4WD
8435-1 Technic 2004 763 parts 11% repair risk Intermediate
4WD (8435-1) is a LEGO Technic from 2004. The set contains 763 parts across 12 part and colour combinations in 8 colours — the full inventory below shows exactly which pieces you need to build or complete it.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![]() Tile Special 1 x 2 Grille with Bottom Groove 2412b | 2× | Check price → View |
![]() Tile Special 1 x 2 Grille with Bottom Groove 2412b | 2× | €0,11 |
![]() Technic Pin with Friction Ridges Lengthwise and Center Slots 2780 | 74× | Check price → View |
![]() Technic Steering Wheel Small (3 Studs Diameter) 2819 | 1× | Check price → View |
![]() Technic Beam 1 x 4 Thin with Stud Connector 2825 | 2× | €0,21 |
![]() Technic Beam 1 x 4 Thin with Stud Connector 2825 | 4× | Check price → View |
![]() Technic Engine Cylinder with Side Slots 2850a | 6× | Check price → View |
![]() Technic Engine Piston Round 2851 | 6× | €0,18 |
![]() Technic Engine Connecting Rod 2852 | 6× | €0,11 |
![]() Technic Engine Crankshaft 2853 | 2× | €0,16 |
![]() Technic Engine Crankshaft Center 2854 | 2× | Check price → View |
![]() Technic Beam Triangle Thin [Type I] 2905 | 4× | Check price → View |
Repairability
Can you fix 4WD if a piece goes missing?
15 of the 136 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.
Theme average
6.5%
All sets
6.7%
Hardest to replace
More Technic sets
Browse more LEGO Technic sets related to 4WD, including models from 2004 and other sets in the same theme.
Build DNA
Parts inventory insights for 4WD
763 pieces puts this build +17% against the average Technic set and +242% against the average 2004 release.

Vs average Technic set
Average Technic set: 652 pieces across 453 other sets.
Vs average 2004 set
Average 2004 set: 223 pieces across 230 other sets.
Color profile
Dominant color
Black
Unique parts
1.1 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin with Friction Ridges Lengthwise and Center Slots
74xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
This site is not affiliated with or endorsed by the LEGO Group.











![Technic Beam Triangle Thin [Type I]](https://cdn.rebrickable.com/media/parts/elements/290526.jpg)