RF-1021 - K&N Universal Filter - Oval Filter

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Part #: RF-1021
Notes: Universal Air Filter
Oval Tapered Filter
MSRP: $105.39
Your Price: $67.99

Specs

Air Filter Shape Oval Straight
Base Outside Diameter 5.87 in (149 mm)
Base Outside Length 5.875 in (149 mm)
Base Outside Width 5.875 in (149 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 1.42 oz (42 ml)
Flange Angle 0 degrees
Flange Inside Diameter 4.5 in (114 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 8 in (203 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Stainless Steel
Top Outside Length 4.5 in (114 mm)
Top Outside Width 3.25 in (83 mm)
Top Style Metal
Weight 1.6 lb (0.7 kg)

This Item Also Available In

Part Number Price Notes & Specs
R-0640 $41.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 4.5 in (114 mm)
Base Outside Width 3.75 in (95 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.3 oz (9 ml)
Flange Angle 30 degrees
Flange Inside Diameter 1.5 in (38 mm)
Flange Length 1 in (25 mm)
Flange Offset 0 in (0 mm)
Flange Type Angled
Flanges 1
Height 2.75 in (70 mm)
Outside Length 4.5 in (114 mm)
Outside Width 3.75 in (95 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 4.5 in (114 mm)
Top Outside Width 3.75 in (95 mm)
Top Style Rubber
Weight 0.7 lb (0.3 kg)
R-0642 $73.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 4.5 in (114 mm)
Base Outside Width 3.5 in (89 mm)
Filter Material Cotton Gauze
Flange Angle 30 degrees
Flange Inside Diameter 1.5 in (38 mm)
Flange Length 1 in (25 mm)
Flange Offset 0 in (0 mm)
Flange Type Angled
Flanges 1
Height 2.75 in (70 mm)
Includes 2 Filters
Outside Length 4.5 in (114 mm)
Outside Width 3.5 in (89 mm)
Package Contents 2 Air Filters
Package Quantity 2
Top Material None
Top Outside Length 4.5 in (114 mm)
Top Outside Width 3.5 in (89 mm)
Top Style Rubber
Weight 1.3 lb (0.6 kg)
RA-0700 $54.39 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.3 oz (9 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.063 in (52 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Footnote 1 Base Has 1/4" Vent
Height 1.5 in (38 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1 lb (0.4 kg)
RA-070V $52.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.3 oz (9 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.063 in (52 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Footnote 1 Base Has 1/4" Vent
Height 1.5 in (38 mm)
Inner Wire No
Inside Length 0 in (0 mm)
Inside Width 0 in (0 mm)
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.1 lb (0.5 kg)
RA-0710 $50.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.37 oz (11 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.063 in (52 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Footnote 1 Base Has 1/4" Vent
Height 2 in (51 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1 lb (0.4 kg)
RA-0720 $45.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.62 oz (18 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.063 in (52 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Footnote 1 Base Has 1/4" Vent
Height 3 in (76 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1.2 lb (0.5 kg)
RA-0750 $54.39 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.3 oz (9 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 1.5 in (38 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1 lb (0.4 kg)
RA-075V $62.59 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.3 oz (9 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 1.5 in (38 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1 lb (0.5 kg)
RA-0760 $61.49 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.37 oz (11 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 2 in (51 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1 lb (0.5 kg)
RA-076V $70.79 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.41 oz (12 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 2 in (51 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.2 lb (0.5 kg)
RA-0770 $58.29 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.57 oz (17 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 3 in (76 mm)
Inner Wire No
Inside Length 0 in (0 mm)
Inside Width 0 in (0 mm)
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material None
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Rubber
Weight 1 lb (0.5 kg)
RA-077V $53.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.62 oz (18 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.563 in (65 mm)
Flange Length 0.875 in (22 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 3 in (76 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.2 lb (0.5 kg)
RC-0981 $44.99 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 4 in (102 mm)
Base Outside Width 3 in (76 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.27 oz (8 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.125 in (54 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0.438 in (11 mm)
Flange Type Offset
Flanges 1
Height 2.75 in (70 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 3 in (76 mm)
Top Outside Width 2 in (51 mm)
Top Style Metal
Weight 0.5 lb (0.2 kg)
RC-1500 $73.09 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 6.25 in (159 mm)
Base Outside Width 4 in (102 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.97 oz (29 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 5 in (127 mm)
Outside Length 6.25 in (159 mm)
Outside Width 4 in (102 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 6.25 in (159 mm)
Top Outside Width 4 in (102 mm)
Top Style Metal
Weight 1.2 lb (0.6 kg)
RC-1520 $76.19 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 6.25 in (159 mm)
Base Outside Width 4 in (102 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 1.36 oz (40 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 7 in (178 mm)
Outside Length 6.25 in (159 mm)
Outside Width 4 in (102 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 6.25 in (159 mm)
Top Outside Width 4 in (102 mm)
Top Style Metal
Weight 1.3 lb (0.6 kg)
RC-1540 $77.89 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 6.25 in (159 mm)
Base Outside Width 4 in (102 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 1.16 oz (34 ml)
Flange Angle 10 degrees
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 1 in (25 mm)
Flange Offset 0 in (0 mm)
Flange Type Angled
Flanges 1
Height 6 in (152 mm)
Outside Length 6.25 in (159 mm)
Outside Width 4 in (102 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 6.25 in (159 mm)
Top Outside Width 4 in (102 mm)
Top Style Metal
Weight 1.3 lb (0.6 kg)
RC-1980 $57.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.37 oz (11 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.438 in (62 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 2 in (51 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.2 lb (0.5 kg)
RC-2000 $58.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.37 oz (11 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 2 in (51 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.2 lb (0.5 kg)
RC-2770 $47.99 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 4 in (102 mm)
Base Outside Width 3 in (76 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.37 oz (11 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2 in (51 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0.5 in (13 mm)
Flange Type Offset
Flanges 1
Height 5 in (127 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 3 in (76 mm)
Top Outside Width 2 in (51 mm)
Top Style Metal
Weight 0.7 lb (0.3 kg)
RC-2810 $66.69 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 4 in (102 mm)
Base Outside Width 3 in (76 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.39 oz (12 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.125 in (54 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0.438 in (11 mm)
Flange Type Offset
Flanges 1
Footnote 1 Base Has 1-1/8" Vent
Height 4 in (102 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 3 in (76 mm)
Top Outside Width 2 in (51 mm)
Top Style Metal
Weight 0.7 lb (0.3 kg)
RC-2860 $58.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.57 oz (17 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 3 in (76 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.2 lb (0.5 kg)
RC-2890 $50.99 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 4 in (102 mm)
Base Outside Width 3 in (76 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.39 oz (12 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.125 in (54 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0.438 in (11 mm)
Flange Type Offset
Flanges 1
Height 4 in (102 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 3 in (76 mm)
Top Outside Width 2 in (51 mm)
Top Style Metal
Weight 0.6 lb (0.3 kg)
RC-2900 $50.99 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 4 in (102 mm)
Base Outside Width 3 in (76 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.39 oz (12 ml)
Flange Angle 0 degrees
Flange Inside Diameter 2.125 in (54 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0.438 in (11 mm)
Flange Type Offset
Flanges 1
Height 4 in (102 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 3 in (76 mm)
Top Outside Width 2 in (51 mm)
Top Style Metal
Weight 0.5 lb (0.2 kg)
RC-3160 $67.99 Notes Universal Air Filter
Oval Tapered Filter
Air Filter Shape Oval Straight
Base Outside Length 8.25 in (210 mm)
Base Outside Width 6.25 in (159 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 1.23 oz (36 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 6 in (152 mm)
Flange Length 1 in (25 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 5 in (127 mm)
Inner Wire No
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 6.25 in (159 mm)
Top Outside Width 4 in (102 mm)
Top Style Metal
Weight 1.8 lb (0.8 kg)
RC-3180 $57.99 Notes Universal Air Filter
OvalStraight Filter
Air Filter Shape Oval
Base Outside Length 7 in (178 mm)
Base Outside Width 4.5 in (114 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.47 oz (14 ml)
Flange Angle 0 degrees
Flange Center to Center 0 in (0 mm)
Flange Inside Diameter 3.5 in (89 mm)
Flange Length 0.625 in (16 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Height 3.5 in (89 mm)
Inner Wire No
Outside Length 7 in (178 mm)
Outside Width 4.5 in (114 mm)
Package Contents 1 Air Filter
Package Quantity 1
Top Material Chrome
Top Outside Length 7 in (178 mm)
Top Outside Width 4.5 in (114 mm)
Top Style Metal
Weight 1.1 lb (0.5 kg)

All Fitments

UNIVERSAL
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 NON APPLICATION SPECIFIC ALL ALL ALL ALL ALL ALL

Product Description

K&N’s Universal Air Filters are designed and manufactured for a wide variety of applications. Regardless of the angle, offset diameter of the air intake, there is 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 available in round, tapered (cone style) and oval designs, for just about any special application.

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