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LEGO part 2421: Propeller 3 Blade Small

Transportation - Sea and Air3 colours134 sets

LEGO part LEGO part 2421: Propeller 3 Blade Small

Specifications

Reference2421
CategoryTransportation - Sea and Air
MaterialABS plastic
Colours3
Sets134
Listed pieces179
First appearance1995
Latest appearance2026
Element (Black)6170693 · 4289255
Most common colourBlack
Main themesCity, Town, Creator
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 2421, Propeller 3 Blade Small, belongs to the Transportation - Sea and Air category. It exists in 3 colours and appears in 134 sets of our database, from 1995 to 2026, for a total of 179 listed pieces. Its most common colour is Black.

Number 2421 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in black, it is 6170693.

Part 2421 through the years

The oldest set in our database that contains part 2421 is 6336 Launch Response Unit, released in 1995 in the Town theme. It is still in use: the most recent set featuring it, 6626057 Bush Plane, dates from 2026.

Its peak year is 2022, with 10 sets containing it. The set with the most copies is 60215 Fire Station: 4 copies, against an average of 1.3 per set.

It is spread across several themes, led by City (33%), Town (18%) and Creator (12%). With 134 sets, it ranks no. 937 of 2,731 parts in our database and no. 7 of 43 in the Transportation - Sea and Air category.

Sets containing part 2421, by period

PeriodSets
1995-199920
2000-200920
2010-201957
2020-202637

Colours of part 2421

Its rarest colour, light bluish gray, appears only in set 10159 City Airport.

Colour (element ID)SetsPiecesExample sets
Black6170693 · 4289255123166769496021560320
Light Gray2421021012659864796338
Light Bluish Gray42578541110159

Where to buy part 2421

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

Search part 2421 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 2421

Sets ranked by popularity that include at least one part 2421, in any colour.

Related parts

Often found with part 2421

Parts that share the most sets with part 2421, based on set inventories.

Minifigures using part 2421

Part 2421 is used in one catalogued minifigure variant:

More parts in the Transportation - Sea and Air category

All parts in the Transportation - Sea and Air category

Frequently asked questions

How many LEGO sets include part 2421?

Part 2421 (Propeller 3 Blade Small) appears in 134 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 2421?

Set 60215 Fire Station, released in 2019, contains 4 copies, the highest count in our database. On average, a set containing part 2421 has 1.3.

Which colours does LEGO part 2421 come in?

3 colours are listed for part 2421. The most common is Black, found in 123 sets.

What is the rarest colour of part 2421?

According to our inventories, it is light bluish gray, found in only 1 set (10159 City Airport).

What is the element ID of part 2421 in black?

In black, part 2421 has element ID 6170693 or 4289255. Number 2421 is the mould number, the same for every colour.

Is LEGO part 2421 still used in recent sets?

Yes: it appears in sets released in 2026, such as 6626057 Bush Plane.

Where can I buy LEGO part 2421 individually?

Single parts 2421 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.