# LEGO Replacement Gearbox for Electric, Motor 4.5V/12V Type II 12 x 4 x 3 1/3 (1234-3) — resale value

**LEGO Replacement Gearbox for Electric, Motor 4.5V/12V Type II 12 x 4 x 3 1/3 (1234-3)** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-27. 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%2520Replacement%2520Gearbox%2520Motor%25201234-3%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%2520Replacement%2520Gearbox%2520Motor%25201234-3%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 | 1234-3 |
| Theme | Service Packs |
| Year | 1983 |
| Pieces | 1 |

## FAQ

**Is the LEGO 1234-3 gearbox still in good condition for MOCs?**

As a single piece from the 1983 Service Packs set, its condition should be verified upon inspection, but it is listed as an original component.

**How rare is the 1234-3 piece in the Service Packs theme?**

This specific gearbox is a single piece from the 1983 Service Packs theme, making it a desirable and relatively rare find.

**What is the significance of the 1983 year for this gearbox?**

The 1983 year places this gearbox within the classic Service Packs era of LEGO sets, increasing its historical collector appeal.

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Full price guide: https://junkpal.ai/products/lego-1234-3
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-27, based on real sold listings (junkpal.ai)"