LEGO 878 Piston Parts is a vintage Technic set from 1979 valued at $33 for new and sealed sets, up 635% from an original retail price of $4.50. Annual appreciation has averaged 4.34% since release. Used copies are valued between $17 and $20 depending on condition.
LEGO 878-1 Piston Parts is a Technic Supplementary set released in 1979, containing 52 pieces. It includes an assortment of Technic components such as multiple-length black axles, light gray bushes and pins, and piston elements. The set was intended as a parts pack to support building and enhancing Technic mechanisms, particularly engine and crankshaft assemblies, across compatible Technic models from the period.
A new and sealed Piston Parts is currently valued at around $33, with annual growth of approximately 4%, which is higher than other Supplementary sets. The average used price is $17 for those in good overall condition. Based on current trends, this set could be valued near $34 within the next year.
Piston Parts (878-1) is a very old and rare LEGO set. It has not been available online or in retail stores in good/new condition for over 2 years. Because of its scarcity, the current estimated value of in new condition of $33.06 may be much lower than its true market value. Released in 1979, sealed sets in good condition are especially difficult to find, often commanding a premium well above estimates.
There are currently no new/sealed listings available for Piston Parts at this time.
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