LEGO Piston Parts 878-1
LEGO Piston Parts (878-1) is estimated at about $29 sealed as of Sep 2026. Retired · 52 pieces · 1979 Technic. Track its value and price history.
- Set number
- 878-1
- Theme
- Technic
- Subtheme
- Supplementary
- Year
- 1979
- Pieces
- 52
- Minifigures
- 0
- Market value
- $29 (Estimate, Sep 2026)
- Used value
- $14
- Retirement
- Retired
Piston Parts value by year
From $20 in 2017 to $29 (Estimate, Sep 2026): +48%. Its highest year was 2020, at $33.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $29 | +7.0% |
| 2026 (so far) | $27 | +0.1% |
| 2025 | $27 | +1.9% |
| 2024 | $27 | +1.9% |
| 2023 | $26 | +1.9% |
| 2022 | $26 | −3.5% |
| 2021 | $27 | −18.0% |
| 2020 | $33 | +34.3% |
| 2019 | $24 | +2.1% |
| 2018 | $24 | +20.3% |
| 2017 | $20 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Piston Parts (878-1) worth?
LEGO Piston Parts is worth approximately $29 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Piston Parts retired?
Yes — Piston Parts (878-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Why is LEGO Piston Parts so expensive?
Piston Parts was released in 1979 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.