501 / 1490
x
X X
X
X
501
Legal in California ONLY for racing vehicles which may NEVER be used upon a highway.
UNIVERSAL AIR FILTER SPECIFICATIONS
D
esigned and manufactured for a wide variety of applications. Regardless of the angle, offset, or diameter of the air
intake, there is a
K&N
Universal Air Filter available for your equipment. Constructed with ultra-strong molded pliable
rubber flanges which absorb vibration and allow for secure attachment, and can also be stretched up to 1/8’’ (3mm)
to fit in-between sizes. Available in round, straight, tapered, and oval designs.
R or RU = Rubber Cap
RC = Chrome Cap
Mounting Flange Inside
Diameter
Filter Diameter
Filter Length
INCH
MM
INCH
MM
INCH
MM
FILTER
FLANGE
K&N #
WPS#
LIST
1 1/4
32
3
76
4
102
Straight
20° Angled
RU-0100
780100
$51.69
1
1
/2
38
3
76
2 1/2
64
Straight
Center
62-1450
62-0145
27.99
1
9
/16
40
3
76
2
51
Straight
Center
RC-0840
790840
64.69
1
1
1/16
43
3
76
4
102
Straight
Center
RU-0200
780200
54.39
1
1
1/16
43
3
76
5
127
Straight
Center
RU-0210
780210
50.39
1
11
/16
43
3
76
6
152
Straight
40° Angled
R-1030
771030
53.99
1
11
/16
43
4
102
2
51
Straight
Center
RU-0260
780260
55.69
1
3/
4
44
3 1/2
89
4 1/2
114
Straight
10° Angled
RU-1030
781030
55.69
1
3/
4
44
3 1/2
89
6
152
Straight
10° Angled
RU-1050
781050
56.99
1
3
/4
44
4
1
/2
114
1 1/2
38
Straight
Offset
RC-0330
790330
66.69
1
7
/8
48
3
76
4
102
Straight
Center
RU-0400
780400
54.39
2
51
5 3/8
137
2
51
Straight
Center
RC-2440
792440
75.39
2 1/16
52
3 1/2
89
6
152
Straight
Center
RU-0520
780520
57.69
2 1/16
52
3
1
/2
89
6
152
Straight
10° Angled
RU-1070
781070
57.69
2
1
/16
52
3
1
/2
89
5
127
Straight
17½° Angled
RU-1780
781780
53.39
2
1
/16
52
3
1
/2
89
4
102
Straight
Center
RU_0500
780500
55.99
2
1
/4
57
3
1
/2
89
4
102
Straight
Center
RU-0600
780600
51.99
2
1
/4
57
3
1
/2
89
5
127
Straight
Center
RU-0610
780610
57.69
2
1
/4
57
3
1
/2
89
4
102
Straight
5° Angled
RB-0600
790600
53.39
2
1
/4
57
3
1
/2
89
6
152
Straight
10° Angled
RU-1090
781090
54.99
2
1
/4
57
3
1
/2
89
6
152
Straight
5° Angled
RB-0620
790620
54.99
2
1
/4
57
3
1
/2
89
5
127
Straight
10° Angled
RU-1080
781080
57.69
2
1
/4
57
3
1
/2
89
6
152
Straight
20° Angled
RU-1720
781720
57.69
2
1
/4
57
5
1
/2
140
2 1/2
64
Straight
Offset
RU-0650
780650
61.99
2
1
/4
57
5
1
/2
140
3
76
Straight
Offset
RU-0660
780660
67.39
2
7
/16
62
3
1
/2
89
4
102
Straight
Center
RU-0800
780800
53.39
2
7
/16
62
3
1
/2
89
5
127
Straight
Center
RU-0810
780810
54.69
2
7
/16
62
3 3/4
95
5
127
Straight
20° Angled
RU-1760
781760
55.39
2
7
/16
62
4 1/2
114
4
102
Straight
Center
RU-0830
789830
57.99
2
7
/16
62
5
1
/8
130
2
51
Straight
Center
RC-0850
790850
77.39
2
7
/16
62
3
3
/4
95
4
102
Straight
20° Angled
RU-1750
781750
53.39
2
7
/16
62
3
3
/4
95
6
152
Straight
20° Angled
RU-1770
781770
54.99
2
7
/16
62
5 1/2
140
6
152
Straight
Offset
RU-1000
781000
76.39
2
1
/2
64
3 1/2
89
6
152
Straight
Center
RD-0720
780720
53.39
2
3
/4
70
4
102
6
152
Straight
20° Angled
RU-3190
783190
56.99
2
3
/4
70
4
102
7
178
Straight
10° Angled
RU-1480
781480
58.39
2
1
1/16
68
4 1/2
114
4
102
Straight
Center
RU-0900
780900
60.99
2
1
1/16
68
4 1/2
114
5
127
Straight
Center
RU-0910
780910
63.39
2
3
/4
70
5 1/8
130
2
51
Straight
Center
RC-0920
790920
81.69
3
1/
2
89
5
127
3
76
Straight
Center
RU-1790
781790
61.69
1
1/
8
29
2, 2 1/4
51,57
2 1/2
64
Tapered
Center
RC-2540
792540
43.39
1
3
/8
35
2, 2 1/2
51,64
2 1/4
57
Tapered
Center
RC-0790
790790
39.69
1 11/16
43
2, 3
51,76
2 3/4
70
Tapered
Center
RC-1070
791070
57.99
1 11/16
43
2, 3
51,76
4
102
Tapered
40° Angled
R-1100
781100
47.99
1 7/8
48
2, 3
51,76
3
76
Tapered
Center
RC-1090
791090
61.99
1
1
5/16
49
2, 3
51,76
3
76
Tapered
Center
RC-1060
791060
36.39
2
51
2, 3 1/8
51,79
3
76
Tapered
Center
RC-2580
792580
58.69
2
1
/8
54
2,3
51,76
2 3/4
70
Tapered
Center
RC-2340
792340
61.69
2
1/
4
57
2,3 1/2
51,89
4
102
Tapered
Center
R-1260
781260
52.99
2 3/4
70
2, 4
51,102
6
152
Tapered
10° Angled
RU-3120
783120
53.99
2 7/8
73
3,4
76,102
5
127
Tapered
Center
RC-2600
792600
63.69
1 11/16
43
4 1/2 x 7
114x178
2
51
Dual
Offset **
RC-2222
792222
125.39
1
7
/8
48
3
7
/8 x 6 1/8
98x156
3
76
Dual
7° Angled Offset
R-0990
780990
66.39
2 3/8
60
3
5
/8 x 7 3/8
92x187
3
76
Dual
Center
RU-2970
782970
65.39
1
3
/4
44
3
x
4
76x102
2 3/4
70
Oval
Offset
RU-2450
792450
63.99
2
51
3 x 4
76x102
2 3/4
70
Oval
Offset
RU-1820
781820
52.69
2 1/8
54
3 x 4
76x102
2 3/4
70
Oval
Offset
RC-0981
790981
60.99
2 1/4
57
3 3/4 x 4 1/2
95x114
2
51
Oval
Center
R-1390
781390
64.69
2 7/16
62
3 3/4 x 4 1/2
95x114
7
178
Oval
20° Angled
RU-1390
791390
64.69
2 7/16
62
3 3/4 x 4 1/2
95x114
7
178
Oval
Center
RU-1810
781810
60.99
2 7/16
62
3 3/4 x 4 1/2
94x114
5
127
Oval
10° Angled
RU-1220
781220
61.99
2 7/16
62
3 3/4 x 4 1/2
95x114
7
178
Oval
10° Angled
RU-1240
781240
67.99
2 1/2
64
3 3/4 x 4 1/2
95x114
7
178
Oval
10° Angled
RU-1830
781830
67.99
2
3
/4
70
4
x
6 1/4
102x159
5
127
Oval
10° Angled
RU-1530
781530
72.99
AIR FILTERS
TIRES
WHEELS
WHEELKITS
TIREACC.
WINCH
PLOW
TOWING /FARM
UTVCAB /ACC.
AUDIO
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
FUEL /
AIRSYSTEMS
AIRFILTERS
OIL FILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHINESE
VEHICLEPARTS
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /STRAPS
PROMOTIONAL
REFERENCE
INDEX