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

Specifications
| Reference | 18838 |
|---|---|
| Category | Bricks Curved |
| Material | ABS plastic |
| Colours | 12 |
| Sets | 109 |
| Listed pieces | 267 |
| First appearance | 2013 |
| Latest appearance | 2026 |
| Element (Light Bluish Gray) | 6246844 · 6096381 |
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
| Period | Sets | |
|---|---|---|
| 2013-2019 | 31 | |
| 2020-2026 | 78 |
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) | Sets | Pieces | Example sets |
|---|---|---|---|
| Light Bluish Gray6246844 · 6096381 | 33 | 77 | 710437643510316 |
| Tan6246845 · 6096383 | 25 | 63 | 769487595371040 |
| Reddish Brown6246843 · 6096379 | 21 | 38 | 710437104010255 |
| Dark Bluish Gray6311438 | 14 | 36 | 103001031671771 |
| White6246842 · 6090084 | 14 | 23 | 710406035110251 |
| Black6246849 · 6189061 | 3 | 5 | 759557200341239 |
| Medium Nougat6564870 · 6393297 | 2 | 9 | 2136041721 |
| Blue6425991 | 2 | 5 | 8004960370 |
| Red6572112 · 6394236 | 2 | 4 | 7543510778 |
| Dark Turquoise6289132 | 2 | 3 | 4139441256 |
| Dark Purple6246846 · 6117039 | 1 | 2 | 41320 |
| Dark Green6400246 | 1 | 2 | 76403 |
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.
10300Back to the Future Time Machine2022 · 1,872 piecesView the set
71043Hogwarts Castle2018 · 6,020 piecesView the set
76435Hogwarts Castle: The Great Hall2024 · 1,727 piecesView the set
10316Lord of the Rings: Rivendell2023 · 6,181 piecesView the set
76948T. rex & Atrociraptor Dinosaur Breakout2022 · 466 piecesView the set
75955Hogwarts Express2018 · 806 piecesView the set
3D75953 Hogwarts Whomping Willow2018 · 754 pieces
71040 Disney Castle2016 · 4,081 pieces- 10318 Concorde2023 · 2,083 pieces
60351 Rocket Launch Center2022 · 1,010 pieces
3D75954 Hogwarts Great Hall2018 · 882 pieces
10255 Assembly Square2017 · 4,002 pieces
76403 The Ministry of Magic2022 · 990 pieces
71771 The Crystal King Temple2022 · 710 pieces
75290 Mos Eisley Cantina2020 · 3,187 pieces
71799 NINJAGO City Markets2023 · 6,163 pieces
75978 Diagon Alley2020 · 5,548 pieces
10333 The Lord of the Rings: Barad-dûr2024 · 5,478 pieces
71408 Peach's Castle Expansion Set2022 · 1,216 pieces
71369 Bowser's Castle Boss Battle Expansion Set2020 · 1,010 pieces
70620 NINJAGO City2017 · 4,873 pieces
3D76139 1989 Batmobile2019 · 3,310 pieces
43222 Disney Castle2023 · 4,837 pieces
75936 Jurassic Park: T. rex Rampage2019 · 3,120 pieces
3D10251 Brick Bank2016 · 2,384 pieces
41685 Magical Funfair Roller Coaster2021 · 974 pieces
71722 Skull Sorcerer's Dungeons2020 · 1,181 pieces
70677 Land Bounty2019 · 1,189 pieces
75938 T. rex vs Dino-Mech Battle2019 · 716 pieces
75208 Yoda's Hut2018 · 229 pieces
10232 Palace Cinema2013 · 2,194 pieces
71764 Ninja Training Center2022 · 524 pieces
41322 Snow Resort Ice Rink2017 · 307 pieces
41394 Heartlake City Hospital2020 · 388 pieces
70617 Temple of The Ultimate Ultimate Weapon2017 · 1,403 pieces
41317 Sunshine Catamaran2017 · 603 pieces
41122 Adventure Camp Tree House2016 · 726 pieces
41447 Heartlake City Park2021 · 432 pieces
43195 Belle and Rapunzel's Royal Stables2021 · 254 pieces
41188 Breakout from the Goblin King's Fortress2017 · 696 pieces
70732 City of Stiix2015 · 1,070 pieces
41256 Rainbow Caterbus2020 · 405 pieces
76129 Hydro-Man Attack2019 · 479 pieces
41154 Cinderella's Dream Castle2018 · 586 pieces
41149 Moana's Island Adventure2016 · 205 pieces
80024 The Legendary Flower Fruit Mountain2021 · 1,949 pieces
41255 Pop Village Celebration2020 · 386 pieces
3D41075 The Elves' Treetop Hideaway2015 · 517 pieces
41177 The Precious Crystal Mine2016 · 273 pieces
70838 Queen Watevra's 'So-Not-Evil' Space Palace2019 · 997 pieces
41196 The Elvenstar Tree Bat Attack2018 · 883 pieces
41320 Heartlake Frozen Yogurt Shop2017 · 370 pieces
75425 Mos Eisley Cantina2026 · 666 pieces
72003 Berserker Bomber2018 · 369 pieces
41239 Eclipso Dark Palace2017 · 1,079 pieces
41237 Batgirl Secret Bunker2017 · 351 pieces
76473 Hogwarts Castle: East Wing2026 · 2,164 pieces
77082 Rave Cave2026 · 1,963 pieces
11378 Douglas DC-3 PAN AM Airliner2026 · 1,903 pieces
42691 Garden Restaurant2026 · 1,465 pieces
71858 Four Weapons Blacksmith 15th Anniversary2026 · 1,259 pieces
42705 Cozy Fall Forest Cabin2026 · 1,229 pieces
75426 Millennium Falcon2026 · 885 pieces
11505 Woodland Mushrooms2026 · 806 pieces
42689 Heartlake City Friends Club House2026 · 794 pieces
76467 Luna Lovegood's House2026 · 764 pieces
More parts in the Bricks Curved category
6060 Brick Arch 1 x 6 x 3 1/3 Curved Top135 sets
7126 Brick Curved 1 x 1124 sets
5907 Brick Curved 1 x 2 x 1 2/3 with 1 Cutout120 sets
2339 Brick Arch 1 x 5 x 4 [Continuous Bow]111 sets
6191 Brick Curved 1 x 4 x 1 1/3 No Studs, Lowered Inside Support98 sets
6192b Brick Curved 2 x 4 Double, No Studs, with Groove89 sets
38583 Brick Arch 1 x 2 Jumper84 sets
44675 Brick Curved 2 x 2 No Studs - 3 Recessed Side Ports79 sets
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.
