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Part
Technic Axle Pin without Friction Ridges Lengthwise
3749
Technic Pins
Appears in 1,877 official sets
Technic Axle Pin without Friction Ridges Lengthwise (part 3749) is a Technic Pins used in 1877 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 Pins
- → Appears in 1,877 official sets
- → Scan a photo to identify this part instantly
- → Compare market prices
Color variants
Light Gray
Black
Tan
White
Light Bluish Gray
Blue
Pearl Titanium
Related parts (prints, molds, alternates)
Sets containing this part
2,082 sets · page 5 of 87
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NASA Artemis Space Launch System Rocket42221-1 · 2026 -
Bugatti Centodieci Hyper Sports Car77240-1 · 2025 -
Italian Riviera21359-1 · 2025 -
Emergency Ambulance60451-1 · 2025 -
Little Eatie: T. rex76967-1 · 2025 -
Raptor Off-Road Escape76972-1 · 2025 -
Friendship Road-Trip Travel Car42659-1 · 2025 -
Death Star75419-1 · 2025 -
BWT Alpine F1 Team A524 Race Car77248-1 · 2025 -
Airplane vs. Hospital Bed Race Car Pack60459-1 · 2025 -
Juggernaut912505-1 · 2025 -
Hogwarts Castle: The Main Tower76454-1 · 2025 -
The Goonies21363-1 · 2025 -
Ferrari71049-3 · 2025 -
Tudor Corner10350-1 · 2025 -
Ford Bronco SUV42213-1 · 2025 -
Shelby Cobra 427 S/C10357-1 · 2025 -
Mario Kart - Baby Peach & Grand Prix Set72036-1 · 2025 -
F1 ACADEMY71049-11 · 2025 -
Soap Box Racer6562113-1 · 2025 -
Hogwarts Castle: Charms Class76442-1 · 2025 -
Construction Worker with Rotary Cutter952502-1 · 2025 -
Mario Kart – Wario & King Boo72038-1 · 2025 -
Willy Wonka & the Chocolate Factory21360-1 · 2025