Setobrick

LEGO part 4042: Bar Curved with Axle End and 1 x 1 Round Plate

Bars, Ladders and Fences6 colours80 sets

LEGO part LEGO part 4042: Bar Curved with Axle End and 1 x 1 Round Plate

Specifications

Reference4042
CategoryBars, Ladders and Fences
MaterialABS plastic
Colours6
Sets80
Listed pieces176
First appearance2023
Latest appearance2026
Element (Trans-Clear)6510119 · 6444527
Most common colourTrans-Clear
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 4042, Bar Curved with Axle End and 1 x 1 Round Plate, belongs to the Bars, Ladders and Fences category. It exists in 6 colours and appears in 80 sets of our database, from 2023 to 2026, for a total of 176 listed pieces. Its most common colour is Trans-Clear.

Number 4042 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in trans-clear, it is 6510119.

Part 4042 through the years

The oldest set in our database that contains part 4042 is 76417 Gringotts Wizarding Bank : Collectors' Edition, released in 2023 in the Harry Potter theme. It is still in use: the most recent set featuring it, 76476 The Ministry of Magic : Collectors' Edition, dates from 2026.

Its peak year is 2026, with 36 sets containing it. The set with the most copies is 11503 Flower Wall: 8 copies, against an average of 2.2 per set.

It is spread across several themes, led by Super Heroes Marvel (21%), Botanicals (12%) and Harry Potter (9%). With 80 sets, it ranks no. 1,278 of 2,731 parts in our database and no. 43 of 68 in the Bars, Ladders and Fences category.

Sets containing part 4042, by period

PeriodSets
20238
202413
202523
202636

Colours of part 4042

Even its least common colour, black, can be found in 2 sets. One of its colours is transparent: trans-clear.

Colour (element ID)SetsPiecesExample sets
Trans-Clear6510119 · 644452761112753737629176417
Sand Green6525748711103421150311502
Bright Green6527027617115031151311512
Reddish Brown6516553417458321151071846
White65155102101033575681
Black6544388294328876450

Where to buy part 4042

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

Search part 4042 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 4042

Sets ranked by popularity that include at least one part 4042, in any colour.

More parts in the Bars, Ladders and Fences category

All parts in the Bars, Ladders and Fences category

Frequently asked questions

How many LEGO sets include part 4042?

Part 4042 (Bar Curved with Axle End and 1 x 1 Round Plate) appears in 80 sets listed on Setopedia, from 2023 to 2026, in any colour.

Which LEGO set contains the most copies of part 4042?

Set 11503 Flower Wall, released in 2026, contains 8 copies, the highest count in our database. On average, a set containing part 4042 has 2.2.

Which colours does LEGO part 4042 come in?

6 colours are listed for part 4042. The most common is Trans-Clear, found in 61 sets.

What is the rarest colour of part 4042?

According to our inventories, it is black, found in only 2 sets (43288 Sally's Flowerpot, 76450 Book Nook: Hogwarts Express).

What is the element ID of part 4042 in trans-clear?

In trans-clear, part 4042 has element ID 6510119 or 6444527. Number 4042 is the mould number, the same for every colour.

Is LEGO part 4042 still used in recent sets?

Yes: it appears in sets released in 2026, such as 76476 The Ministry of Magic : Collectors' Edition.

Where can I buy LEGO part 4042 individually?

Single parts 4042 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.