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LEGO part 3737: Technic Axle 10

Technic Axles3 colours613 sets

LEGO part LEGO part 3737: Technic Axle 10

Specifications

Reference3737
CategoryTechnic Axles
MaterialABS plastic
Colours3
Sets613
Listed pieces1,574
First appearance1995
Latest appearance2026
Element (Black)373726
Most common colourBlack
Main themesTechnic, Star Wars, Racers
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3737, Technic Axle 10, belongs to the Technic Axles category. It exists in 3 colours and appears in 613 sets of our database, from 1995 to 2026, for a total of 1,574 listed pieces. Its most common colour is Black.

Number 3737 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 373726.

Part 3737 through the years

The oldest set in our database that contains part 3737 is 8485 Control Centre / Control II, released in 1995 in the Technic theme. It is still in use: the most recent set featuring it, 42232 Koenigsegg Sadair's Spear Megacar, dates from 2026.

Its peak year is 2003, with 41 sets containing it. The set with the most copies is 2000431 Connections Kit: 60 copies, against an average of 2.6 per set.

It is spread across several themes, led by Technic (27%), Star Wars (8%) and Racers (7%). With 613 sets, it ranks no. 283 of 2,731 parts in our database and no. 10 of 22 in the Technic Axles category.

Sets containing part 3737, by period

PeriodSets
1995-199966
2000-2009235
2010-2019179
2020-2026133

Colours of part 3737

Its rarest colour, green, appears only in set 8479 Barcode Multi-Set.

Colour (element ID)SetsPiecesExample sets
Black3737265551,446421434213842175
Red6130005 · 426785862121753014217542131
Green4107756178479

Where to buy part 3737

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

Search part 3737 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3737

Sets ranked by popularity that include at least one part 3737, in any colour.

Often found with part 3737

Parts that share the most sets with part 3737, based on set inventories.

More parts in the Technic Axles category

All parts in the Technic Axles category

Frequently asked questions

How many LEGO sets include part 3737?

Part 3737 (Technic Axle 10) appears in 613 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3737?

Set 2000431 Connections Kit, released in 2013, contains 60 copies, the highest count in our database. On average, a set containing part 3737 has 2.6.

Which colours does LEGO part 3737 come in?

3 colours are listed for part 3737. The most common is Black, found in 555 sets.

What is the rarest colour of part 3737?

According to our inventories, it is green, found in only 1 set (8479 Barcode Multi-Set).

What is the element ID of part 3737 in black?

In black, part 3737 has element ID 373726. Number 3737 is the mould number, the same for every colour.

Is LEGO part 3737 still used in recent sets?

Yes: it appears in sets released in 2026, such as 42232 Koenigsegg Sadair's Spear Megacar.

Where can I buy LEGO part 3737 individually?

Single parts 3737 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.