Setobrick

LEGO part 1871: Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome

Bricks Round and Cones13 colours71 sets

LEGO part LEGO part 1871: Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome

Specifications

Reference1871
CategoryBricks Round and Cones
MaterialABS plastic
Colours13
Sets71
Listed pieces326
First appearance2023
Latest appearance2026
Element (White)6442360
Most common colourWhite
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 1871, Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome, belongs to the Bricks Round and Cones category. It exists in 13 colours and appears in 71 sets of our database, from 2023 to 2026, for a total of 326 listed pieces. Its most common colour is White.

Number 1871 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in white, it is 6442360.

Part 1871 through the years

The oldest set in our database that contains part 1871 is 76918 McLaren Solus GT & McLaren F1 LM, released in 2023 in the Speed Champions theme. It is still in use: the most recent set featuring it, 910061 Antique Collection, dates from 2026.

Its peak year is 2025, with 34 sets containing it. The set with the most copies is 43269 101 Dalmatians Puppy: 28 copies, against an average of 4.6 per set.

It is spread across several themes, led by Star Wars (10%), Disney (10%) and Speed Champions (6%). With 71 sets, it ranks no. 1,369 of 2,731 parts in our database and no. 45 of 78 in the Bricks Round and Cones category.

Sets containing part 1871, by period

PeriodSets
20238
202427
202534
20262

Colours of part 1871

3 colours appear in only one set: light nougat (21352 Magic of Disney), coral (43245 The Magical Madrigal House) and blue (72038 Mario Kart : Wario & King Boo).

Colour (element ID)SetsPiecesExample sets
White6442360251117691891005143269
Black643642516504217130728910049
Light Bluish Gray639550411384075591004240506
Reddish Brown64520111029103542135472037
Yellow651023149307284082430704
Tan6486875335103486046043247
Dark Turquoise65197633209100617569175681
Sand Blue6472100316762713121240690
Red6436399264076775392
Orange6443906244069043226
Light Nougat65098751421352
Coral64922761243245
Blue65600511272038

Where to buy part 1871

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

Search part 1871 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 1871

Sets ranked by popularity that include at least one part 1871, in any colour.

More parts in the Bricks Round and Cones category

All parts in the Bricks Round and Cones category

Frequently asked questions

How many LEGO sets include part 1871?

Part 1871 (Brick Round Curved 1 x 1 x 1 1/3 Quarter Dome) appears in 71 sets listed on Setopedia, from 2023 to 2026, in any colour.

Which LEGO set contains the most copies of part 1871?

Set 43269 101 Dalmatians Puppy, released in 2025, contains 28 copies, the highest count in our database. On average, a set containing part 1871 has 4.6.

Which colours does LEGO part 1871 come in?

13 colours are listed for part 1871. The most common is White, found in 25 sets.

What is the rarest colour of part 1871?

According to our inventories, it is coral, found in only 1 set (43245 The Magical Madrigal House).

What is the element ID of part 1871 in white?

In white, part 1871 has element ID 6442360. Number 1871 is the mould number, the same for every colour.

Is LEGO part 1871 still used in recent sets?

Yes: it appears in sets released in 2026, such as 910061 Antique Collection.

Where can I buy LEGO part 1871 individually?

Single parts 1871 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.