Setobrick

LEGO part 55978: Tyre 37 x 22 ZR

Wheels and Tyres1 colours59 sets

LEGO part LEGO part 55978: Tyre 37 x 22 ZR

Specifications

Reference55978
CategoryWheels and Tyres
MaterialRubber
Colours1
Sets59
Listed pieces159
First appearance2007
Latest appearance2026
Element (Black)6518542 · 4499234
Most common colourBlack
Main themesNinjago, Racers, Technic
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 55978, Tyre 37 x 22 ZR, belongs to the Wheels and Tyres category. It exists in 1 colours and appears in 59 sets of our database, from 2007 to 2026, for a total of 159 listed pieces. Its most common colour is Black.

Number 55978 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 6518542.

Part 55978 through the years

The oldest set in our database that contains part 55978 is 8140 Tow Trasher, released in 2007 in the Racers theme. It is still in use: the most recent set featuring it, 71864 Kai and Cole's Combiner Vehicles, dates from 2026.

Its peak year is 2020, with 6 sets containing it. The set with the most copies is 8635 Mission 6: Mobile Command Center: 10 copies, against an average of 2.7 per set.

It is spread across several themes, led by Ninjago (29%), Racers (20%) and Technic (14%). With 59 sets, it ranks no. 1,514 of 2,731 parts in our database and no. 54 of 100 in the Wheels and Tyres category.

Sets containing part 55978, by period

PeriodSets
2007-200913
2010-201930
2020-202616

Colours of part 55978

Part 55978 exists in a single colour: black.

Colour (element ID)SetsPiecesExample sets
Black6518542 · 449923459159421657176371776

Where to buy part 55978

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

Sets that include part 55978

Sets ranked by popularity that include at least one part 55978, in any colour.

Frequently asked questions

How many LEGO sets include part 55978?

Part 55978 (Tyre 37 x 22 ZR) appears in 59 sets listed on Setopedia, from 2007 to 2026, in any colour.

Which LEGO set contains the most copies of part 55978?

Set 8635 Mission 6: Mobile Command Center, released in 2008, contains 10 copies, the highest count in our database. On average, a set containing part 55978 has 2.7.

Which colours does LEGO part 55978 come in?

1 colours are listed for part 55978. The most common is Black, found in 59 sets.

What is the element ID of part 55978 in black?

In black, part 55978 has element ID 6518542 or 4499234. Number 55978 is the mould number, the same for every colour.

Is LEGO part 55978 still used in recent sets?

Yes: it appears in sets released in 2026, such as 71864 Kai and Cole's Combiner Vehicles.

Where can I buy LEGO part 55978 individually?

Single parts 55978 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.