Base
2006 Honda Accord EX
2006 Honda Accord LX
2006 Honda Accord LX Special Edition
2006 Honda Accord Value Package
2006 Kia Spectra EX
2006 Kia Spectra SX
2006 Kia Spectra5 Base
2006 Mazda 6 i
2006 Mazda 6 Mazdaspeed
2006 Mazda 6 S
2006 Nissan Altima Base
2006 Nissan Altima S
2006 Nissan Altima SL
2007 Acura TL Base
2007 Acura TL Type-S
2007 Acura TSX Base
2007 Honda Accord EX
2007 Honda Accord EX-L
2007 Honda Accord LX
2007 Honda Accord Special Edition
2007 Honda Accord Value Package
2007 Kia Spectra EX
2007 Kia Spectra LX
2007 Kia Spectra SX
2007 Kia Spectra5 SX
2007 Mazda 6 i
2007 Mazda 6 Mazdaspeed
2007 Mazda 6 S
2008 Acura TL Base
2008 Acura TL Type-S
2008 Acura TSX Base
2008 Kia Spectra EX
2008 Kia Spectra LX
2008 Kia Spectra SX
2008 Kia Spectra5 SX
2008 Mazda 6 i
2008 Mazda 6 S
2015 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015 Subaru WRX STI Limited
2016 Subaru WRX STI Base
2016 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2017 Subaru WRX STI Base
2017 Subaru WRX STI Limited
Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1

Materials

Shipping & Returns

Dimensions

Care Instructions

View full details

    Contact form