← The LEGO Parts Guide › Technic › Gears

1×4 Rack (Part 3743)

1977-2025CURRENT

Custom LEGO part image © 2025 Tom Alphin / Brick Architect.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

LEGO Pick a Brick:
3743 TOOTHED BAR M=1, Z=10
4296 TOOTHED BAR M=1, Z=10
Bricklink:
3743 Technic, Gear Rack 1 x 4
Rebrickable:
3743 Technic Gear Rack 1 x 4
Brickset:
3743 TOOTHED BAR M=1, Z=10
4296 TOOTHED BAR M=1, Z=10
LDraw:
3743 Technic Gear Rack 1 x 4
 CURRENTALL YEARS
OVERALL RANK
-50
837
602
# PIECES
155(RANK: 780)
1151(RANK: 465)
# SETS
55(RANK: 799)
329(RANK: 522)
# COLORS
4(RANK: 1208)
5(RANK: 2140)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Current ranking based on sets released between 2021-2025.

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

1×4
Rack
3743
.LBX

Included in legacy LEGO Brick Labels collection.

1×4
Rack
3743
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2024-02-21 12:00:00

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