LEGO part 55978: Tyre 37 x 22 ZR

Specifications
| Reference | 55978 |
|---|---|
| Category | Wheels and Tyres |
| Material | Rubber |
| Colours | 1 |
| Sets | 59 |
| Listed pieces | 159 |
| First appearance | 2007 |
| Latest appearance | 2026 |
| Element (Black) | 6518542 · 4499234 |
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
| Period | Sets | |
|---|---|---|
| 2007-2009 | 13 | |
| 2010-2019 | 30 | |
| 2020-2026 | 16 |
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.
42165Mercedes-AMG F1 W14 Pull-Back2024 · 240 piecesView the set
71763Lloyd's Race Car EVO2022 · 279 piecesView the set
71776Jay and Nya's Race Car EVO2022 · 536 piecesView the set
31127Street Racer2022 · 258 piecesView the set
71737X-1 Ninja Charger2021 · 599 piecesView the set
70641Ninja Nightcrawler2018 · 552 piecesView the set
60036 Arctic Base Camp2014 · 733 pieces
21327 Typewriter2021 · 2,080 pieces
70639 Street Race of Snake Jaguar2018 · 308 pieces
70600 Ninja Bike Chase2016 · 231 pieces
3D42046 Getaway Racer2016 · 170 pieces
71710 Ninja Tuner Car2020 · 428 pieces
76148 Spider-Man vs. Doc Ock2020 · 242 pieces
42104 Race Truck2020 · 227 pieces
70667 Kai's Blade Cycle & Zane's Snowmobile2019 · 377 pieces
42091 Police Pursuit2019 · 120 pieces
60188 Mining Experts Site2018 · 883 pieces
70622 Desert Lightning2017 · 201 pieces
31103 Rocket Truck2020 · 198 pieces
3D42048 Race Kart2016 · 345 pieces
60122 Volcano Crawler2016 · 324 pieces
3D42026 Black Champion Racer2014 · 138 pieces
42011 Race Car2013 · 158 pieces
76142 Avengers Speeder Bike Attack2020 · 251 pieces
76113 Spider-Man Bike Rescue2019 · 243 pieces
70616 Ice Tank2017 · 914 pieces
75549 Unstoppable Bike Chase2020 · 136 pieces
60151 Dragster Transporter2017 · 333 pieces
70911 The Penguin Arctic Roller2017 · 305 pieces
3D42033 Record Breaker2015 · 125 pieces
70727 X-1 Ninja Charger2014 · 426 pieces
76012 Batman: The Riddler Chase2014 · 305 pieces
9447 Lasha's Bite Cycle2012 · 250 pieces
9441 Kai's Blade Cycle2012 · 188 pieces
8635 Mission 6: Mobile Command Center2008 · 1,155 pieces
3D31070 Turbo Track Racer2017 · 670 pieces
70915 Two-Face Double Demolition2017 · 564 pieces
70725 Nindroid MechDragon2014 · 691 pieces
8484 Ultimate Build Lightning McQueen2011 · 242 pieces
70162 Infearno Interception2014 · 312 pieces
72006 Axl's Rolling Arsenal2018 · 604 pieces
71864 Kai and Cole's Combiner Vehicles2026 · 394 pieces
71828 Lloyd's Pull-Back Race Car2025 · 181 pieces
71816 Zane's Ice Motorcycle2024 · 84 pieces
76245 Ghost Rider Mech & Bike2023 · 264 pieces
8678 Ultimate Build Francesco2011 · 196 pieces
8221 Storming Enforcer2011 · 97 pieces
8167 Jump Riders2009 · 209 pieces
8166 Wing Jumper2009 · 203 pieces
8164 Extreme Wheelie2009 · 87 pieces
8496 Desert Hammer2008 · 510 pieces
3D8160 Cruncher Block & Racer X2008 · 367 pieces
8490 Desert Hopper2008 · 92 pieces
8493 Red Ace2008 · 82 pieces
8491 Ram Rod2008 · 72 pieces
8140 Tow Trasher2007 · 184 pieces
8137 Booster Beast2007 · 70 pieces
8139 Night Blazer2007 · 66 pieces
8136 Fire Crusher2007 · 65 pieces
Related parts
More parts in the Wheels and Tyres category
6578 Tyre 30.4 x 14 VR65 sets
56891 Tyre 37 x 18 R Balloon62 sets
93594 Wheel 11 x 6 with Smooth Hubcap60 sets
56902 Wheel 18 x 8 with Fake Bolts and Shallow Spokes59 sets
56908 Wheel 43.2 x 26 Technic Racing Small with 6 Pinholes58 sets
51011 Tyre 17.5 x 6 with Shallow Staggered Treads57 sets
30648 Tyre 24 x 14 Shallow Tread (Tread Small Hub)57 sets
60700 Tyre 21 x 12 with Offset Tread Small Wide and Beveled Tread Edge54 sets
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.

Wheel 30.4 x 20 without Pinholes, with Reinforced Rim56145 · Paired part