Setobrick

LEGO part 6572: Technic Steering Knuckle Arm with Ball Joint

Technic Steering, Suspension and Engine6 colours25 sets

LEGO part LEGO part 6572: Technic Steering Knuckle Arm with Ball Joint

Specifications

Reference6572
CategoryTechnic Steering, Suspension and Engine
MaterialABS plastic
Colours6
Sets25
Listed pieces65
First appearance1995
Latest appearance2017
Element (Light Bluish Gray)4211711
Most common colourLight Bluish Gray
Main themesTechnic, Star Wars, Racers
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 6572, Technic Steering Knuckle Arm with Ball Joint, belongs to the Technic Steering, Suspension and Engine category. It exists in 6 colours and appears in 25 sets of our database, from 1995 to 2017, for a total of 65 listed pieces. Its most common colour is Light Bluish Gray.

Number 6572 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in light bluish gray, it is 4211711.

Part 6572 through the years

The oldest set in our database that contains part 6572 is 8440 Formula Flash, released in 1995 in the Technic theme. No set in our database uses it after 2017, the year of 70355 Aaron's Rock Climber. To get it today, look for older sets or buy it second-hand.

Its peak year is 2016, with 3 sets containing it. The set with the most copies is 4404 Land Busters: 8 copies, against an average of 2.6 per set.

It is spread across several themes, led by Technic (52%), Star Wars (28%) and Racers (8%). With 25 sets, it ranks no. 2,389 of 2,731 parts in our database and no. 26 of 32 in the Technic Steering, Suspension and Engine category.

Sets containing part 6572, by period

PeriodSets
1995-19993
2000-200911
2010-201711

Colours of part 6572

Even its least common colour, yellow, can be found in 2 sets.

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray42117111224750557515175106
Light Gray4154763 · 657202422845574714404
White6063776 · 4183315374202584618435
Black6572262584408286
Red41618822476598653
Yellow41142902384588257

Where to buy part 6572

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

Search part 6572 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 6572

Sets ranked by popularity that include at least one part 6572, in any colour.

Often found with part 6572

Parts that share the most sets with part 6572, based on set inventories.

More parts in the Technic Steering, Suspension and Engine category

All parts in the Technic Steering, Suspension and Engine category

Frequently asked questions

How many LEGO sets include part 6572?

Part 6572 (Technic Steering Knuckle Arm with Ball Joint) appears in 25 sets listed on Setopedia, from 1995 to 2017, in any colour.

Which LEGO set contains the most copies of part 6572?

Set 4404 Land Busters, released in 2003, contains 8 copies, the highest count in our database. On average, a set containing part 6572 has 2.6.

Which colours does LEGO part 6572 come in?

6 colours are listed for part 6572. The most common is Light Bluish Gray, found in 12 sets.

What is the rarest colour of part 6572?

According to our inventories, it is yellow, found in only 2 sets (8458 Silver Champion, 8257 Cyber Strikers).

What is the element ID of part 6572 in light bluish gray?

In light bluish gray, part 6572 has element ID 4211711. Number 6572 is the mould number, the same for every colour.

Is LEGO part 6572 still used in recent sets?

Not in our database: its last set dates from 2017 (70355 Aaron's Rock Climber). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 6572 individually?

Single parts 6572 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.