Technic Axle 3L (4519)

Keep your LEGO® Technic builds connected with the Technic Axle 3L (4519). This compact, three-stud-long axle features a cross-shaped profile designed to fit compatible Technic axle holes, gears and connectors.

LEGO Technic Axle 3L Features

• Part number: 4519
• Length: 3L (3 LEGO modules)
• Design: Straight axle with a cross-shaped profile
• Colours: Multiple colours available, including Yellow and Light Bluish Gray
• Compatibility: Works with LEGO Technic components featuring compatible cross-axle connections

For Technic Builds and Repairs

The 3L axle is useful for connecting gears, supporting rotating components and assembling compact mechanical structures. Its short length makes it particularly practical when a longer axle would extend beyond the available space.

Whether you're replacing a missing axle, rebuilding an older model or creating your own mechanism, part 4519 is a useful addition to your Technic parts collection.

Explore more LEGO Technic parts, including axles, gears and connectors for your next building project.