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LEGO part 3707: Technic Axle 8

Technic Axles6 colours797 sets

LEGO part LEGO part 3707: Technic Axle 8

Specifications

Reference3707
CategoryTechnic Axles
MaterialABS plastic
Colours6
Sets797
Listed pieces2,260
First appearance1995
Latest appearance2026
Element (Black)370726
Most common colourBlack
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3707, Technic Axle 8, belongs to the Technic Axles category. It exists in 6 colours and appears in 797 sets of our database, from 1995 to 2026, for a total of 2,260 listed pieces. Its most common colour is Black.

Number 3707 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 370726.

Part 3707 through the years

The oldest set in our database that contains part 3707 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 37 sets containing it. The set with the most copies is 5003132 8M Cross Axles: 50 copies, against an average of 2.8 per set.

It is spread across several themes, led by Technic (27%), Star Wars (10%) and Educational and Dacta (6%). With 797 sets, it ranks no. 209 of 2,731 parts in our database and no. 8 of 22 in the Technic Axles category.

Sets containing part 3707, by period

PeriodSets
1995-199992
2000-2009253
2010-2019235
2020-2026217

Colours of part 3707

Its rarest colour, dark gray, appears only in set 3582 Ant.

Colour (element ID)SetsPiecesExample sets
Black3707266761,988103071030042128
Red6130004129239753374214375345
White4143690 · 370701420848087138009
Brown41624692534511382
Light Gray41563022347268009
Dark Gray4125477153582

Where to buy part 3707

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

Search part 3707 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3707

Sets ranked by popularity that include at least one part 3707, in any colour.

Often found with part 3707

Parts that share the most sets with part 3707, 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 3707?

Part 3707 (Technic Axle 8) appears in 797 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3707?

Set 5003132 8M Cross Axles, released in 2014, contains 50 copies, the highest count in our database. On average, a set containing part 3707 has 2.8.

Which colours does LEGO part 3707 come in?

6 colours are listed for part 3707. The most common is Black, found in 676 sets.

What is the rarest colour of part 3707?

According to our inventories, it is dark gray, found in only 1 set (3582 Ant).

What is the element ID of part 3707 in black?

In black, part 3707 has element ID 370726. Number 3707 is the mould number, the same for every colour.

Is LEGO part 3707 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 3707 individually?

Single parts 3707 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.