1. Sets
  2. Technic
  3. Supplementary
878 LEGO Technic Piston Parts thumbnail image

878 LEGO Technic Piston Parts
Images 1
878 LEGO Technic Piston Parts
  • Piston Parts thumbnail

LEGO 878 Piston Parts is a vintage Technic set from 1979 valued at $33 for new and sealed sets, up 644% from an original retail price of $4.50. Annual appreciation has averaged 4.36% since release. Used copies are valued between $17 and $20 depending on condition.

Piston Parts Value (New/Sealed)

This chart represents the current new/sealed value of the set Piston Parts since June 1979. Medium accuracy
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 $35 within the next year.
All regions

For Sale (New/Sealed)

 (BE) Piston Parts from BrickLink seller all.inn.bricks $69.68
+108.2%

Compared with other Supplementary sets

#7 of 18
By growth since retail, +644%
+30%+3,028%
In the top half of the group.
$0.64 a piece
New and sealed value per piece
This set
$0.64
Typical
$0.80
About 20% below the group's typical value per piece.
Top sets by growthSince retail
1877 Steering Gear Parts+3,028%
2879 Gear Wheels with Chain Links+2,418%
3961 Parts Pack+1,293%
7878 Piston Parts+644%
See all Supplementary sets

Sets in Technic / Supplementary

879 Gear Wheels with Chain Links

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 87
Availability Retired
879 LEGO Technic Gear Wheels with Chain Links
Retail $4.50
Value $113.33
Growth  +2418.4%
Annual growth 7.1%

874 Yellow Beams with Connector Pegs

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 38
Availability Retired
874 LEGO Technic Yellow Beams with Connector Pegs
Retail $5.00
Value $28.13
Growth  +462.6%
Annual growth 3.7%

875 Red Beams with Connector Pegs

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 38
Availability Retired
875 LEGO Technic Red Beams with Connector Pegs
Retail $5.00
Value $21.49
Growth  +329.8%
Annual growth 5.3%

876 Blue Beams with Connector Pegs

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 38
Availability Retired
876 LEGO Technic Blue Beams with Connector Pegs
Retail $5.00
Value $19.87
Growth  +297.4%
Annual growth 3.0%

877 Steering Gear Parts

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 24
Availability Retired
877 LEGO Technic Steering Gear Parts
Retail $3.50
Value $109.47
Growth  +3027.7%
Annual growth 7.6%

880 12 Volt Motor

Theme / Subtheme Technic / Supplementary
Year 1979
Pieces 22
Availability Retired
880 LEGO Technic 12 Volt Motor
Retail $19.99
Value $39.99
Growth  +100.1%
Annual growth 5.4%

Piston Parts Questions

How much is the Piston Parts set worth?

A new, sealed copy of Piston Parts is worth about $33 today. A used copy in good condition goes for about $17.

Can you still buy LEGO 878 Piston Parts from LEGO?

No. Piston Parts has been retired by LEGO. Collectors now buy it on the secondary market, from sellers on sites like eBay and BrickLink.

Is LEGO 878 Piston Parts worth more than it cost?

Yes, by a wide margin. Since it sold for $4.50 in shops, Piston Parts has risen 644% in value, about 4.4% a year. It has outgrown the Supplementary average of 3.4% a year by a clear margin.

Will LEGO 878 Piston Parts go up in value?

If its long-run trend holds, yes. BrickEconomy's forecast, built on its long-run growth, puts Piston Parts near $35 in twelve months, about 4% more than today. This is an estimate and markets can change.

How many pieces are in LEGO 878 Piston Parts?

The set contains 52 pieces, or $0.09 per piece at retail.

See the top lists: Most Valuable LEGO Technic Sets · Largest LEGO Technic Sets · Most Valuable LEGO Sets

My Collection

Piston Parts Reviews

18 ratings
4.6
Collectors
Investors

About Technic Supplementary

The LEGO Technic Supplementary theme, active from 1977 to 1997, consists of a variety of accessory sets designed to enhance and expand existing Technic models. These sets provided additional parts, such as gears, wheels, axles, and motors, allowing builders to add more functionality and complexity to their creations. Notable sets in this theme include the "870 Technical Motor," which introduced a battery-powered motor for motorizing models, and the "8710 Supplementary Set," a collection of gears and other essential mechanical parts.

Supplementary consists of 18 sets that ran from 1977 to 1997. As of today, 879 Gear Wheels with Chain Links is the most valuable Supplementary set with an estimated new/factory sealed value of $113.
Read more
Get a value badge
Show this set's value on your website or blog.