# LEGO Pneumatic Pump 2 Cylinder (5107-1) — resale value

**LEGO Pneumatic Pump 2 Cylinder (5107-1)** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-21. 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%2520Pneumatic%2520Pump%25202%2520Cylinder%25205107-1%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%2520Pneumatic%2520Pump%25202%2520Cylinder%25205107-1%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 | 5107-1 |
| Theme | Technic |
| Year | 1991 |
| Pieces | 1 |

## FAQ

**How rare is the LEGO Technic 5107-1?**

This set, from 1991, is considered a rare find due to its age and single-piece nature.

**Is this piece suitable for MOCs (My Own Creations)?**

Yes, as a Technic component, it is perfect for integrating into custom builds.

**What is the condition of the 5107-1?**

The provided facts do not specify the condition, but its vintage nature suggests it requires careful inspection.

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Full price guide: https://junkpal.ai/products/lego-5107-1
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-21, based on real sold listings (junkpal.ai)"