Heavy-Duty Excavator 42121-1

131 entries, grouped by color then part type, the way you'd sort the pile. Every part links to its own page so you can compare seller prices.

	Qty	Type	Part	Ref
(Not Applicable) · 1 pcs
	1×	Stickers	Sticker Sheet for Set 42121-1	72184
Black · 248 pcs
	4×	Bricks Sloped	Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate	61409
	1×	Bricks Sloped	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	54200
	1×	Hinges, Arms and Turntables	Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth	57360
	1×	Hinges, Arms and Turntables	Hinge Plate 1 x 2 Locking with 1 Finger on Side, without Groove	44567b
	1×	Plates	Plate 2 x 2	3022
	1×	Plates Special	Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573
	2×	Plates Special	Plate Special 1 x 2 with Pin Hole Underneath	18677
	6×	Technic Axles	Technic Axle 4	3705
	10×	Technic Beams	Technic Beam 1 x 2 Thin	41677
	2×	Technic Beams	Technic Beam 1 x 3 Thick	32523
	5×	Technic Beams	Technic Beam 1 x 5 Thick	32316
	2×	Technic Beams	Technic Beam 1 x 5 Thin with Axle Holes on Ends	11478
	4×	Technic Beams	Technic Beam 1 x 9 Bent (7 - 3) Thick	32271
	4×	Technic Beams	Technic Beam 1 x 9 Thick	40490
	2×	Technic Beams	Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick	71708
	2×	Technic Beams	Technic Beam 2 x 4 L-Shape Thick	32140
	5×	Technic Beams	Technic Beam 3 x 5 L-Shape Thick	32526
	6×	Technic Beams	Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin	32250
	4×	Technic Beams	Technic Beam Triangle Thin [Type II]	99773
	3×	Technic Beams	Technic Connector Beam 3 x 3	39793
	1×	Technic Bricks	Technic Brick 1 x 2 [2 Pin Holes]	32000
	1×	Technic Connectors	Technic Axle and Pin Connector Angled #1	32013
	3×	Technic Connectors	Technic Axle and Pin Connector Angled #2 - 180°	32034
	3×	Technic Connectors	Technic Axle and Pin Connector Angled #6 - 90°	32014
	8×	Technic Connectors	Technic Axle and Pin Connector Perpendicular	6536
	1×	Technic Connectors	Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	32184
	2×	Technic Connectors	Technic Axle and Pin Connector Perpendicular Triple	63869
	2×	Technic Connectors	Technic Axle and Pin Connector Toggle Joint Smooth	32126
	5×	Technic Connectors	Technic Pin Connector Round 1L [Beam]	18654
	4×	Technic Connectors	Technic Pin Connector Round [Slotted]	62462
	3×	Technic Gears	Technic Gear 12 Tooth Double Bevel	32270
	1×	Technic Gears	Technic Turntable Large Type 3 Top, 60 Tooth	18938
	12×	Technic Pins	Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle	18651
	38×	Technic Pins	Technic Pin with Friction Ridges Lengthwise and Center Slots	2780
	86×	Technic Special	Technic Link Tread with Beveled Edge	15379
	4×	Tiles Special	Tile Special 1 x 2 Grille with Bottom Groove	2412b
Blue · 77 pcs
	14×	Technic Pins	Technic Axle Pin with Friction Ridges Lengthwise	43093
	63×	Technic Pins	Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot	42924
Dark Bluish Gray · 51 pcs
	2×	Technic Axles	Technic Axle 4 with Stop	87083
	1×	Technic Axles	Technic Axle 5.5 with Stop [Rounded Short End]	59426
	5×	Technic Beams	Technic Beam 1 x 11 Thick	32525
	6×	Technic Beams	Technic Beam 1 x 15 Thick	32278
	20×	Technic Beams	Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole	60483
	1×	Technic Beams	Technic Beam 1 x 7 Thick	32524
	1×	Technic Connectors	Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder]	61904
	7×	Technic Connectors	Technic Pin Connector Hub with 1 Axle	22961
	1×	Technic Connectors	Technic Pin Connector Hub with 2 Axles	27940
	6×	Technic Gears	Technic Gear 8 Tooth [Reinforced]	10928
	1×	Technic Special	Technic Digger Bucket 4 x 7	24120
Light Bluish Gray · 83 pcs
	2×	Minifig Accessories	Equipment Hose Nozzle / Gun with Side String Hole Simplified	60849
	13×	Technic Axles	Technic Axle 3	4519
	1×	Technic Axles	Technic Axle 5	32073
	1×	Technic Axles	Technic Axle 9	60485
	1×	Technic Bushes	Technic Bush	3713
	5×	Technic Connectors	Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	32184
	4×	Technic Connectors	Technic Axle and Pin Connector Perpendicular Double Split	41678
	1×	Technic Connectors	Technic Axle and Pin Connector Perpendicular Split	92907
	4×	Technic Connectors	Technic Axle and Pin Connector Perpendicular Triple	63869
	3×	Technic Connectors	Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]	42195
	1×	Technic Connectors	Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)	65489
	5×	Technic Connectors	Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]	44874
	1×	Technic Connectors	Technic Pin Connector Round 1L [Beam]	18654
	4×	Technic Gears	Technic Gear 16 Tooth Reinforced [New Style]	94925
	1×	Technic Gears	Technic Turntable Large Type 3 Base	18939
	15×	Technic Pins	Technic Pin 1/2	4274
	6×	Technic Pins	Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	32054
	2×	Technic Special	Technic Linear Actuator Mini with Dark Bluish Gray Head and Orange Axle	92693
	4×	Technic Steering, Suspension and Engine	Technic Universal Joint 3L [Complete Assembly]	61903
	2×	Tiles	Tile 1 x 2 with Groove	3069b
	1×	Tiles Round and Curved	Tile Round 1 x 1	98138
Red · 32 pcs
	1×	Bricks Curved	Brick Curved 2 x 1 No Studs [1/2 Bow]	11477
	4×	Bricks Round and Cones	Cone 1 x 1 [Top Groove]	59900
	1×	Bricks Special	Brick Special 1 x 1 with Studs on 2 Sides	47905
	1×	Plates	Plate 1 x 3	3623
	4×	Plates Special	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580
	6×	Technic Axles	Technic Axle 2 Notched	32062
	1×	Technic Axles	Technic Axle 6	3706
	7×	Technic Pins	Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle	11214
	4×	Technic Pins	Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]	65304
	2×	Tiles	Tile 1 x 1 with Groove	3070b
Reddish Brown · 10 pcs
	10×	Technic Axles	Technic Axle 3 with Stop	24316
Tan · 14 pcs
	1×	Technic Gears	Technic Gear 12 Tooth Bevel	6589
	1×	Technic Gears	Technic Gear 20 Tooth Bevel	32198
	1×	Technic Gears	Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]	18575
	2×	Technic Pins	Technic Axle Pin without Friction Ridges Lengthwise	3749
	4×	Technic Pins	Technic Pin 3/4	32002
	4×	Technic Pins	Technic Pin Long without Friction Ridges, with Anti-Roll Notch	39888
Trans-Clear · 4 pcs
	1×	Technic Panels	Technic Panel Curved and Bent 6 x 3	24116
	2×	Tiles Round and Curved	Tile Round 1 x 1	98138
Trans-Orange · 2 pcs
	1×	Bars, Ladders and Fences	Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye	58176
White · 6 pcs
	4×	Plates Round Curved and Dishes	Plate Round 1 x 1 with Solid Stud	6141
	1×	Technic Beams	Technic Beam 1 x 9 Thick	40490
Yellow · 61 pcs
	4×	Bricks Curved	Brick Curved 2 x 2 x 2/3	15068
	1×	Plates	Plate 1 x 2	3023
	1×	Plates	Plate 1 x 4	3710
	1×	Plates	Plate 4 x 6	3032
	1×	Technic Axles	Technic Axle 7	44294
	2×	Technic Beams	Technic Beam 1 x 11 Thick	32525
	2×	Technic Beams	Technic Beam 1 x 11.5 Double Bent Thick	32009
	5×	Technic Beams	Technic Beam 1 x 3 Thick	32523
	2×	Technic Beams	Technic Beam 1 x 3 Thin	6632
	4×	Technic Beams	Technic Beam 1 x 6 Thin	32063
	4×	Technic Beams	Technic Beam 1 x 7 Thick	32524
	4×	Technic Beams	Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick	71708
	6×	Technic Beams	Technic Beam 2 x 4 L-Shape Thick	32140
	3×	Technic Beams	Technic Beam 3 x 5 L-Shape Thick	32526
	5×	Technic Bushes	Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced	32123b
	1×	Technic Connectors	Technic Axle Connector Smooth [with x Hole + Orientation]	59443
	5×	Technic Connectors	Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]	65487
	2×	Technic Connectors	Technic Pin Connector Perpendicular 2 x 2 Bent	44809
	3×	Technic Panels	Technic Panel Curved and Bent 6 x 3	24116
	1×	Technic Panels	Technic Panel Fairing # 3 Small Smooth Long, Side A	64683
	1×	Technic Panels	Technic Panel Fairing # 4 Small Smooth Long, Side B	64391
	1×	Technic Panels	Technic Panel Fairing #22 5L Small Smooth, Side A	11947
	1×	Tiles	Tile 2 x 4 with Groove	87079
Black · 248 pcs
	1×	Bricks Sloped	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (spare)	54200
	1×	Technic Connectors	Technic Pin Connector Round 1L [Beam] (spare)	18654
	2×	Technic Pins	Technic Pin with Friction Ridges Lengthwise and Center Slots (spare)	2780
	4×	Technic Special	Technic Link Tread with Beveled Edge (spare)	15379
Light Bluish Gray · 83 pcs
	1×	Minifig Accessories	Equipment Hose Nozzle / Gun with Side String Hole Simplified (spare)	60849
	1×	Technic Bushes	Technic Bush (spare)	3713
	1×	Technic Connectors	Technic Pin Connector Round 1L [Beam] (spare)	18654
	2×	Technic Pins	Technic Pin 1/2 (spare)	4274
	1×	Tiles Round and Curved	Tile Round 1 x 1 (spare)	98138
Red · 32 pcs
	1×	Tiles	Tile 1 x 1 with Groove (spare)	3070b
Tan · 14 pcs
	1×	Technic Pins	Technic Pin 3/4 (spare)	32002
Trans-Clear · 4 pcs
	1×	Tiles Round and Curved	Tile Round 1 x 1 (spare)	98138
Trans-Orange · 2 pcs
	1×	Bars, Ladders and Fences	Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye (spare)	58176
White · 6 pcs
	1×	Plates Round Curved and Dishes	Plate Round 1 x 1 with Solid Stud (spare)	6141
Yellow · 61 pcs
	1×	Technic Bushes	Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced (spare)	32123b