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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. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.
- → Category: Technic Gears
- → Appears in 344 official sets
- → Scan a photo to identify this part instantly
- → Compare market prices
Color variants
Light Bluish Gray
White
Reddish Brown
Sets containing this part
412 sets · page 1 of 18
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Silver's Car vs. Knuckles' Monster Truck77118-1 · 2026 -
The Lord of the Rings: Minas Tirith11377-1 · 2026 -
Luna Lovegood's House76467-1 · 2026 -
Police Train Heist60508-1 · 2026 -
Dump Truck & Front End Loader60494-1 · 2026 -
Tiger Shark Tank71515-1 · 2026 -
Stranger Things: The Creel House11370-1 · 2026 -
AT-AT75440-1 · 2026 -
Hogwarts Herbology Plants76474-1 · 2026 -
Sorcerer's Stone – Collectors' Edition76466-1 · 2026 -
The Batman Batmobile76332-1 · 2026 -
Cozy Fall Forest Cabin42705-1 · 2026 -
Arctic Explorer Science Lab Truck60471-1 · 2025 -
Replacement Pack for Middle School45655-1 · 2025 -
Captain Jack Sparrow's Pirate Ship10365-1 · 2025 -
Adventure in Transylvania910049-1 · 2025 -
Diagon Alley Wizarding Shops76444-1 · 2025 -
Hogwarts Castle: The Main Tower76454-1 · 2025 -
Death Star75419-1 · 2025 -
Off-Road Police Car Chase60449-1 · 2025 -
Custom Police Car garage60457-1 · 2025 -
Science Kit Year 7-945622-1 · 2025 -
Morticia's Cottage76786-1 · 2025 -
Sherlock Holmes: Book Nook10351-1 · 2025