LEGO part 50451: Technic Axle 16

Specifications
| Reference | 50451 |
|---|---|
| Category | Technic Axles |
| Material | ABS plastic |
| Colours | 3 |
| Sets | 71 |
| Listed pieces | 140 |
| First appearance | 2004 |
| Latest appearance | 2026 |
| Element (Black) | 6317564 · 6043747 |
LEGO part 50451, Technic Axle 16, belongs to the Technic Axles category. It exists in 3 colours and appears in 71 sets of our database, from 2004 to 2026, for a total of 140 listed pieces. Its most common colour is Black.
Number 50451 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 6317564.
Part 50451 through the years
The oldest set in our database that contains part 50451 is 3578 NHL Championship Challenge, released in 2004 in the Sports theme. It is still in use: the most recent set featuring it, 11377 The Lord of the Rings: Minas Tirith, dates from 2026.
Its peak year is 2026, with 9 sets containing it. The set with the most copies is 10196 Grand Carousel: 8 copies, against an average of 2 per set.
It is spread across several themes, led by Technic (10%), City (10%) and Star Wars (10%). With 71 sets, it ranks no. 1,371 of 2,731 parts in our database and no. 20 of 22 in the Technic Axles category.
Sets containing part 50451, by period
| Period | Sets | |
|---|---|---|
| 2004-2009 | 10 | |
| 2010-2019 | 17 | |
| 2020-2026 | 44 |
Where to buy part 50451
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 50451
Sets ranked by popularity that include at least one part 50451, in any colour.
42138Ford Mustang Shelby GT5002022 · 544 piecesView the set
71411The Mighty Bowser2022 · 2,807 piecesView the set
42131Cat D11 Bulldozer2021 · 3,854 piecesView the set
42137Formula E Porsche 99X Electric2022 · 422 piecesView the set
60421Robot World Roller-Coaster Park2024 · 986 piecesView the set
75355X-Wing Starfighter2023 · 1,949 piecesView the set
10302 Optimus Prime2022 · 1,508 pieces
10294 Titanic2021 · 9,092 pieces
60414 Fire Station with Fire Truck2024 · 844 pieces
75159 Death Star2016 · 4,024 pieces
10303 Loop Coaster2022 · 3,756 pieces
75306 Imperial Probe Droid2021 · 693 pieces
75325 The Mandalorian's N-1 Starfighter2022 · 412 pieces
40573 Christmas Tree2022 · 784 pieces
10188 Death Star2008 · 3,807 pieces
3D76139 1989 Batmobile2019 · 3,310 pieces
42009 Mobile Crane MK II2013 · 2,607 pieces
3D10298 Vespa 1252022 · 1,107 pieces
71748 Catamaran Sea Battle2021 · 780 pieces
3D21323 Grand Piano2020 · 3,662 pieces
43179 Mickey Mouse & Minnie Mouse2020 · 1,739 pieces
10244 Fairground Mixer2014 · 1,745 pieces
3D75144 Snowspeeder2017 · 1,703 pieces
4184 Black Pearl2011 · 805 pieces
41375 Heartlake City Amusement Pier2019 · 1,267 pieces
4195 Queen Anne's Revenge2011 · 1,097 pieces
10196 Grand Carousel2009 · 3,261 pieces
70810 MetalBeard's Sea Cow2014 · 2,743 pieces
7674 V-19 Torrent2008 · 471 pieces
8674 Ferrari F1 Racer 1:82006 · 1,246 pieces
60162 Jungle Air Drop Helicopter2017 · 1,250 pieces
70632 Quake Mech2017 · 1,202 pieces
76013 Batman: The Joker Steam Roller2014 · 488 pieces
70004 Wakz' Pack Tracker2013 · 297 pieces
3D7746 Single-Drum Roller2009 · 208 pieces
4000025 Ferguson Tractor2018 · 445 pieces
3D8416 Forklift2005 · 729 pieces
3578 NHL Championship Challenge2004 · 396 pieces
11377 The Lord of the Rings: Minas Tirith2026 · 8,278 pieces
910059 Privateer Frigate Fortuna2026 · 4,086 pieces
910060 Sushi Restaurant2026 · 3,604 pieces- 45834 BIOGLOW Future Edition Set2026 · 1,990 pieces
72051 Donkey Kong Arcade2026 · 1,367 pieces
60501 Lava Land Roller Coaster Park2026 · 1,165 pieces
11507 Olivia Rodrigo’s Flower Bouquet2026 · 400 pieces
11514 Cosmos Flowers2026 · 171 pieces
11508 Daisies2026 · 133 pieces
10366 Tropical Aquarium2025 · 4,154 pieces
60470 Explorer Train2025 · 1,525 pieces
10347 Petite Sunny Bouquet2025 · 373 pieces
10344 Lucky Bamboo2025 · 325 pieces
42177 Mercedes-Benz G 500 PROFESSIONAL Line2024 · 2,891 pieces
910035 Logging Railway2024 · 2,731 pieces
80054 Megapolis City 5th Anniversary2024 · 2,330 pieces
71437 The Bowser Express Train2024 · 1,396 pieces
76924 Mercedes-AMG G 63 & Mercedes-AMG SL 632024 · 811 pieces
42169 NEOM McLaren Formula E Race Car2024 · 452 pieces
60438 Sailboat2024 · 103 pieces
41748 Heartlake City Community Center2023 · 1,513 pieces
71469 Nightmare Shark Ship2023 · 1,389 pieces
41751 Skate Park2023 · 431 pieces
45400 BricQ Motion Prime2021 · 568 pieces
45401 BricQ Motion Essential2021 · 523 pieces
2000470 BricQ Motion Prime Personal Learning Kit2021 · 78 pieces
45813 RePLAY Challenge Kit2020 · 1,600 pieces
19002 Antique Fire Engine2019 · 1,279 pieces
More parts in the Technic Axles category
Frequently asked questions
How many LEGO sets include part 50451?
Part 50451 (Technic Axle 16) appears in 71 sets listed on Setopedia, from 2004 to 2026, in any colour.
Which LEGO set contains the most copies of part 50451?
Set 10196 Grand Carousel, released in 2009, contains 8 copies, the highest count in our database. On average, a set containing part 50451 has 2.
Which colours does LEGO part 50451 come in?
3 colours are listed for part 50451. The most common is Black, found in 51 sets.
What is the rarest colour of part 50451?
According to our inventories, it is bright green, found in only 4 sets (11507 Olivia Rodrigo’s Flower Bouquet, 11514 Cosmos Flowers).
What is the element ID of part 50451 in black?
In black, part 50451 has element ID 6317564 or 6043747. Number 50451 is the mould number, the same for every colour.
Is LEGO part 50451 still used in recent sets?
Yes: it appears in sets released in 2026, such as 11377 The Lord of the Rings: Minas Tirith.
Where can I buy LEGO part 50451 individually?
Single parts 50451 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.






![Technic Axle 5.5 with Stop [Flat Short End]](https://setobrick.com/files/part-32209.jpg)

