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LEGO part 50451: Technic Axle 16

Technic Axles3 colours71 sets

LEGO part LEGO part 50451: Technic Axle 16

Specifications

Reference50451
CategoryTechnic Axles
MaterialABS plastic
Colours3
Sets71
Listed pieces140
First appearance2004
Latest appearance2026
Element (Black)6317564 · 6043747
Most common colourBlack
Main themesTechnic, City, Star Wars
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 50451, Technic Axle 16, belongs to the Technic Axles category. It exists in 3 colours and appears in 71 sets of our database, from 2004 to 2026, for a total of 140 listed pieces. Its most common colour is Black.

Number 50451 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 6317564.

Part 50451 through the years

The oldest set in our database that contains part 50451 is 3578 NHL Championship Challenge, released in 2004 in the Sports theme. It is still in use: the most recent set featuring it, 11377 The Lord of the Rings: Minas Tirith, dates from 2026.

Its peak year is 2026, with 9 sets containing it. The set with the most copies is 10196 Grand Carousel: 8 copies, against an average of 2 per set.

It is spread across several themes, led by Technic (10%), City (10%) and Star Wars (10%). With 71 sets, it ranks no. 1,371 of 2,731 parts in our database and no. 20 of 22 in the Technic Axles category.

Sets containing part 50451, by period

PeriodSets
2004-200910
2010-201917
2020-202644

Colours of part 50451

Even its least common colour, bright green, can be found in 4 sets.

Colour (element ID)SetsPiecesExample sets
Black6317564 · 60437475186421387141142131
White4233225163510188102444184
Bright Green6546387419115071151411508

Where to buy part 50451

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

Sets that include part 50451

Sets ranked by popularity that include at least one part 50451, in any colour.

Frequently asked questions

How many LEGO sets include part 50451?

Part 50451 (Technic Axle 16) appears in 71 sets listed on Setopedia, from 2004 to 2026, in any colour.

Which LEGO set contains the most copies of part 50451?

Set 10196 Grand Carousel, released in 2009, contains 8 copies, the highest count in our database. On average, a set containing part 50451 has 2.

Which colours does LEGO part 50451 come in?

3 colours are listed for part 50451. The most common is Black, found in 51 sets.

What is the rarest colour of part 50451?

According to our inventories, it is bright green, found in only 4 sets (11507 Olivia Rodrigo’s Flower Bouquet, 11514 Cosmos Flowers).

What is the element ID of part 50451 in black?

In black, part 50451 has element ID 6317564 or 6043747. Number 50451 is the mould number, the same for every colour.

Is LEGO part 50451 still used in recent sets?

Yes: it appears in sets released in 2026, such as 11377 The Lord of the Rings: Minas Tirith.

Where can I buy LEGO part 50451 individually?

Single parts 50451 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.