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Part
Technic Gear 40 Tooth
3649
Technic Gears
Appears in 165 official sets
Technic Gear 40 Tooth (part 3649) is a Technic Gears used in 165 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 165 official sets
- → Scan a photo to identify this part instantly
- → Compare market prices
Color variants
Light Gray
Tan
Orange
Blue
Yellow
Trans-Clear
White
Red
Green
Black
Dark Gray
Medium Dark Pink
Light Bluish Gray
Sets containing this part
192 sets · page 1 of 8
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UNEARTHED Challenge Set45829-1 · 2025 -
Ducati Panigale V4 S Motorcycle42202-1 · 2025 -
Yamaha MT-10 SP42159-1 · 2023 -
PAC-MAN Arcade10323-1 · 2023 -
Identity and Landscape Kit2000430-2 · 2022 -
Hogwarts Hospital Wing76398-1 · 2022 -
The Razor Crest75331-1 · 2022 -
BMW Motorrad M 1000 RR42130-1 · 2022 -
Haunted House10273-1 · 2020 -
ECTO-110274-1 · 2020 -
LEGO House Dinosaurs40366-1 · 2019 -
Droid Commander75253-1 · 2019 -
LEGOLAND Park40346-1 · 2019 -
Ford Mustang10265-1 · 2019 -
Harley-Davidson Fat Boy10269-1 · 2019 -
Gadgets5005633-1 · 2018 -
Mission MOON Inspire Set45807-1 · 2018 -
Dragon Pit70655-1 · 2018 -
App-Controlled Batmobile76112-1 · 2018 -
HYDRO DYNAMICS Challenge Kit45804-1 · 2017 -
The Milano vs. The Abilisk76081-1 · 2017 -
AQUA ADVENTURE Inspire Set45805-1 · 2017 -
Lightning Jet70614-1 · 2017 -
Piggy Pirate Ship75825-1 · 2016