Setobrick

LEGO part 18838: Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports

Bricks Curved12 colours109 sets

LEGO part LEGO part 18838: Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports

Specifications

Reference18838
CategoryBricks Curved
MaterialABS plastic
Colours12
Sets109
Listed pieces267
First appearance2013
Latest appearance2026
Element (Light Bluish Gray)6246844 · 6096381
Most common colourLight Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 18838, Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports, belongs to the Bricks Curved category. It exists in 12 colours and appears in 109 sets of our database, from 2013 to 2026, for a total of 267 listed pieces. Its most common colour is Light Bluish Gray.

Number 18838 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 6246844.

Part 18838 through the years

The oldest set in our database that contains part 18838 is 10232 Palace Cinema, released in 2013 in the Modular Buildings theme. It is still in use: the most recent set featuring it, 75425 Mos Eisley Cantina, dates from 2026.

Its peak year is 2024, with 17 sets containing it. The set with the most copies is 43222 Disney Castle: 16 copies, against an average of 2.4 per set.

It is spread across several themes, led by Friends (12%), Harry Potter (10%) and Disney (9%). With 109 sets, it ranks no. 1,067 of 2,731 parts in our database and no. 53 of 96 in the Bricks Curved category.

Sets containing part 18838, by period

PeriodSets
2013-201931
2020-202678

Colours of part 18838

2 colours appear in only one set: dark purple (41320 Heartlake Frozen Yogurt Shop) and dark green (76403 The Ministry of Magic).

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray6246844 · 60963813377710437643510316
Tan6246845 · 60963832563769487595371040
Reddish Brown6246843 · 60963792138710437104010255
Dark Bluish Gray63114381436103001031671771
White6246842 · 60900841423710406035110251
Black6246849 · 618906135759557200341239
Medium Nougat6564870 · 6393297292136041721
Blue6425991258004960370
Red6572112 · 6394236247543510778
Dark Turquoise6289132234139441256
Dark Purple6246846 · 61170391241320
Dark Green64002461276403

Where to buy part 18838

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

Sets that include part 18838

Sets ranked by popularity that include at least one part 18838, in any colour.

Frequently asked questions

How many LEGO sets include part 18838?

Part 18838 (Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross Supports) appears in 109 sets listed on Setopedia, from 2013 to 2026, in any colour.

Which LEGO set contains the most copies of part 18838?

Set 43222 Disney Castle, released in 2023, contains 16 copies, the highest count in our database. On average, a set containing part 18838 has 2.4.

Which colours does LEGO part 18838 come in?

12 colours are listed for part 18838. The most common is Light Bluish Gray, found in 33 sets.

What is the rarest colour of part 18838?

According to our inventories, it is dark purple, found in only 1 set (41320 Heartlake Frozen Yogurt Shop).

What is the element ID of part 18838 in light bluish gray?

In light bluish gray, part 18838 has element ID 6246844 or 6096381. Number 18838 is the mould number, the same for every colour.

Is LEGO part 18838 still used in recent sets?

Yes: it appears in sets released in 2026, such as 75425 Mos Eisley Cantina.

Where can I buy LEGO part 18838 individually?

Single parts 18838 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.