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Part
Technic Gear Rack 1 x 4
3743
Technic Gears
Appears in 344 official sets
Technic Gear Rack 1 x 4 (part 3743) is a Technic Gears used in 344 official LEGO sets. Scan or search to authenticate loose parts and check market value.
- → Category: Technic Gears
- → Appears in 344 official sets
- → Scan a photo to identify this part instantly
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Color variants
White
Light Gray
Tan
Red
Blue
Brown
Black
Green
Yellow
Dark Gray
Orange
Light Bluish Gray
Reddish Brown
Sand Green
Sets containing this part
412 sets · page 10 of 18
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Ferrari F1 Racer 1:108386-1 · 2004 -
Technology Resource Set9649-1 · 2003 -
Pneumatic Crane Truck8438-1 · 2003 -
![ROBOLAB Team Challenge Set Version 2.5 [USB]](https://cdn.rebrickable.com/media/sets/9794-1.jpg)
ROBOLAB Team Challenge Set Version 2.5 [USB]9794-1 · 2003 -
![ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]](https://cdn.rebrickable.com/media/sets/9793-1.jpg)
ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]9793-1 · 2002 -
Imperial Star Destroyer10030-1 · 2002 -
ROBOLAB Amusement Park Set9725-2 · 2002 -
Williams F1 Team Racer8461-1 · 2002 -
Crane Truck8431-1 · 2002 -
Special Elements for Amusement Park Set970672-1 · 2002 -
Aero Tube Hanger7317-1 · 2001 -
Mechanical Engineering Set9665-1 · 2001 -
Ultimate Builders Set3800-1 · 2001 -
Robotics Invention System, Version 2.03804-1 · 2001 -
Silver Champion8458-1 · 2000 -
Cities and Transportation9723-1 · 2000 -
Robotics Invention System, Version 1.59747-1 · 1999 -
ROBOLAB Amusement Park Set9725-1 · 1999 -
ROBOLAB Team Challenge Set (Serial)9790-1 · 1999 -
Small Gear Wheels9900-1 · 1999 -
Exploration Mars9736-1 · 1999 -
ROBOLAB Starter Building Set9780-1 · 1998 -
Robotics Invention System, Version 1.09719-1 · 1998 -
Ferrari Formula 1 Racing Car2556-1 · 1997