Setobrick

LEGO part 6573: Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides

Technic Gears3 colours52 sets

LEGO part LEGO part 6573: Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides

Specifications

Reference6573
CategoryTechnic Gears
MaterialABS plastic
Colours3
Sets52
Listed pieces61
First appearance1995
Latest appearance2026
Element (Dark Gray)657327
Most common colourDark Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 6573, Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides, belongs to the Technic Gears category. It exists in 3 colours and appears in 52 sets of our database, from 1995 to 2026, for a total of 61 listed pieces. Its most common colour is Dark Gray.

Number 6573 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark gray, it is 657327.

Part 6573 through the years

The oldest set in our database that contains part 6573 is 8440 Formula Flash, released in 1995 in the Technic theme. It is still in use: the most recent set featuring it, 42242 Mercedes-Benz Unimog U 5023 with Crane, dates from 2026.

Its peak year is 2006, with 5 sets containing it. The set with the most copies is 8466 4x4 Off Roader: 3 copies, against an average of 1.2 per set.

It is spread across several themes, led by Technic (58%), Educational and Dacta (21%) and Racers (10%). With 52 sets, it ranks no. 1,629 of 2,731 parts in our database and no. 26 of 46 in the Technic Gears category.

Sets containing part 6573, by period

PeriodSets
1995-199914
2000-200928
2010-20196
2020-20264

Colours of part 6573

Even its least common colour, red, can be found in 5 sets.

Colour (element ID)SetsPiecesExample sets
Dark Gray6573272733844884558458
Dark Bluish Gray6573199 · 421102320224211482858110
Red6510296 · 618824556421104212942070

Where to buy part 6573

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

Sets that include part 6573

Sets ranked by popularity that include at least one part 6573, in any colour.

Frequently asked questions

How many LEGO sets include part 6573?

Part 6573 (Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides) appears in 52 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 6573?

Set 8466 4x4 Off Roader, released in 2001, contains 3 copies, the highest count in our database. On average, a set containing part 6573 has 1.2.

Which colours does LEGO part 6573 come in?

3 colours are listed for part 6573. The most common is Dark Gray, found in 27 sets.

What is the rarest colour of part 6573?

According to our inventories, it is red, found in only 5 sets (42110 Land Rover Defender, 42129 4x4 Mercedes-Benz Zetros Trial Truck).

What is the element ID of part 6573 in dark gray?

In dark gray, part 6573 has element ID 657327. Number 6573 is the mould number, the same for every colour.

Is LEGO part 6573 still used in recent sets?

Yes: it appears in sets released in 2026, such as 42242 Mercedes-Benz Unimog U 5023 with Crane.

Where can I buy LEGO part 6573 individually?

Single parts 6573 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.