Setobrick

LEGO part 3831: Hinge Brick 1 x 4 [Lower]

Hinges, Arms and Turntables18 colours404 sets

LEGO part LEGO part 3831: Hinge Brick 1 x 4 [Lower]

Specifications

Reference3831
CategoryHinges, Arms and Turntables
MaterialABS plastic
Colours18
Sets404
Listed pieces1,408
First appearance1995
Latest appearance2026
Element (Light Bluish Gray)4211461
Most common colourLight Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3831, Hinge Brick 1 x 4 [Lower], belongs to the Hinges, Arms and Turntables category. It exists in 18 colours and appears in 404 sets of our database, from 1995 to 2026, for a total of 1,408 listed pieces. Its most common colour is Light Bluish Gray.

Number 3831 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 4211461.

Part 3831 through the years

The oldest set in our database that contains part 3831 is 1822 Sea Claw 7, released in 1995 in the Aquazone theme. It is still in use: the most recent set featuring it, 11377 The Lord of the Rings: Minas Tirith, dates from 2026.

Its peak year is 2020, with 25 sets containing it. The set with the most copies is 10196 Grand Carousel: 36 copies, against an average of 3.5 per set.

It is spread across several themes, led by Star Wars (11%), Harry Potter (11%) and Creator (8%). With 404 sets, it ranks no. 418 of 2,731 parts in our database and no. 12 of 92 in the Hinges, Arms and Turntables category.

Sets containing part 3831, by period

PeriodSets
1995-199917
2000-200989
2010-2019160
2020-2026138

Colours of part 3831

5 colours appear in only one set: dark green (21315 Pop-Up Book), dark azure (43181 Raya and the Heart Palace), lavender (21264 The Ender Dragon and End Ship), purple (5856 Paprika and the Mischievous Monkey) and medium dark pink (5846 Desert Island).

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray421146198280103051031631120
Dark Bluish Gray421079580230103057638475980
White6619285 · 38310176269102974139531108
Black38312668209213227625275256
Reddish Brown42154493896751591023621170
Tan6334219 · 45424152388764021029776382
Medium Nougat61029672252763987595375968
Light Gray38310217501003047093739
Red6512257 · 639757313301022044305770
Blue6320053 · 38312313266031545617180
Dark Red6332063 · 45687611130753011024075827
Dark Gray4162477 · 3831275184730472910027
Yellow6137916 · 42411194126011945611822
Dark Green62525891821315
Dark Azure63224771643181
Lavender64858651221264
Purple4184091115856
Medium Dark Pink383122115846

Where to buy part 3831

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

Search part 3831 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3831

Sets ranked by popularity that include at least one part 3831, in any colour.

Related parts

Often found with part 3831

Parts that share the most sets with part 3831, based on set inventories.

More parts in the Hinges, Arms and Turntables category

All parts in the Hinges, Arms and Turntables category

Frequently asked questions

How many LEGO sets include part 3831?

Part 3831 (Hinge Brick 1 x 4 [Lower]) appears in 404 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3831?

Set 10196 Grand Carousel, released in 2009, contains 36 copies, the highest count in our database. On average, a set containing part 3831 has 3.5.

Which colours does LEGO part 3831 come in?

18 colours are listed for part 3831. The most common is Light Bluish Gray, found in 98 sets.

What is the rarest colour of part 3831?

According to our inventories, it is purple, found in only 1 set (5856 Paprika and the Mischievous Monkey).

What is the element ID of part 3831 in light bluish gray?

In light bluish gray, part 3831 has element ID 4211461. Number 3831 is the mould number, the same for every colour.

Is LEGO part 3831 still used in recent sets?

Yes: it appears in sets released in 2026, such as 11377 The Lord of the Rings: Minas Tirith.

Where can I buy LEGO part 3831 individually?

Single parts 3831 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.