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LEGO part 18646: Plate Round Half 3 x 6 with 1 x 2 Cutout

Plates Round Curved and Dishes26 colours384 sets

LEGO part LEGO part 18646: Plate Round Half 3 x 6 with 1 x 2 Cutout

Specifications

Reference18646
CategoryPlates Round Curved and Dishes
MaterialABS plastic
Colours26
Sets384
Listed pieces977
First appearance2015
Latest appearance2026
Element (White)6609538 · 6192352
Most common colourWhite
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 18646, Plate Round Half 3 x 6 with 1 x 2 Cutout, belongs to the Plates Round Curved and Dishes category. It exists in 26 colours and appears in 384 sets of our database, from 2015 to 2026, for a total of 977 listed pieces. Its most common colour is White.

Number 18646 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 6609538.

Part 18646 through the years

The oldest set in our database that contains part 18646 is 60097 City Square, released in 2015 in the City theme. It is still in use: the most recent set featuring it, 72153 Venusaur, Charizard and Blastoise, dates from 2026.

Its peak year is 2026, with 60 sets containing it. The set with the most copies is 75367 Venator-Class Republic Attack Cruiser: 24 copies, against an average of 2.5 per set.

It is spread across several themes, led by Star Wars (13%), Friends (9%) and Super Heroes Marvel (8%). With 384 sets, it ranks no. 439 of 2,731 parts in our database and no. 18 of 46 in the Plates Round Curved and Dishes category.

Sets containing part 18646, by period

PeriodSets
20154
201619
201710
201821
201929
202040
202133
202231
202338
202449
202550
202660

Colours of part 18646

5 colours appear in only one set: pearl gold (76326 Iron Spider-Man Bust), yellowish green (70425 Newbury Haunted High School), lavender (43205 Ultimate Adventure Castle), dark blue (75392 Creative Play Droid Builder) and dark purple (10790 Team Spidey at Green Goblin's Lighthouse).

Colour (element ID)SetsPiecesExample sets
White6609538 · 619235263141603507533176391
Light Bluish Gray613298357146710437528875315
Black613840557112213226032110293
Tan60998934794710437141121061
Dark Tan60961083467710437621710297
Lime61097652839414234169143174
Dark Bluish Gray62180842776710437533175312
Dark Azure60974761936752734142341446
Red629529817471101980012910062
Green63037151640311207141171741
Yellow62570601429110193111943179
Bright Pink61330601422710437640331130
Reddish Brown643029113279100627186945833
Orange6587493 · 61191191121761937172271721
Dark Red63000791016753098003643180
Dark Green6484765618112111035475433
Medium Lavender6470187 · 6325877514416897136877907
Blue613356449752937060810723
Bright Light Blue643054934432383114171800
Vibrant Yellow642139633604136041960373
Bright Green6603086257205040925
Pearl Gold65614401476326
Yellowish Green62674161270425
Lavender64077621243205
Dark Blue65077361275392
Dark Purple64353161110790

Where to buy part 18646

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

Search part 18646 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 18646

Sets ranked by popularity that include at least one part 18646, in any colour.

Often found with part 18646

Parts that share the most sets with part 18646, based on set inventories.

More parts in the Plates Round Curved and Dishes category

All parts in the Plates Round Curved and Dishes category

Frequently asked questions

How many LEGO sets include part 18646?

Part 18646 (Plate Round Half 3 x 6 with 1 x 2 Cutout) appears in 384 sets listed on Setopedia, from 2015 to 2026, in any colour.

Which LEGO set contains the most copies of part 18646?

Set 75367 Venator-Class Republic Attack Cruiser, released in 2023, contains 24 copies, the highest count in our database. On average, a set containing part 18646 has 2.5.

Which colours does LEGO part 18646 come in?

26 colours are listed for part 18646. The most common is White, found in 63 sets.

What is the rarest colour of part 18646?

According to our inventories, it is dark purple, found in only 1 set (10790 Team Spidey at Green Goblin's Lighthouse).

What is the element ID of part 18646 in white?

In white, part 18646 has element ID 6609538 or 6192352. Number 18646 is the mould number, the same for every colour.

Is LEGO part 18646 still used in recent sets?

Yes: it appears in sets released in 2026, such as 72153 Venusaur, Charizard and Blastoise.

Where can I buy LEGO part 18646 individually?

Single parts 18646 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.