FUEL/AIR SYSTEMS
RU-0510PK
RU-1822
RU-171
1011-1583
RU-0981
1011-2003
UNIVERSAL CLAMP-ON AIR FILTERS
  • K&N universal air filters come in three styles – round straight, oval tapered and round tapered
  • All round straight types and oval tapered types have rubber end caps
  • All round tapered types have chrome end caps
  • All clamp directly to the carburetor throat, replacing the stock airbox and filter element
  • Match the OD of your carb throat with the ID of the filter (given in inches and millimeters)
  • UNIVERSAL PRECHARGERS
  • This specially designed filter wrap is made to extend the service interval of a K&N Filtercharger when used in very dusty conditions
  • Made from a highly durable polyester material containing uniform micron openings; available in black only
  • OVAL TAPERED TYPE
    MOUNTING FLANGE ID
    END CAP SIZE
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    2”
    3” x 4”
    2 3 / 4
    Offset
    RU-1822
    $105.95
    UNIVERSAL OVAL TYPE
    OVAL. DIM.
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    OVAL. DIM.
    LENGTH
    FLANGE POSITION
    P ART  #
    SUG. RETAIL
    1 1 / 2 ” ID (38mm)
    2 1 / 4 ” ID (57mm)
    3 1 / 2 ” x 4 1 / 2
    2 3 / 4
    Angled 30°
    R-0642 1
    $111.95
    3 3 / 4 ” x 4 1 / 2
    4”
    Centered
    RU-99
    $65.95
    1 3 / 4 ” ID (44mm)
    3 3 / 4 ” x 4 1 / 2
    6”
    Angled 10°
    RU-115
    63.95
    3” x 4”, 2 1 / 2 ” x 3 1 / 2
    2 3 / 4
    Offset
    RU-2450
    58.95
    2 7 / 16 ” ID (62mm)
    2” ID (51mm)
    3 3 / 4 ” x 4 1 / 2
    5”
    Angled 10°
    RU-122
    68.95
    3” x 4”, 2 1 / 2 ” x 3 1 / 2
    2 3 / 4
    Offset
    RU-1820
    58.95
    3 3 / 4 ” x 4 1 / 2
    7”
    Angled 10°
    RU-124
    75.95
    2 1 / 8 ” ID (55mm)
    3 3 / 4 ” x 4 1 / 2
    7”
    Angled 20°
    RU-139
    68.95
    3” x 4”, 2 1 / 2 ” x 3 1 / 2
    2 3 / 4
    Offset
    RU-0981
    58.95
    1 Sold in pairs.
    3” x 4”, 2 1 / 2 ” x 3 1 / 2
    2 3 / 4
    Offset
    RU-0982 1
    109.95
    3” x 4”, 2 1 / 2 ” x 3 1 / 2
    5”
    Offset
    RU-2750
    74.95
    UNIVERSAL ROUND STRAIGHT TYPE
    OVERALL DIMENSION
    LENGTH
    FLANGE POSITION
    PART #
    SUG. RETAIL
    OVERALL DIMENSION
    LENGTH
    FLANGE POSITION
    PART #
    SUG. RETAIL
    1 1 / 4 ” ID (32mm)
    2 7 / 16 ” ID (62mm)
    3”
    3”
    Centered
    RU-6
    $64.95
    3 1 / 2
    4”
    Centered
    RU-80
    $56.95
    1 11 / 16 ” ID (43mm)
    3 1 / 2
    5”
    Centered
    RU-81
    60.95
    3”
    4”
    Centered
    RU-20
    59.95
    3 1 / 2
    6”
    Centered
    RU-82
    60.95
    3”
    5”
    Centered
    RU-0210
    55.95
    3 3 / 4
    4”
    Angled 20°/2” lg.
    RU-175
    56.95
    1 3 / 4 ” ID (44mm)
    3 3 / 4
    5”
    Angled 20°/2” lg.
    RU-176
    61.95
    3 1 / 2
    5”
    Centered
    RU-36
    61.95
    3 3 / 4
    6”
    Angled 20°/2” lg.
    RU-177
    57.95
    1 7 / 8 ” ID (48mm)
    5 1 / 2
    3”
    Offset
    RU-87
    77.95
    3”
    4”
    Centered
    RU-40
    59.95
    2 1 / 2 ” ID (63.5mm)
    3”
    4”
    Angled 10°
    RU-128
    56.95
    3 1 / 2
    4”
    Angled 5°
    RB-70
    58.95
    2 11 / 16 ” ID (52mm)
    3 1 / 2
    5”
    Angled 5°
    RB-71
    63.95
    3 1 / 2
    4”
    Centered
    RU-50
    61.95
    3 1 / 2
    5”
    Centered
    1011-1583
    60.95
    3 1 / 2
    6”
    Centered
    RU-52
    69.95
    3 1 / 2
    6”
    Angled 5°
    RB-72
    60.95
    3 1 / 2
    6”
    Angled 10°
    RU-107
    69.95
    2 3 / 4 ” ID (70mm)
    3 1 / 2
    5”
    Angled 17°
    RU-178
    64.95
    4”
    5”
    Angled 10°
    RU-146
    61.95
    2 1 / 8 ” ID (54mm)
    4”
    6”
    Angled 10°
    RU-147
    66.95
    3 1 / 2
    4”
    Angled 5°
    RB-50
    61.95
    4”
    7”
    Angled 10°
    RU-148
    64.95
    2 1 / 4 ” ID (57mm)
    2 11 / 16 ” ID (68mm)
    3 1 / 2
    4”
    Centered
    RU-60
    57.95
    4 1 / 2
    4”
    Centered
    RU-90
    67.95
    3 1 / 2
    5”
    Centered
    RU-61
    63.95
    2 7 / 8 ” ID (73mm)
    3 1 / 2
    6”
    Centered
    RU-62
    60.95
    4”
    6”
    Centered
    RU-162
    62.95
    3 1 / 2
    6”
    Angled 10°
    RU-109
    60.95
    3” ID (76mm)
    3 1 / 2
    4”
    Angled 20°
    RU-170
    61.95
    4 1 / 2
    4”
    Angled 5°
    RB-0900
    59.95
    3 1 / 2
    5”
    Angled 20°
    RU-171
    63.95
    4 1 / 2
    5”
    Angled 5°
    RB-0910
    62.95
    3 1 / 2
    6”
    Angled 20°
    RU-172
    63.95
    5”
    5”
    Centered
    RU-2430
    70.95
    5 1 / 2
    2 1 / 2
    Offset
    RU-65
    68.95
    UNIVERSAL ROUND TAPERED TYPE
    MOUNTING FLANGE
    FILTER
    FLANGE
    SUG.
    MOUNTING FLANGE
    FILTER
    FLANGE
    SUG.
    ID
    END CAP SIZE LENGTH
    POSITION
    PART #
    RETAIL
    ID
    END CAP SIZE LENGTH
    POSITION
    PART #
    RETAIL
    1 3 / 8 ” (35mm)
    2” x 2 1 / 2
    2 1 / 4
    Centered
    RC-79
    $41.95
    1 15 / 16 ” (49mm)
    2” x 3”
    3”
    Centered
    RC-106
    $35.95
    1 9 / 16 ” (40mm)
    2” x 3”
    3”
    Centered
    RC-231
    66.95
    2 1 / 16 ” (52.5mm)
    2” x 3 1 / 2
    4”
    Centered
    RC-120
    63.95
    1 11 / 16 ” (43mm)
    2” x 3”
    2 3 / 4
    Centered
    RC-107
    69.95
    2 1 / 8 ” (55mm)
    2” x 3”
    3”
    Centered
    RC-233
    68.95
    1 13 / 16 ” (46mm)
    2” x 3”
    3”
    Centered
    RC-232
    68.95
    2 1 / 8 ” (55mm)
    2” x 3”
    2 3 / 4
    Centered
    RC-234
    68.95
    1 7 / 8 ” (48mm)
    2” x 3”
    3”
    Centered
    RC-109
    68.95
    2 1 / 4 ” (57mm)
    2” x 3 1 / 2
    4”
    Centered
    RC-125
    64.95
    1 7 / 8 ” (48mm)
    2” x 3”
    3 11 / 16
    Angled 10°
    RC-129
    65.95
    2 3 / 4 ” (70mm)
    3 18 / 25 ” x 5.03” 5 1 / 2
    Centered
    1011-2003
    78.95
    UNIVERSAL PRECHARGERS
    FILTER SIZE
    P ART  #
    SUG. RETAIL
    FILTER SIZE
    P ART  #
    SUG. RETAIL
    FILTER SIZE
    P ART  #
    SUG. RETAIL
    3 1 / 2 ” base x 2” top x 4” L
    RC-1200PK
    $24.95
    3 1 / 2 ” base x 3 1 / 2 ” top x 5” L
    RU-0510PK
    $26.95
    3 3 / 4 ” base x 4 1 / 2 ” top x 7” L
    RU-1240PK
    $34.95
    6” base x 4 5 / 8 ” top x 9” L
    RE-0810PK
    38.95
    3 1 / 2 ” base x 3 1 / 2 ” top x 6” L
    RU-0520PK
    27.95
    4” base x 4” top x 5” L
    RU-1460PK
    27.95
    3” base x 3” top x 5” L
    RU-0210PK
    25.95
    3 3 / 4 ” base x 4 1 / 2 ” top x 6” L
    RU-1230PK
    34.95
    4” base x 4” top x 6” L
    RU-1470PK
    28.95
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 6 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2018 PARTS UNLIMITED STREET