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LEGO part 3704: Technic Axle 2

Technic Axles1 colours22 sets

LEGO part LEGO part 3704: Technic Axle 2

Specifications

Reference3704
CategoryTechnic Axles
MaterialABS plastic
Colours1
Sets22
Listed pieces238
First appearance1995
Latest appearance2005
Element (Black)370426
Most common colourBlack
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3704, Technic Axle 2, belongs to the Technic Axles category. It exists in 1 colours and appears in 22 sets of our database, from 1995 to 2005, for a total of 238 listed pieces. Its most common colour is Black.

Number 3704 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 370426.

Part 3704 through the years

The oldest set in our database that contains part 3704 is 6195 Neptune Discovery Lab, released in 1995 in the Aquazone theme. No set in our database uses it after 2005, the year of 8713 Ultimate Accessory Kit. To get it today, look for older sets or buy it second-hand.

Its peak year is 1995, with 11 sets containing it. The set with the most copies is 8713 Ultimate Accessory Kit: 100 copies, against an average of 10.8 per set.

The part is closely tied to the Technic theme: 64% of the sets that contain it belong to it. With 22 sets, it ranks no. 2,569 of 2,731 parts in our database and no. 22 of 22 in the Technic Axles category.

Sets containing part 3704, by period

PeriodSets
199511
199610
19970
19980
19990
20000
20010
20020
20030
20040
20051

Colours of part 3704

Part 3704 exists in a single colour: black.

Colour (element ID)SetsPiecesExample sets
Black37042622238848061958485

Where to buy part 3704

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

Search part 3704 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3704

Sets ranked by popularity that include at least one part 3704, in any colour.

Related parts

Often found with part 3704

Parts that share the most sets with part 3704, 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 3704?

Part 3704 (Technic Axle 2) appears in 22 sets listed on Setopedia, from 1995 to 2005, in any colour.

Which LEGO set contains the most copies of part 3704?

Set 8713 Ultimate Accessory Kit, released in 2005, contains 100 copies, the highest count in our database. On average, a set containing part 3704 has 10.8.

Which colours does LEGO part 3704 come in?

1 colours are listed for part 3704. The most common is Black, found in 22 sets.

What is the element ID of part 3704 in black?

In black, part 3704 has element ID 370426. Number 3704 is the mould number, the same for every colour.

Is LEGO part 3704 still used in recent sets?

Not in our database: its last set dates from 2005 (8713 Ultimate Accessory Kit). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 3704 individually?

Single parts 3704 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.