# LEGO 4.5V Replacement Motor (Sp1-1) — resale value

**LEGO 4.5V Replacement Motor (Sp1-1)** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-24. 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%25204.5V%2520Replacement%2520Motor%2520Sp1-1%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%25204.5V%2520Replacement%2520Motor%2520Sp1-1%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 | Sp1-1 |
| Theme | Train |
| Year | 1977 |
| Pieces | 1 |

## FAQ

**Is the LEGO Sp1-1 motor still in good working condition?**

As a replacement part, it is listed as a single piece from the 1977 set, perfect for repair or display.

**How rare is the Sp1-1 motor in the Train theme?**

This motor is a specific component from the 1977 Train set, making it a desirable find for dedicated collectors.

**Does this part come with the original LEGO box?**

This listing is for the individual 1-piece motor only; it does not include the original packaging.

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Full price guide: https://junkpal.ai/products/lego-sp1-1
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-24, based on real sold listings (junkpal.ai)"