Go Retro with Technic!
The 1987 Pneumatic Cylinder

Add authentic 80s functionality to your LEGO creations with this classic piece. A must-have for vintage Technic collectors!

🏛 Technic
Set #5104

Pneumatic Cylinder, 48 mm

The Pneumatic Cylinder, 48 mm is a foundational Technic element.

Before you buy

Who it's for
Beginner build Technic builders and LEGO experimenters
Build
1 pieces · about 0.1 hours Build time is an estimate.
Price
$1.99 list price · $1.99 per piece
Availability
Likely retired
★★★☆☆ 3.8 AI-generated review score, not a customer rating

Fans appreciate this as a key component for adding realistic movement to Technic models, but it's not a standalone set and requires integration into larger builds. Its value is primarily for collectors and MOC builders needing vintage pneumatic elements.

MSRP
$1.99
Best Price
$1.79
You Save
10% OFF
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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Pneumatic Cylinder, 48 mm is a foundational Technic element. Released in 1987, this single-piece set introduced pneumatic functionality to LEGO models, allowing for realistic movement and operation in various creations.

This set is perfect for Technic enthusiasts and vintage LEGO collectors. While not a building experience in the traditional sense, it offers an opportunity to own a piece of LEGO history and experiment with pneumatic systems.

Skip this if you're looking for a complete building set with step-by-step instructions. This is a single component designed to be integrated into larger Technic models.

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What other Technic sets used this pneumatic cylinder? How do pneumatic systems work in LEGO models? Is this part compatible with modern LEGO pneumatic components? What are some creative ways to use this cylinder in MOCs?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
1
Pieces
⏱
0.1h
Estimated Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Introduction to pneumatic systems in LEGO
  • Experimenting with air pressure and movement
  • Integrating pneumatics into custom MOCs
  • Understanding basic engineering principles

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
↑ Trending up since release
B
Investment Grade
⏳ Retired
The Pneumatic Cylinder, 48 mm, while a single piece, has investment potential due to its age and importance in Technic history. Its rising price trend suggests increasing collector interest. As a retired part, its availability is limited, making it desirable for those restoring vintage Technic sets or building MOCs with authentic pneumatic functions. However, being a single part, its appreciation will likely be gradual and dependent on the overall demand for vintage Technic components.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Compared to full Technic sets, this single pneumatic cylinder is a specialized component for enhancing existing builds. While it doesn't offer a complete building experience like sets such as 42158-1, NASA Mars Rover Perseverance, it provides a unique function not found in many sets. Collectors interested in vintage Technic may prefer this for its historical significance.

📦 Parts Inventory

Official piece count
1
Parts cataloged in this inventory
1 unique parts, 1 pieces
This set consists of a single, specialized Technic pneumatic cylinder. Its value lies in its functionality and rarity as a vintage component.

🛒 Where to Buy

eBay
✓ In Stock
$1.79 →
Walmart
✓ In Stock
Compare on eBay →
$1.89
Target
✓ In Stock
Compare on eBay →
$1.99

💎 Notable Parts

Yellow Pneumatic Cylinder with 1 Inlet Medium (48mm) (1x) $12.32
Est. BrickLink Part Value
$12.32

💡 MOC Potential

🚗 Add pneumatic functions to LEGO vehicles
🤖 Create robots with moving pneumatic arms
🌳 Build a pneumatic-powered LEGO flower

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Charts Inventory Statistics

1
Unique Parts
1
Official Piece Count
1
Cataloged Inventory Pieces
0
Minifigures
Inventory Version: 1

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