# LEGO Pneumatic Cylinder, 48 mm (5104-1) — resale value

**LEGO Pneumatic Cylinder, 48 mm (5104-1)** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-26. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%25205104-1%2520Pneumatic%2520Cylinder%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%25205104-1%2520Pneumatic%2520Cylinder%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | LEGO |
| Set Number | 5104-1 |
| Theme | Technic |
| Year | 1987 |
| Pieces | 1 |

## FAQ

**Is the LEGO Pneumatic Cylinder 5104-1 still in high demand?**

Yes, as a rare 1987 Technic piece, this cylinder is highly sought after by vintage LEGO enthusiasts and builders.

**What is the condition of this 1-piece item?**

Since only the item details are provided, please check the listing photos for the specific condition of this single piece.

**Is this part compatible with modern LEGO Technic sets?**

As a 1987 part, compatibility with modern sets is not guaranteed; it is best suited for vintage Technic restoration.

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Full price guide: https://junkpal.ai/products/lego-5104-1
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-26, based on real sold listings (junkpal.ai)"