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

Specifications
| Reference | 2850b |
|---|---|
| Category | Technic Steering, Suspension and Engine |
| Material | ABS plastic |
| Colours | 3 |
| Sets | 57 |
| Listed pieces | 294 |
| First appearance | 2011 |
| Latest appearance | 2025 |
| Element (Light Bluish Gray) | 6514436 · 6383961 |
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
| Period | Sets | |
|---|---|---|
| 2011-2019 | 35 | |
| 2020-2025 | 22 |
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.
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.
42143Ferrari Daytona SP32022 · 3,778 piecesView the set
42156Peugeot 9X8 Le Mans Hybrid Hypercar2023 · 1,775 piecesView the set
42127The Batman - Batmobile2021 · 1,360 piecesView the set
42130BMW Motorrad M 1000 RR2022 · 1,922 piecesView the set
42141McLaren Formula 1 Team 2022 (First Edition)2022 · 1,432 piecesView the set
42131Cat D11 Bulldozer2021 · 3,854 piecesView the set
3D42125 Ferrari 488 GTE "AF Corse #51"2021 · 1,684 pieces
42115 Lamborghini Sián FKP 372020 · 3,696 pieces
3D42107 Ducati Panigale V4 R2020 · 646 pieces
42171 Mercedes-AMG F1 W14 E Performance2024 · 1,642 pieces
42126 Ford F-150 Raptor2021 · 1,379 pieces
3D42111 Dom's Dodge Charger2020 · 1,077 pieces
42083 Bugatti Chiron2018 · 3,599 pieces
42172 McLaren P12024 · 3,893 pieces
42154 2022 Ford GT2023 · 1,466 pieces
3D42096 Porsche 911 RSR2019 · 1,580 pieces
42082 Rough Terrain Crane2018 · 4,056 pieces
42056 Porsche 911 GT3 RS2016 · 2,704 pieces
42139 All-Terrain Vehicle2022 · 764 pieces
42009 Mobile Crane MK II2013 · 2,607 pieces
42159 Yamaha MT-10 SP2023 · 1,478 pieces
3D42039 24 Hours Race Car2015 · 1,219 pieces
8070 Supercar2011 · 1,281 pieces
42043 Mercedes-Benz Arocs 32452015 · 2,793 pieces
42155 The Batman - Batcycle2023 · 641 pieces
3D42077 Rally Car2018 · 1,005 pieces
42070 6x6 All Terrain Tow Truck2017 · 1,862 pieces
3D42063 BMW R 1200 GS Adventure2017 · 603 pieces
3D42057 Ultralight Helicopter2017 · 199 pieces
42030 Remote-Controlled Volvo L350F Wheel Loader2014 · 1,636 pieces
3D42075 First Responder2018 · 513 pieces
3D42069 Extreme Adventure2017 · 2,382 pieces
42007 Moto Cross Bike2013 · 253 pieces
42089 Power Boat2019 · 174 pieces
3D42050 Drag Racer2016 · 647 pieces
3D42048 Race Kart2016 · 345 pieces
3D42045 Hydroplane Racer2016 · 180 pieces
42028 Bulldozer2014 · 617 pieces
3D42022 Hot Rod2014 · 414 pieces
3D9395 Pick-Up Tow Truck2012 · 954 pieces
3D42079 Heavy Duty Forklift2018 · 592 pieces
3D42068 Airport Rescue Vehicle2017 · 1,106 pieces
3D42049 Mine Loader2016 · 476 pieces
3D42041 Race Truck2015 · 608 pieces
3D42037 Formula Off-Roader2015 · 494 pieces
3D42035 Mining Truck2015 · 362 pieces
3D42029 Customized Pick up Truck2014 · 1,063 pieces
3D8110 Mercedes-Benz Unimog U4002011 · 2,048 pieces
31062 Robo Explorer2017 · 205 pieces
42002 Hovercraft2013 · 170 pieces
60186 Mining Heavy Driller2018 · 294 pieces
21356 River Steamboat2025 · 4,090 pieces
42202 Ducati Panigale V4 S Motorcycle2025 · 1,603 pieces
910027 Mountain View Observatory2023 · 3,876 pieces
76245 Ghost Rider Mech & Bike2023 · 264 pieces
45816 CARGO CONNECT Challenge Kit2021 · 1,918 pieces
5005496 Technic 40 Year Anniversary Model2017 · 573 pieces
Related parts
Technic Engine Piston Round2851 · Paired part
Technic Engine Cylinder with Side Slots2850a · Same mould
Often found with part 2850b
Parts that share the most sets with part 2850b, based on set inventories.
Technic Engine Connecting Rod2852 · 51 shared sets
Technic Engine Crankshaft Center2854 · 41 shared sets
Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge]62821b · 28 shared sets
Technic Engine Crankshaft2853 · 51 shared sets
Technic Panel Fairing # 4 Small Smooth Long, Side B64391 · 35 shared sets
Technic Panel Fairing # 3 Small Smooth Long, Side A64683 · 35 shared sets
Technic Shock Absorber 6.5L with Hard Spring, Tight Coil in Middle [Complete Assembly]76537 · 21 shared sets
Technic Pin Connector Block 1 x 5 x 332333 · 28 shared sets
More parts in the Technic Steering, Suspension and Engine category
32293 Technic Link 1 x 976 sets
32069 Technic Steering Arm with 2 Pins66 sets
15460 Technic Steering Gear with 3 Towball Joints, Compact59 sets
92909 Technic Steering Hub for Portal Axle50 sets
92906 Technic Steering / CV Joint Axle49 sets
76138 Technic Shock Absorber 6.5L with Soft Spring, Standard Coil [Complete Assembly]48 sets
32494 Technic Steering / CV Joint47 sets
9244 Technic Universal Joint 4L [Complete Assembly]39 sets
All parts in the Technic Steering, Suspension and Engine category
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.
