Inventory for 8421-1: Mobile Crane

This set inventory has been obtained from LEGO Customer Services replacement parts page. It may not be complete or accurate. The right-hand column indicates whether the piece may be available from LEGO Customer Services.

Important note: We do not control this inventory and cannot currently make changes to it. Use it as a guide to the contents of the set, or to find out part numbers when requesting replacements.

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Part Image Qty Colour Category Design Part name In sets Introduced in
4111998 2 Black Beams 32009 Double Angular Beam 3X7 45° 100 1997
4112282 3 Black Beams 6629 Technic Angular Beam 4X6 92 1996
4120017 2 Black Beams 32140 Technic Ang. Beam 4X2 90 Deg 189 1999
4128603 6 Black Beams 32278 Technic 15M Beam 52 2000
4142135 1 Black Beams 32316 Technic 5M Beam 174 2000
4142823 8 Black Beams 32526 Technic Ang. Beam 3X5 90 Deg. 102 2000
4154767 2 Black Beams 40490 Technic 9M Beam 70 2001
4177444 2 Black Beams 43857 Technic 2M Beam 64 2002
4522933 14 Black Beams 41239 Technic 13M Beam 57 2005
4121667 28 Black Beams, Special 32184 Double Cross Block 158 1999
4140430 2 Black Beams, Special 32291 Technic Cross Block 2X1 112 2000
4163139 2 Black Beams, Special 41672 Bion. Head, Bottom 20 2002
4173668 17 Black Beams, Special 6536 Cross Block 90° 224 1999
4107558 2 Black Bricks And Beams, Special Ø 4,85 32018 Technic Brick 1X14, Ø4,9 81 1997
370526 34 Black Connectors 3705 Cross Axle 4M 771 1990
370626 5 Black Connectors 3706 Cross Axle 6M 634 1990
370726 7 Black Connectors 3707 Cross Axle 8M 430 1990
370826 2 Black Connectors 3708 Cross Axle 12M 300 1993
373726 5 Black Connectors 3737 Cross Axle 10M 375 1990
655826 158 Black Connectors 6558 Connector Peg W. Friction 3M 382 1994
4107081 2 Black Connectors 32039 Catch W. Cross Hole 278 1997
4107082 2 Black Connectors 32016 Angle Element, 157,5 Degr. [3] 117 1997
4107084 2 Black Connectors 32015 Angle Element, 112,5 Degr. [5] 109 1997
4107085 1 Black Connectors 32013 Angle Element, 0 Degrees [1] 296 1997
4107765 2 Black Connectors 6553 Catch 153 1997
4107783 5 Black Connectors 32034 Angle Element, 180 Degrees [2] 185 1997
4113805 15 Black Connectors 6538 Cross Axle, Extension M/3 Ribs 105 1997
4119589 1 Black Connectors 32138 Module Bush 179 1999
4121715 200 Black Connectors 2780 Connector Peg W. Friction 1259 1993
4140801 4 Black Connectors 32054 2M Fric. Snap W/Cross Hole 275 1997
4177421 17 Black Connectors 6590 Bush For Cross Axle 18 2002
4233937 1 Black Connectors 50450 Cross Axle 32M 17 2004
4526982 2 Black Connectors 62462 Tube W/Double Ø4.85 124 2005
4177239 1 Black Electric Parts 42908 Gm: Assembly 5 2002
4520872 1 Black Functional Elements 50163 Turntable Ø4.85 11 2005
471626 1 Black Functional Elements, Gear Wheels And Racks 4716 Worm 69 1990
4255563 1 Black Functional Elements, Gear Wheels And Racks 32498 Double Conical Wheel Z36 26 2005
4114295 1 Black Half Beams 32065 Technic 7M Half Beam 41 1998
4128557 6 Black Half Beams 32250 Halfbeam Curve 3X5 59 2000
4142543 14 Black Half Beams 2905 Triangle 65 1997
4164133 2 Black Half Beams 41677 Technic Lever 2M 125 2002
4240081 4 Black Half Beams 32251 Halfbeam Curve 5X7 5 2004
4156980 4 Black Half Beams, Special 33299 2X1X3 Steering Knuckle Arm 16 2001
243126 1 Black Plates 2431 Flat Tile 1X4 331 1994
366626 1 Black Plates 3666 Plate 1X6 437 1991
447726 2 Black Plates 4477 Plate 1X10 179 1994
244426 2 Black Plates, Special 2444 Technic Bearing Plate 2X2 124 1994
4114689 4 Black Plates, Special 32124 Technic Rotor, 2 Blades 38 1998
4144023 2 Black Plates, Special 32529 T-Beam W. Plate 1X2 W. Knob 41 2001
403226 3 Black Plates, Special Circles And Angles 4032 Plate 2X2 Round 300 1994
4278359 3 Black Plates, Special Circles And Angles 2654 Slide Shoe Round 2X2 147 1998
4528332 2 Black Rubbers And Strings 63142 String W. Knobs 30 M 11 2005
70644 1 Black Transportation Means, Accessories 70644 Technic Crane Hook 11 1994
4156948 2 Black Tyres And Rims For/To Snap Ø4,85 W. Cross 30155 Wheel Hub W. Spokes Ø17 3 2001
4235705 8 Black Tyres And Rims For/To Snap Ø4,85 W. Cross 75999 Tyre Ø 62,4X20 2 2004
4494225 2 Black Tyres And Rims, Special 4185 Wedge-Belt Wheel Ø24 3 2004
4158923 6 Br.Blue Beams 32526 Technic Ang. Beam 3X5 90 Deg. 35 2002
4168114 3 Br.Blue Beams 32140 Technic Ang. Beam 4X2 90 Deg 31 2002
4185665 2 Br.Blue Beams 43857 Technic 2M Beam 2 2005
4206482 106 Br.Blue Connectors 43093 Conn.Bush W.Fric./Crossale 851 1991
4240084 14 Br.Blue Half Beams 32056 Technic Lever 3X3M, 90° 5 2004
4142865 24 Br.Red Connectors 32062 2M Cross Axle W. Groove 654 1991
4270473 1 Br.Red Connectors 6641 Technic Change-Over Catch 27 2005
4278957 1 Br.Red Connectors 6539 Driving Ring 27 2005
4186678 12 Br.Red Half Beams 41677 Technic Lever 2M 63 2003
4111996 1 Br.Yel Beams 32009 Double Angular Beam 3X7 45° 38 1997
4141628 6 Br.Yel Beams 32140 Technic Ang. Beam 4X2 90 Deg 32 2000
4142133 18 Br.Yel Beams 32316 Technic 5M Beam 41 2000
4144022 4 Br.Yel Beams 32526 Technic Ang. Beam 3X5 90 Deg. 29 2001
4153707 7 Br.Yel Beams 32523 Technic 3M Beam 50 2002
4187122 2 Br.Yel Beams 43857 Technic 2M Beam 18 2003
4187136 4 Br.Yel Beams 40490 Technic 9M Beam 37 2003
4188311 3 Br.Yel Beams 6629 Technic Angular Beam 4X6 15 2003
4194915 3 Br.Yel Beams 32271 Technic Angular Beam 3X7 6 2003
4237445 8 Br.Yel Beams 32278 Technic 15M Beam 3 2005
4495934 10 Br.Yel Beams 32524 Technic 7M Beam 34 2003
4522935 7 Br.Yel Beams 41239 Technic 13M Beam 21 2005
4534912 3 Br.Yel Beams 64290 Misentry 3 2005
4173666 34 Br.Yel Beams, Special 6536 Cross Block 90° 35 1999
4175441 3 Br.Yel Beams, Special 42003 Cross Block 3M 28 2003
4181143 4 Br.Yel Bricks 44237 Brick 2X6 127 1998
370124 4 Br.Yel Bricks And Beams, Special Ø 4,85 3701 Technic Brick 1X4, Ø4,9 42 1994
370224 4 Br.Yel Bricks And Beams, Special Ø 4,85 3702 Technic Brick 1X8 24 1995
370324 16 Br.Yel Bricks And Beams, Special Ø 4,85 3703 Brick 1X16, Ø4,9 19 1995
389424 4 Br.Yel Bricks And Beams, Special Ø 4,85 3894 Technic Brick 1X6, Ø4,9 39 1995
654124 2 Br.Yel Bricks And Beams, Special Ø 4,85 6541 Technic Brick 1X1 47 1994
4190417 6 Br.Yel Bricks And Beams, Special Ø 4,85 2744 Wing Section, Rear 5 2002
4195727 5 Br.Yel Bricks And Beams, Special Ø 4,85 32018 Technic Brick 1X14, Ø4,9 3 2003
4233484 2 Br.Yel Bricks And Beams, Special Ø 4,85 32064 Brick 1X2 With Cross Hole 38 2002
4160333 4 Br.Yel Bricks, Special Circles And Angles 41767 Right Brick 2X4 W/Angle 15 2002
4160348 4 Br.Yel Bricks, Special Circles And Angles 41768 Left Brick 2X4 W/Angle 15 2002
4107066 12 Br.Yel Connectors 32013 Angle Element, 0 Degrees [1] 46 1997
4107800 6 Br.Yel Connectors 32039 Catch W. Cross Hole 41 1997
4140805 29 Br.Yel Connectors 32054 2M Fric. Snap W/Cross Hole 9 1999
4239601 4 Br.Yel Connectors 32123 1/2 Bush 198 2004
4203493 4 Br.Yel Functional Elements, Gear Wheels And Racks 32072 Technic Angular Wheel 39 2003
74720 1 Br.Yel Functional Elements, Others 74720 Pumpcylinder 15 1995
4205293 2 Br.Yel Functional Elements, Others 47225 Doubleacting Cylinder 6 M 5 2003
4267463 2 Br.Yel Functional Elements, Others 53178 Cylinder Connector 2 2005
4107823 2 Br.Yel Half Beams 6632 Technic Lever 3M 53 1996
4114672 1 Br.Yel Half Beams 32065 Technic 7M Half Beam 17 1998
4199345 4 Br.Yel Half Beams 32449 Lever 1X4, Without Notch 19 2003
4187125 2 Br.Yel Half Beams, Special 41678 Technic Cross Block/Fork 2X2 8 2003
4153120 2 Br.Yel Modelling Elements 30622 Bumper 1X4X7,6 W/Doub/Snap 7 2001
242024 2 Br.Yel Plates 2420 Corner Plate 1X2X2 88 1994
243124 2 Br.Yel Plates 2431 Flat Tile 1X4 147 1994
302124 1 Br.Yel Plates 3021 Plate 2X3 213 1993
302224 3 Br.Yel Plates 3022 Plate 2X2 283 1993
302324 13 Br.Yel Plates 3023 Plate 1X2 351 1993
303424 1 Br.Yel Plates 3034 Plate 2X8 78 1995
306924 4 Br.Yel Plates 3069 Flat Tile 1X2 187 1994
346024 6 Br.Yel Plates 3460 Plate 1X8 83 1994
362324 6 Br.Yel Plates 3623 Plate 1X3 114 1993
366624 10 Br.Yel Plates 3666 Plate 1X6 156 1993
371024 16 Br.Yel Plates 3710 Plate 1X4 277 1990
379424 2 Br.Yel Plates 3794 Plate 1X2 W. 1 Knob 137 1994
4189400 14 Br.Yel Plates 4162 Flat Tile 1X8 46 2002
4219766 1 Br.Yel Plates, Special 2817 Technic Doub. Bearing Pl. 2X2 2 2004
4112203 6 Br.Yel Transportation Means, Vehicles 2851 Plastic Motor, Piston 50 1998
4186017 2 Brick-Yel Connectors 6562 Connector Peg/Cross Axle 292 1997
4210667 32 Dk. St. Grey Beams 32140 Technic Ang. Beam 4X2 90 Deg 45 2004
4210668 8 Dk. St. Grey Beams 32009 Double Angular Beam 3X7 45° 36 2004
4210751 12 Dk. St. Grey Beams 32523 Technic 3M Beam 70 2004
4210757 11 Dk. St. Grey Beams 40490 Technic 9M Beam 17 2005
4210851 8 Dk. St. Grey Beams, Special 6536 Cross Block 90° 58 2004
4256828 2 Dk. St. Grey Bricks And Beams, Special Ø 4,85 3703 Technic Brick 1X16, Ø4,9 20 2003
4211096 4 Dk. St. Grey Bricks With Slope 3665 Roof Tile 1X2 Inv. 133 2002
4211050 12 Dk. St. Grey Connectors 32002 1 1/2 M Connecting Bush 219 1997
4211086 1 Dk. St. Grey Connectors 6587 Crossaxle 3M With Knob 268 1995
4508553 15 Dk. St. Grey Connectors 59426 Cross Axle 5,5 With Stop 1M. 241 2005
4211023 1 Dk. St. Grey Functional Elements, Gear Wheels And Racks 6573 Differentiale Gear Casing 21 2001
4237267 5 Dk. St. Grey Functional Elements, Gear Wheels And Racks 6542 Gear Wheel Z16-Ø4.9 33 2004
4535052 2 Dk. St. Grey Functional Elements, Gear Wheels And Racks 76244 Technic Coupling, Tight 2 2003
4237158 1 Dk. St. Grey Functional Elements, Others 47223 Welded Two-Way Valve 7 2004
4210980 6 Dk. St. Grey Half Beams 41677 Technic Lever 2M 51 2004
4210998 8 Dk. St. Grey Plates 3460 Plate 1X8 175 2003
4211061 1 Dk. St. Grey Plates 3035 Plate 4X8 123 2003
4211063 2 Dk. St. Grey Plates 3023 Plate 1X2 380 1991
4211115 1 Dk. St. Grey Plates 3032 Plate 4X6 183 2002
4211133 2 Dk. St. Grey Plates 3623 Plate 1X3 190 2003
4210987 2 Dk. St. Grey Transportation Means, Vehicles 2854 Plastic Motor, Crank 32 1993
4211651 24 Med. St-Grey Beams 32316 Technic 5M Beam 71 2004
4211655 2 Med. St-Grey Beams 32523 Technic 3M Beam 68 2004
4211668 2 Med. St-Grey Beams 32348 Technic Angular Beam 4X4 21 2005
4211713 11 Med. St-Grey Beams 32526 Technic Ang. Beam 3X5 90 Deg. 48 2003
4211770 19 Med. St-Grey Beams 32278 Technic 15M Beam 8 2004
4211862 1 Med. St-Grey Beams 43857 Technic 2M Beam 34 2004
4211866 1 Med. St-Grey Beams 40490 Technic 9M Beam 43 2004
4495930 29 Med. St-Grey Beams 32524 Technic 7M Beam 64 2002
4522934 2 Med. St-Grey Beams 41239 Technic 13M Beam 25 2005
4534910 6 Med. St-Grey Beams 64290 Misentry 3 2005
4211621 7 Med. St-Grey Beams, Special 32184 Double Cross Block 83 2003
4211775 18 Med. St-Grey Beams, Special 6536 Cross Block 90° 109 1997
4211779 19 Med. St-Grey Beams, Special 42003 Cross Block 3M 66 2004
4225033 14 Med. St-Grey Beams, Special 48989 Beam 3 M. W/4 Snaps 127 2004
4205761 2 Med. St-Grey Bricks And Beams, Special Ø 4,85 32333 V-Engine Holder 17 2004
4211483 20 Med. St-Grey Connectors 4274 Connector Peg W. Knob 379 1991
4211543 27 Med. St-Grey Connectors 6538 Cross Axle, Extension M/3 Ribs 49 1995
4211550 8 Med. St-Grey Connectors 32013 Angle Element, 0 Degrees [1] 85 1997
4211567 2 Med. St-Grey Connectors 32034 Angle Element, 180 Degrees [2] 90 1997
4211573 30 Med. St-Grey Connectors 32123 1/2 Bush 374 1997
4211622 52 Med. St-Grey Connectors 6590 Bush For Cross Axle 407 1993
4211639 40 Med. St-Grey Connectors 32073 Cross Axle 5M 373 1995
4211709 13 Med. St-Grey Connectors 32556 3M Connector Peg 72 2003
4211805 30 Med. St-Grey Connectors 44294 Cross Axle 7M 246 2003
4211815 55 Med. St-Grey Connectors 4519 Cross Axle 3M 624 1995
4211865 17 Med. St-Grey Connectors 32054 2M Fric. Snap W/Cross Hole 109 2003
4211888 3 Med. St-Grey Connectors 32138 Module Bush 23 2003
4211432 11 Med. St-Grey Functional Elements, Gear Wheels And Racks 3647 Gear Wheel T=8, M=1 72 1993
4211434 1 Med. St-Grey Functional Elements, Gear Wheels And Racks 3650 Crown- And Gear Wheel Z24 41 1993
4211450 9 Med. St-Grey Functional Elements, Gear Wheels And Racks 3743 Toothed Bar M=1, Z=10 57 1995
4211510 1 Med. St-Grey Functional Elements, Gear Wheels And Racks 4716 Worm 71 2004
4211539 5 Med. St-Grey Functional Elements, Gear Wheels And Racks 6589 Conical Wheel Z12 45 1995
4211565 1 Med. St-Grey Functional Elements, Gear Wheels And Racks 3648 Gear Wheel T=24 47 1993
4211634 5 Med. St-Grey Functional Elements, Gear Wheels And Racks 32270 Double Conical Wheel Z12 1M 53 2004
4211635 5 Med. St-Grey Functional Elements, Gear Wheels And Racks 32269 Double Conical Wheel Z20 1M 35 2004
4211885 1 Med. St-Grey Functional Elements, Gear Wheels And Racks 32198 Bevel Gear Z20 15 2003
4211508 1 Med. St-Grey Functional Elements, Others 4697 T-Piece 125 2002
4211563 8 Med. St-Grey Functional Elements, Others 4019 Gear Wheel Z=16, M=1 25 1995
4211566 15 Med. St-Grey Half Beams 6632 Technic Lever 3M 69 1997
4211645 17 Med. St-Grey Half Beams 32449 Lever 1X4, Without Notch 20 2004
4211741 4 Med. St-Grey Half Beams 41677 Technic Lever 2M 68 2004
4503416 2 Med. St-Grey Half Beams 32017 Technic 5M Half Beam 27 1997
4211438 1 Med. St-Grey Plates 3666 Plate 1X6 223 1998
4211451 6 Med. St-Grey Plates 3794 Plate 1X2 W. 1 Knob 167 2002
4211379 6 Med. St-Grey Transportation Means, Vehicles 2852 Plastic Motor, Main Rod 20 2004
4211578 1 Med. St-Grey Transportation Means, Vehicles 2819 Steering Wheel Ø24 17 2004
4211609 2 Med. St-Grey Transportation Means, Vehicles 2853 Plastic Motor, Crank/Cross 34 2004
4234251 6 Med. St-Grey Transportation Means, Vehicles 2850 Plastic Motor, Cylinder 32 2004
4496707 8 Med. St-Grey Tyres And Rims For/To Snap Ø4,85 W. Cross 32020 Rim Ø 43,2 X 18 5 2004
4494222 3 Med. St-Grey Tyres And Rims, Special 4185 Wedge-Belt Wheel Ø24 63 1993
3005740 6 Tr. Plates, Special Circles And Angles 30057 Plate 1X1 Round 383 1994
611647 3 Tr. Fl.Redora Bricks, Special Circles And Angles 6116 Brick 2X2 Round Ii 26 1996
3005747 4 Tr. Fl.Redora Plates, Special Circles And Angles 30057 Plate 1X1 Round 203 1995
3005741 2 Tr. Red Plates, Special Circles And Angles 30057 Round Plate 1X1 - Tr. 744 1992