Setobrick

LEGO part 2850b: Technic Engine Cylinder without Side Slots, with Bottom Slots

Technic Steering, Suspension and Engine3 colours57 sets

LEGO part LEGO part 2850b: Technic Engine Cylinder without Side Slots, with Bottom Slots

Specifications

Reference2850b
CategoryTechnic Steering, Suspension and Engine
MaterialABS plastic
Colours3
Sets57
Listed pieces294
First appearance2011
Latest appearance2025
Element (Light Bluish Gray)6514436 · 6383961
Most common colourLight Bluish Gray
Main themesTechnic, Creator, City
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 2850b, Technic Engine Cylinder without Side Slots, with Bottom Slots, belongs to the Technic Steering, Suspension and Engine category. It exists in 3 colours and appears in 57 sets of our database, from 2011 to 2025, for a total of 294 listed pieces. Its most common colour is Light Bluish Gray.

Number 2850b identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in light bluish gray, it is 6514436.

Part 2850b through the years

The oldest set in our database that contains part 2850b is 8070 Supercar, released in 2011 in the Technic theme. It is still in use: the most recent set featuring it, 21356 River Steamboat, dates from 2025.

Its peak year is 2017, with 7 sets containing it. The set with the most copies is 42083 Bugatti Chiron: 16 copies, against an average of 5.2 per set.

The part is closely tied to the Technic theme: 89% of the sets that contain it belong to it. With 57 sets, it ranks no. 1,550 of 2,731 parts in our database and no. 12 of 32 in the Technic Steering, Suspension and Engine category.

Sets containing part 2850b, by period

PeriodSets
2011-201935
2020-202522

Colours of part 2850b

Its rarest colour, green, appears only in set 42030 Remote-Controlled Volvo L350F Wheel Loader. One of its colours is transparent: trans-clear.

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray6514436 · 638396150255421434215642141
Trans-Clear6514435 · 6353017633421274213042171
Green60654951642030

Where to buy part 2850b

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Sets that include part 2850b

Sets ranked by popularity that include at least one part 2850b, in any colour.

Frequently asked questions

How many LEGO sets include part 2850b?

Part 2850b (Technic Engine Cylinder without Side Slots, with Bottom Slots) appears in 57 sets listed on Setopedia, from 2011 to 2025, in any colour.

Which LEGO set contains the most copies of part 2850b?

Set 42083 Bugatti Chiron, released in 2018, contains 16 copies, the highest count in our database. On average, a set containing part 2850b has 5.2.

Which colours does LEGO part 2850b come in?

3 colours are listed for part 2850b. The most common is Light Bluish Gray, found in 50 sets.

What is the rarest colour of part 2850b?

According to our inventories, it is green, found in only 1 set (42030 Remote-Controlled Volvo L350F Wheel Loader).

What is the element ID of part 2850b in light bluish gray?

In light bluish gray, part 2850b has element ID 6514436 or 6383961. Number 2850b is the mould number, the same for every colour.

Is LEGO part 2850b still used in recent sets?

Yes: it appears in sets released in 2025, such as 21356 River Steamboat.

Where can I buy LEGO part 2850b individually?

Single parts 2850b can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.