Pneumatic

Pneumatic – Overview

Explore LEGO pneumatic parts for building working mechanical systems with air pressure. Essential components for creating moving machines, robots, and interactive models.

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Dark gray LEGO 99021 Pneumatic Hose Connector with Axle Connector. Features a hose connection, axle, and axle hole.
New & used
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LEGO 99021 - Pneumatic Hose Connector with Axle Connector
Sale price€0,06
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Gray LEGO pneumatic switch with black lever, two pin holes, and three stepped pneumatic outlets.
Used
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LEGO 4694cc01 - Pneumatic Switch with Pin Holes and Stepped Outlets
Sale price€1,28
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LEGO 2797c02 Pneumatic Pump Second Version with Black Top, yellow cylinder, white spring, and black rod.
New
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LEGO 2797c02 - Pneumatic Pump Second Version with Black Top
Sale price€13,53
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A yellow LEGO pneumatic cylinder (48mm) with a black angled connector at the top and a square base with a single inlet.
Used
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LEGO 4688c01 - Pneumatic Cylinder with 1 Inlet Medium (48mm)
Sale price€3,79
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Light gray LEGO 4692 Pneumatic Distribution Block 2x4 with 8 studs on top and 3 pneumatic connectors on the side.
Used
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LEGO 4692 - Pneumatic Distribution Block 2 x 4 with Non-return Valve
Sale price€2,98
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Gray LEGO Pneumatic Switch with Top Studs (4694c01) showing a dark gray cross axle inserted.
Used
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LEGO 4694c01 - Pneumatic Switch with Top Studs
Sale price€1,23
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Dark gray LEGO 4694bc01 Pneumatic Switch with a top cross axle pin and multiple side and bottom pin holes.
New & used
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LEGO 4694bc01 - Pneumatic Switch with Pin Holes
Sale priceFrom €1,19
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A light grey LEGO Pneumatic T Piece First Version (T Bar) with a main cylinder and a perpendicular side cylinder. One end is open.
Used
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LEGO 4697a - Pneumatic T Piece First Version (T Bar)
Sale price€0,39
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LEGO 47224c01 pneumatic cylinder, 48mm, with 2 inlets, rounded end, and yellow body with black cap.
New
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LEGO 47224c01 - Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm)
Sale price€17,23
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Yellow LEGO Technic Pneumatic Cylinder Bracket (53178) with pin holes and open clip connections.
New
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LEGO 53178 - Pneumatic Cylinder Bracket
Sale price€10,63
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White LEGO 4697b pneumatic T piece, also known as a T bar with a central ball joint and three cylindrical arms.
New & used
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LEGO 4697b - Pneumatic T Piece Second Version (T Bar with Ball in Center)
Sale priceFrom €0,06
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More about Pneumatic

About Pneumatic LEGO Parts

LEGO pneumatic elements let builders create working mechanical systems powered by air pressure, bringing models to life with realistic movement and functionality.

  • Cylinders and pistons for linear motion
  • Air tanks and pumps for pressure storage
  • Tubes and connectors for air distribution
  • Switches and valves for flow control

Choosing the Right Pneumatic

Select pneumatic components based on your project's specific needs for power, size, and functionality.

  • Consider cylinder stroke length for movement range
  • Match pump capacity to system requirements
  • Check tube diameter compatibility
  • Verify pressure ratings for safe operation

Pneumatic Quick Guide

Component Typical Use
Small Cylinder Light Lifting
Large Cylinder Heavy Duty

Why CrocoBricks

We're your trusted source for genuine LEGO pneumatic parts, offering both new and used components.

  • 100% authentic LEGO parts guaranteed
  • Carefully inspected used components
  • Fast worldwide shipping options
  • Competitive pricing on all items

Start Building Today

Browse our selection of pneumatic parts by size, condition, or color. Check related categories like Technic parts and mechanical elements to complete your building system.