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The LEGO Parts Guide
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Technic
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Connector
Other Connector
(40 parts)
Other connectors with a more complex shape.
Other Connector
(40 parts)
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All Parts
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Scale
Label
Table
Part Name
(Part Number)
Overall
Rank
# Pieces
(Rank)
# Sets
(Rank)
# Colors
(Rank)
Years
Produced
Bush
3713
112
14630
59
1919
82
8
1333
1977-2026
50 years
½ Bush
32123
96
15944
52
2037
76
9
1176
1980-2026
47 years
2L Axle Connector
59443
100
9187
83
1506
121
20
372
2006-2026
21 years
3L Axle Connector
42195
476
1704
371
294
581
11
935
2016-2026
11 years
2L Pin Connector
62462
99
6373
120
1492
123
30
152
1995-2026
32 years
5⅓ Spiral Staircase Connector
40244
1268
207
1224
83
1277
6
1827
2001-2024
24 years
Axle & Pin w/ Extension
53586
1476
172
1356
70
1400
4
2642
2006-2026
21 years
2L Axle & Pin, Perpendicular
6536
118
8705
87
1014
179
26
220
1993-2026
34 years
3L Axle & 2-Pin Hole
42003
226
4581
165
696
273
17
496
2002-2026
25 years
3L 1-Axle & 1-Pin
32068
1201
227
1168
78
1314
8
1362
1998-2019
22 years
R
3L 2-Axle & Center Pin
32184
239
3697
203
686
276
19
416
1999-2026
28 years
1×2 Beam w/ Bar, 45°
85940
1446
222
1181
100
1141
2
4021
2009-2026
18 years
1×2 Beam w/ Axle, Side
7244
2948
57
2238
10
3675
3
3278
2025-2026
2 years
N
1-Axle & Double Pin
32291
345
1754
357
438
430
22
317
2000-2026
27 years
1-Axle & 3-Pin
63869
561
1549
405
307
559
6
1785
2009-2026
18 years
4L Axle & Double Pin
98989
2144
93
1805
40
1867
2
4067
2012-2025
14 years
3-Pin, L-Shape
44809
819
444
829
150
906
12
849
2003-2026
24 years
2×4 2-Axle & 2-Pin
80910
3662
18
3687
14
3201
2
4313
2021-2026
6 years
Split Axle & 2-Pin
69819
398
1538
406
439
428
14
667
2002-2026
25 years
2×2×2 Axle & Pin, Split
92907
829
642
666
214
718
5
2190
2011-2026
16 years
2L Axle w/ Axle Hole (Pole Reverser Handle)
6553
331
1877
343
685
277
15
598
1993-2026
34 years
2×3 4-Axle Connector
11272
2117
77
1974
51
1653
2
4079
2013-2026
14 years
Axle & Axle Connector
42135
168
4434
171
1004
182
26
224
1997-2026
30 years
2-Axle Connector, Rubber
45590
991
672
643
258
631
1
5471
2003-2026
24 years
Toggle Dbl. w/ 2-Pins
48496
1818
108
1670
55
1562
3
3223
2004-2026
23 years
Toggle Db. w/ Axles & Pins
87408
1423
218
1190
109
1090
2
4022
2010-2026
17 years
Toggle Joint Connector
32126
601
1025
505
223
696
10
1050
1980-2026
47 years
3L Double Pin
65098
572
879
551
335
527
9
1189
1999-2026
28 years
3L Pin, 2-Pins & 1-Pin Hole
15461
986
560
726
157
885
3
3167
2014-2026
13 years
1×3 Cross Block w/ 2-Pins, 3-Pin Holes
2393
1709
194
1268
54
1579
2
4028
2023-2026
4 years
N
3L H-Shaped Connector w/ 4-Pins
65489
742
1306
448
322
544
2
3988
2004-2026
23 years
1×3 Double Pin w/ 2-Clips
19159
1880
132
1523
52
1626
2
4046
2004-2023
20 years
3×3 L-Shaped Connector w/ 4-Pins
55615
1280
391
882
99
1145
2
4002
2006-2026
21 years
2×2 Liftarm w/ Cutout, Axle Holes
72008
2918
34
2831
18
2836
3
3352
2021-2025
5 years
3L w/ 2-Pin Holes
32557
701
581
705
188
783
13
761
2000-2026
27 years
3×3 Round Connector
98585
770
503
780
167
844
12
847
2012-2026
15 years
31mm D. × 15mm w/ 7-Pin Holes
60208
606
638
670
202
739
18
466
1986-2026
41 years
2L Pin Connector, Ridged
6538
323
2403
291
431
437
20
380
1993-2014
22 years
R
3×3 Connector w/ Axle, 3-Pin Holes
32175
1182
188
1288
59
1512
14
709
1999-2012
14 years
R
Axle and Pin Connector
3651
996
1237
459
137
948
1
5465
1977-2003
27 years
R