A single light gray LEGO Technic Axle 3L, featuring a long cylindrical body with two parallel grooves and rounded ends.

LEGO 4519 Technic, Axle 3L in Black - Authentic LEGO Part

LEGO 4519 Technic, Axle 3L in Light Gray - Authentic LEGO Part

LEGO 4519 Technic, Axle 3L in Yellow - Authentic LEGO Part

LEGO 4519 - Technic, Axle 3L

Name: LEGO 4519 - Technic, Axle 3L
Brand: LEGO

€0,09

Color: Black

Condition: Used

Used New

Product variants

176 in stock

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Quantity

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LEGO 4519 - Technic, Axle 3L

Home › Technic Parts › Axle 3L (4519)

Essential LEGO® Technic axle for precision MOC builds and mechanical designs. Trusted by builders for its reliable 3L length and universal compatibility.

Why Builders Choose This Technic Axle

✓ Core component for functional Technic mechanisms
✓ Perfect length for compact gear systems
✓ Indispensable for vehicle MOCs and moving parts

Technical Specifications

Design ID	4519
Element IDs	451926 (Black), 4186007 (Light Gray)
Length	3L (24mm)
Material	LEGO ABS Plastic
Weight	0.6g
Connection	Standard Technic cross

MOC Building Applications

✓ Gear assemblies in vehicle engines
✓ Articulated robot joints
✓ Modular connection systems
✓ Compact steering mechanisms

Bulk Order Benefits

Volume Builders: Custom pricing available for army builders and large MOC projects. Contact us for quantity discounts.

CrocoBricks Quality Assurance

✓ 100% authentic LEGO® elements
✓ New & pre-owned options available
✓ Professionally inspected components
✓ Anti-static packaging protection

Color	Black, Light Bluish Gray, Light Gray, Yellow
Condition	Used, New

Compatibility & Usage

System compatibility

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LEGO® System (1958–present): designed to work with standard LEGO bricks, plates and sets.

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Technic: connects where applicable via studs, pins or axles (depending on the item).

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DUPLO®: limited compatibility. Many LEGO System elements attach on top of DUPLO studs; DUPLO does not fit on top of standard LEGO studs.

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Other brick brands with System dimensions may fit; clutch strength can vary.

System-compatible Technic interface (where applicable) DUPLO: limited fit Brand mix possible†

Usage & notes

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Contents: see product description for exactly what is included (e.g., minifigures, accessories, box or instructions).

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Condition: New/Used as stated on the product page. Color shades and clutch can differ between production runs.

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Safety: Small parts. Not suitable for children under 3 years. Follow the age guidance for the item.

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Tip: When mixing brands or older/newer pieces, test clutch before building large sections.

Includes only listed items Age guidance applies Photos may be representative

LEGO®, DUPLO® and the brick configuration are trademarks of the LEGO Group, which does not sponsor, authorize or endorse this site. †Compatibility with non-LEGO brands may vary.