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K&N Oval Tapered Universal Air Filters
Basket
Part
Flange Inside Dia. (F)
Length (L)
Base Outside Dim. (MA)
Base Outside Dim. (SA)
Top Outside Dim. (MA)
Top Outside Dim. (SA)
Top Style
Flange Length (FL)
Flange Angle (FA)
Flange Offset
RC-2450
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
2.875 in (73 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-2452
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
2.875 in (73 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-2454
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
2.875 in (73 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-2450
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-2452
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-2454
1.75 in (44 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-1820
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-1822
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RU-1824
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-1820
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-1822
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-1824
2 in (51 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-2774
2 in (51 mm)
5 in (127 mm)
3.943 in (100 mm)
2.75 in (70 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-2770
2 in (51 mm)
5 in (127 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.5 in (13 mm)
RC-0981
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-0982
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-0983
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-0984
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-0981
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-0982
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-0983
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-0984
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-3000
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-3010
2.125 in (54 mm)
2.75 in (70 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2810
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2814
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2980
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
2.875 in (73 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2989
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-2810
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-2814
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-2890
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-2900
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-2914
2.125 in (54 mm)
4 in (102 mm)
4 in (102 mm)
3 in (76 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2750
2.125 in (54 mm)
5 in (127 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RU-2754
2.125 in (54 mm)
5 in (127 mm)
4 in (102 mm)
3 in (76 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0.438 in (11 mm)
RC-70032
2.375 in (60 mm)
4.406 in (112 mm)
5.188 in (132 mm)
4.5 in (114 mm)
3.5 in (89 mm)
3.313 in (84 mm)
Metal
0.75 in (19 mm)
0 degrees
0.625 in (16 mm)
RU-2780
2.438 in (62 mm)
2.75 in (70 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0 in (0 mm)
RU-3780
2.438 in (62 mm)
3.5 in (89 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
0.625 in (16 mm)
0 degrees
0 in (0 mm)
SN-2540
2.438 in (62 mm)
5 in (127 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
1.25 in (32 mm)
20 degrees
0 in (0 mm)
SN-2550
2.438 in (62 mm)
6 in (152 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
1.25 in (32 mm)
20 degrees
0 in (0 mm)
RE-0960
2.438 in (62 mm)
6 in (152 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Metal
0.625 in (16 mm)
0 degrees
0 in (0 mm)
RC-3680
2.438 in (62 mm)
6 in (152 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.625 in (16 mm)
0 degrees
0 in (0 mm)
SN-2560
2.438 in (62 mm)
7 in (178 mm)
4.5 in (114 mm)
3.75 in (95 mm)
3.5 in (89 mm)
2.5 in (64 mm)
Rubber
1.25 in (32 mm)
20 degrees
0 in (0 mm)
RC-70050
2.469 in (63 mm)
5.5 in (140 mm)
4.531 in (115 mm)
4.125 in (105 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
2.281 in (58 mm)
9 degrees
0 in (0 mm)
RC-70040
2.563 in (65 mm)
5.5 in (140 mm)
4.938 in (125 mm)
3.5 in (89 mm)
3 in (76 mm)
2 in (51 mm)
Metal
0.906 in (23 mm)
0 degrees
0 in (0 mm)
RX-5090
2.75 in (70 mm)
5.563 in (141 mm)
4.75 in (121 mm)
3.75 in (95 mm)
4 in (102 mm)
4 in (102 mm)
X-Stream
0.813 in (21 mm)
0 degrees
0 in (0 mm)
RX-4750
3 in (76 mm)
6.5 in (165 mm)
8 in (203 mm)
6 in (152 mm)
5 in (127 mm)
5 in (127 mm)
X-Stream
1.875 in (48 mm)
0 degrees
0 in (0 mm)
RU-4190
3.5 in (89 mm)
5 in (127 mm)
6 in (152 mm)
6 in (152 mm)
4.5 in (114 mm)
3.75 in (95 mm)
Rubber
1.75 in (44 mm)
0 degrees
0 in (0 mm)
RC-5040
3.5 in (89 mm)
5.5 in (140 mm)
8.5 in (216 mm)
5.25 in (133 mm)
6.25 in (159 mm)
4 in (102 mm)
Metal
0.75 in (19 mm)
0 degrees
0 in (0 mm)
RC-4400
3.5 in (89 mm)
6 in (152 mm)
5.75 in (146 mm)
5.75 in (146 mm)
4.5 in (114 mm)
3.25 in (83 mm)
Metal
1.75 in (44 mm)
10 degrees
0 in (0 mm)
RF-1033
3.5 in (89 mm)
7 in (178 mm)
5.75 in (146 mm)
5.75 in (146 mm)
4.5 in (114 mm)
3.25 in (83 mm)
Metal
1.75 in (44 mm)
10 degrees
0 in (0 mm)
RC-1601
3.875 in (98 mm)
5 in (127 mm)
7.25 in (184 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.344 in (85 mm)
Metal
1.438 in (37 mm)
0 degrees
0 in (0 mm)
RC-70031
3.875 in (98 mm)
6.344 in (161 mm)
7 in (178 mm)
5.438 in (138 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.5 in (38 mm)
0 degrees
0 in (0 mm)
RC-1681
3.906 in (99 mm)
4.875 in (124 mm)
7.031 in (179 mm)
5.469 in (139 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.468 in (37 mm)
0 degrees
0 in (0 mm)
RC-5055
3.906 in (99 mm)
6.625 in (168 mm)
7.5 in (191 mm)
5.469 in (139 mm)
4.5 in (114 mm)
4.5 in (114 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-70030
3.906 in (99 mm)
6.625 in (168 mm)
7.531 in (191 mm)
5.469 in (139 mm)
4.5 in (114 mm)
4.5 in (114 mm)
Metal
1.469 in (37 mm)
0 degrees
0 in (0 mm)
RC-70002
3.906 in (99 mm)
8.063 in (205 mm)
7.5 in (191 mm)
5.5 in (140 mm)
4.5 in (114 mm)
3.313 in (84 mm)
Metal
1.5 in (38 mm)
0 degrees
0 in (0 mm)
RC-5148
4 in (102 mm)
4 in (102 mm)
9 in (229 mm)
5.75 in (146 mm)
7 in (178 mm)
4.5 in (114 mm)
Metal
1.5 in (38 mm)
0 degrees
0 in (0 mm)
RC-5129
4 in (102 mm)
5.313 in (135 mm)
7 in (178 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-1680
4 in (102 mm)
6.344 in (161 mm)
7.5 in (191 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-1605
4 in (102 mm)
6.406 in (163 mm)
7 in (178 mm)
5.5 in (140 mm)
4.531 in (115 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-5056
4 in (102 mm)
6.406 in (163 mm)
7 in (178 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RF-1034
4 in (102 mm)
7.5 in (191 mm)
9 in (229 mm)
5.75 in (146 mm)
7 in (178 mm)
4.5 in (114 mm)
Metal
0.625 in (16 mm)
0 degrees
0 in (0 mm)
RF-1040
4 in (102 mm)
7.5 in (191 mm)
9 in (229 mm)
5.75 in (146 mm)
7 in (178 mm)
4.5 in (114 mm)
Metal
1.5 in (38 mm)
0 degrees
0 in (0 mm)
RC-5126
4 in (102 mm)
8.063 in (205 mm)
7.5 in (191 mm)
5.375 in (137 mm)
4.5 in (114 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-1677
4 in (102 mm)
8.063 in (205 mm)
7.5 in (191 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RC-5102
4 in (102 mm)
8.938 in (227 mm)
9.5 in (241 mm)
6.75 in (171 mm)
9 in (229 mm)
5.5 in (140 mm)
Metal
1.875 in (48 mm)
0 degrees
1.5 in (38 mm)
RC-5132
4.375 in (111 mm)
6.5 in (165 mm)
7.5 in (191 mm)
5.5 in (140 mm)
4.5 in (114 mm)
3.313 in (84 mm)
Metal
1.5 in (38 mm)
0 degrees
0 in (0 mm)
RC-5152
4.375 in (111 mm)
6.5 in (165 mm)
7.5 in (191 mm)
5.375 in (137 mm)
4.438 in (113 mm)
3.313 in (84 mm)
Metal
1.375 in (35 mm)
0 degrees
0 in (0 mm)
RF-1024
4.5 in (114 mm)
10 in (254 mm)
9.25 in (235 mm)
6.25 in (159 mm)
7 in (178 mm)
4.5 in (114 mm)
Metal
0.625 in (16 mm)
0 degrees
0 in (0 mm)
RF-1021
4.5 in (114 mm)
8 in (203 mm)
5.875 in (149 mm)
5.875 in (149 mm)
4.5 in (114 mm)
3.25 in (83 mm)
Metal
0.625 in (16 mm)
0 degrees
0 in (0 mm)
RC-5047
4.75 in (121 mm)
5.125 in (130 mm)
8 in (203 mm)
5.625 in (143 mm)
6.219 in (158 mm)
3.969 in (101 mm)
Metal
1 in (25 mm)
0 degrees
0 in (0 mm)
RF-1002
6 in (152 mm)
3.25 in (83 mm)
8.25 in (210 mm)
6.25 in (159 mm)
7 in (178 mm)
4.5 in (114 mm)
Metal
1 in (25 mm)
0 degrees
0 in (0 mm)
RC-3160
6 in (152 mm)
5 in (127 mm)
8.25 in (210 mm)
6.25 in (159 mm)
6.25 in (159 mm)
4 in (102 mm)
Metal
1 in (25 mm)
0 degrees
0 in (0 mm)