4.5
(19.089)

LEGO® Set 42121 - "Heavy Duty Excavator" includes the following parts and minifigures

Quick result

Three ways to quickly find your LEGO® part. Choose one of the 3 options.
1

Search

You can find the LEGO® part number at the back of the construction manual.
LEGO® part
2

Show

If you are looking for one or more parts from a LEGO® set, this is the best search option.
parts of LEGO® set
3

Choose

Choose a category to refine your search. Further refine with sub-categories, color and/or dimensions.
a category
Filter
Use the categories or color options below to refine the number of parts found. Depending on the category, you can filter with a sub-category or a size option.

116 products found

Search

Color

LEGO® 4274194 Technic Pin 1/2
NZ$0.21
17x needed
  • LEGO Technic Pin 1/2
Add to Cart
View or order
LEGO® 4309323 Technic, Axle Pin with Friction Ridges Lengthwise
NZ$0.20
14x needed
  • LEGO Technic, Axle Pin with Friction Ridges Lengthwise
  • LEGO Technic, Axle Pin with Friction Ridges Lengthwise
Add to Cart
View or order
LEGO® 6457112 Technic, Axle and Pin Connector Toggle Joint Smooth
NZ$0.51
2x needed
  • LEGO Technic, Axle and Pin Connector Toggle Joint Smooth
  • LEGO Technic, Axle and Pin Connector Toggle Joint Smooth
Add to Cart
View or order
LEGO® 6130009 Technic, Axle 7
NZ$0.46
1x needed
  • LEGO Technic, Axle 7
Add to Cart
View or order
LEGO® 6266244 Hinge Plate 1 x 2 Locking with 1 Finger on…
NZ$0.31
1x needed
  • LEGO Hinge Plate 1 x 2 Locking with 1 Finger on…
  • LEGO Hinge Plate 1 x 2 Locking with 1 Finger on…
  • LEGO Hinge Plate 1 x 2 Locking with 1 Finger on…
Add to Cart
View or order
LEGO® 6331919 Technic, Pin Connector Perpendicular 2 x 2 Bent
NZ$2.76
2x needed
  • LEGO Technic, Pin Connector Perpendicular 2 x 2 Bent
Add to Cart
View or order
LEGO® 4211815 Technic, Axle 3
NZ$0.20
13x needed
  • LEGO Technic, Axle 3
Add to Cart
View or order
LEGO® 4529234 Cone 1 x 1 with Top Groove
NZ$0.08
4x needed
  • LEGO Cone 1 x 1 with Top Groove
  • LEGO Cone 1 x 1 with Top Groove
Add to Cart
View or order
LEGO® 6030266 Brick, Modified 1 x 1 with Studs on 2 Sides
NZ$0.52
1x needed
  • LEGO Brick, Modified 1 x 1 with Studs on 2 Sides
Add to Cart
View or order
LEGO® 6282158 Technic, Pin Connector Perpendicular 3L with 4 Pins
NZ$0.33 NZ$0.36
-5%
1x needed
  • LEGO Technic, Pin Connector Perpendicular 3L with 4 Pins
  • LEGO Technic, Pin Connector Perpendicular 3L with 4 Pins
Add to Cart
View or order
LEGO® 4504382 Slope 30° 1 x 1 x 2/3
NZ$0.18
2x needed
  • LEGO Slope 30° 1 x 1 x 2/3
  • LEGO Slope 30° 1 x 1 x 2/3
  • LEGO Slope 30° 1 x 1 x 2/3
Add to Cart
View or order
LEGO® 6271535 Hinge Cylinder 1 x 2 Locking with 2 Fingers, 7…
NZ$0.46
1x needed
  • LEGO Hinge Cylinder 1 x 2 Locking with 2 Fingers, 7…
Add to Cart
View or order
LEGO® 6507868 Light Cover with Internal Bar / Bionicle Barraki Eye
NZ$0.31
2x needed
  • LEGO Light Cover with Internal Bar / Bionicle Barraki Eye
Add to Cart
View or order
LEGO® 6265093 Liftarm 1 x 2 Thick with Pin and Axle Hole
NZ$0.18
20x needed
  • LEGO Liftarm 1 x 2 Thick with Pin and Axle Hole
Add to Cart
View or order
LEGO® 4535768 Technic, Axle 9
NZ$0.71
1x needed
  • LEGO Technic, Axle 9
Add to Cart
View or order
LEGO® 4515897 Minifig, Utensil Hose Nozzle Elaborate
NZ$0.30
3x needed
  • LEGO Minifig, Utensil Hose Nozzle Elaborate
Add to Cart
View or order
LEGO® 4541191 Slope 18° 2 x 1 x 2/3 with Lattice
NZ$0.20
4x needed
  • LEGO Slope 18° 2 x 1 x 2/3 with Lattice
  • LEGO Slope 18° 2 x 1 x 2/3 with Lattice
  • LEGO Slope 18° 2 x 1 x 2/3 with Lattice
  • LEGO Slope 18° 2 x 1 x 2/3 with Lattice
Add to Cart
View or order
LEGO® 6356106 Technic, Axle and Pin Connector Block 4 x 3 x…
NZ$2.05
1x needed
  • LEGO Technic, Axle and Pin Connector Block 4 x 3 x…
Add to Cart
View or order
LEGO® 6173119 Technic, Pin Connector Round with Slot (Pin Joiner Round)
NZ$0.54
4x needed
  • LEGO Technic, Pin Connector Round with Slot (Pin Joiner Round)
  • LEGO Technic, Pin Connector Round with Slot (Pin Joiner Round)
Add to Cart
View or order
LEGO® 6335279 Technic, Universal Joint 3L
NZ$1.10 NZ$1.21
-5%
4x needed
  • LEGO Technic, Universal Joint 3L
  • LEGO Technic, Universal Joint 3L
Add to Cart
View or order
LEGO® 6362991 Technic, Axle and Pin Connector Perpendicular Triple
NZ$0.21
2x needed
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
Add to Cart
View or order
LEGO® 6331441 Technic, Axle and Pin Connector Perpendicular Triple
NZ$0.48
4x needed
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
  • LEGO Technic, Axle and Pin Connector Perpendicular Triple
Add to Cart
View or order
LEGO® 6533801 Panel 2 x 3 x 7, Fairing #4 Right
NZ$0.52 NZ$0.95
-45%
1x needed
  • LEGO Panel 2 x 3 x 7, Fairing #4 Right
  • LEGO Panel 2 x 3 x 7, Fairing #4 Right
  • LEGO Panel 2 x 3 x 7, Fairing #4 Right
  • LEGO Panel 2 x 3 x 7, Fairing #4 Right
  • LEGO Panel 2 x 3 x 7, Fairing #4 Right
Add to Cart
View or order
LEGO® 6533795 Panel 2 x 3 x 7, Fairing #3 Left
NZ$0.52 NZ$0.95
-45%
1x needed
  • LEGO Panel 2 x 3 x 7, Fairing #3 Left
  • LEGO Panel 2 x 3 x 7, Fairing #3 Left
  • LEGO Panel 2 x 3 x 7, Fairing #3 Left
  • LEGO Panel 2 x 3 x 7, Fairing #3 Left
  • LEGO Panel 2 x 3 x 7, Fairing #3 Left
Add to Cart
View or order
LEGO® 6261371 Axle and Pin Connector Perpendicular
NZ$0.20
8x needed
  • LEGO Axle and Pin Connector Perpendicular
  • LEGO Axle and Pin Connector Perpendicular
Add to Cart
View or order
LEGO® 4519010 Technic, Axle Connector (Smooth with x Hole + Orientation)
NZ$0.23
1x needed
  • LEGO Technic, Axle Connector (Smooth with x Hole + Orientation)
Add to Cart
View or order
LEGO® 6299413 Technic, Pin Long with Friction Ridges Lengthwise
NZ$0.18
63x needed
  • LEGO Technic, Pin Long with Friction Ridges Lengthwise
Add to Cart
View or order
LEGO® 4565452 Gear 12 Tooth
NZ$0.36
1x needed
  • LEGO Gear 12 Tooth
  • LEGO Gear 12 Tooth
Add to Cart
View or order
LEGO® 6344174 Liftarm 1 x 3 Thin
NZ$0.64
2x needed
  • LEGO Liftarm 1 x 3 Thin
  • LEGO Liftarm 1 x 3 Thin
Add to Cart
View or order
LEGO® 6332412 Technic, Liftarm, Modified L-Shape Quarter Ellipse Thick 2 x 3
NZ$1.69
4x needed
  • LEGO Technic, Liftarm, Modified L-Shape Quarter Ellipse Thick 2 x 3
Add to Cart
View or order
LEGO® 6326047 Technic, Liftarm, Modified L-Shape Quarter Ellipse Thick 2 x 3
NZ$0.77
2x needed
  • LEGO Technic, Liftarm, Modified L-Shape Quarter Ellipse Thick 2 x 3
Add to Cart
View or order
LEGO® 6388490 Tile 2 x 4
NZ$0.44
1x needed
  • LEGO Tile 2 x 4
Add to Cart
View or order
LEGO® 6321303 Technic, Pin Long with Friction Ridges Lengthwise and Center Pin…
NZ$0.49
5x needed
  • LEGO Technic, Pin Long with Friction Ridges Lengthwise and Center Pin…
Add to Cart
View or order
LEGO® 6083620 Technic, Axle 4 with Stop
NZ$0.15
2x needed
  • LEGO Technic, Axle 4 with Stop
  • LEGO Technic, Axle 4 with Stop
Add to Cart
View or order
LEGO® 6126048 Plate 2 x 2 with Groove and 1 Stud in…
NZ$0.25
4x needed
  • LEGO Plate 2 x 2 with Groove and 1 Stud in…
Add to Cart
View or order
LEGO® 6221464 Technic Linear Actuator Mini with Dark Bluish Gray Head and…
NZ$10.07
2x needed
  • LEGO Technic Linear Actuator Mini with Dark Bluish Gray Head and…
Add to Cart
View or order
LEGO® 6279023 Technic, Axle and Pin Connector Perpendicular Split
NZ$0.48
1x needed
  • LEGO Technic, Axle and Pin Connector Perpendicular Split
  • LEGO Technic, Axle and Pin Connector Perpendicular Split
  • LEGO Technic, Axle and Pin Connector Perpendicular Split
  • LEGO Technic, Axle and Pin Connector Perpendicular Split
  • LEGO Technic, Axle and Pin Connector Perpendicular Split
Add to Cart
View or order
LEGO® 4640536 Technic, Gear 16 Tooth (New Style Reinforced)
NZ$0.64
4x needed
  • LEGO Technic, Gear 16 Tooth (New Style Reinforced)
Add to Cart
View or order
LEGO® 6514191 Tile 1 x 1 Round
NZ$0.26
3x needed
  • LEGO Tile 1 x 1 Round
Add to Cart
View or order
LEGO® 6284071 Tile 1 x 1 Round
NZ$0.15
2x needed
  • LEGO Tile 1 x 1 Round
Add to Cart
View or order
LEGO® 6331437 Liftarm 5 x 3 Thin, Triangle - Type II
NZ$0.41 NZ$0.51
-15%
4x needed
  • LEGO Liftarm 5 x 3 Thin, Triangle - Type II
Add to Cart
View or order
1 2
...
...