LEGO part 62821b: Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge]

LEGO part 62821b, Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge], belongs to the Technic Gears category. It exists in 1 colours and appears in 64 sets of our database, from 2008 to 2026, for a total of 81 listed pieces. Its most common colour is Dark Bluish Gray.

Number 62821b 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 bluish gray, it is 4562210.

Part 62821b through the years

The oldest set in our database that contains part 62821b is 8297 Off-Roader, released in 2008 in the Technic theme. It is still in use: the most recent set featuring it, 42228 McLaren MCL39 F1 Car, dates from 2026.

Its peak year is 2026, with 13 sets containing it. The set with the most copies is 42070 6x6 All Terrain Tow Truck: 3 copies, against an average of 1.3 per set.

The part is closely tied to the Technic theme: 97% of the sets that contain it belong to it. With 64 sets, it ranks no. 1,441 of 2,731 parts in our database and no. 22 of 46 in the Technic Gears category.

Sets containing part 62821b, by period