LEGO part 2403: Technic Panel Fairing #10 Medium Triangle Smooth

Specifications
| Reference | 2403 |
|---|---|
| Category | Technic Panels |
| Material | ABS plastic |
| Colours | 18 |
| Sets | 44 |
| Listed pieces | 126 |
| First appearance | 2023 |
| Latest appearance | 2026 |
| Element (Black) | 6510087 · 6426604 |
LEGO part 2403, Technic Panel Fairing #10 Medium Triangle Smooth, belongs to the Technic Panels category. It exists in 18 colours and appears in 44 sets of our database, from 2023 to 2026, for a total of 126 listed pieces. Its most common colour is Black.
Number 2403 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 6510087.
Part 2403 through the years
The oldest set in our database that contains part 2403 is 42156 Peugeot 9X8 Le Mans Hybrid Hypercar, released in 2023 in the Technic theme. It is still in use: the most recent set featuring it, 42232 Koenigsegg Sadair's Spear Megacar, dates from 2026.
Its peak year is 2024, with 13 sets containing it. The set with the most copies is 42232 Koenigsegg Sadair's Spear Megacar: 13 copies, against an average of 2.9 per set.
The part is closely tied to the Technic theme: 89% of the sets that contain it belong to it. With 44 sets, it ranks no. 1,789 of 2,731 parts in our database and no. 26 of 45 in the Technic Panels category.
Sets containing part 2403, by period
| Period | Sets | |
|---|---|---|
| 2023 | 10 | |
| 2024 | 13 | |
| 2025 | 10 | |
| 2026 | 11 |
Colours of part 2403
9 colours appear in only one set: bright light orange (42172 McLaren P1), bright green (42241 Green Bugatti Chiron Pur Sport Hypercar), dark tan (42232 Koenigsegg Sadair's Spear Megacar), orange (42196 Lamborghini Huracán Tecnica Orange), sand blue (42201 Deep-Sea Research Submarine), …
| Colour (element ID) | Sets | Pieces | Example sets |
|---|---|---|---|
| Black6510087 · 6426604 | 24 | 62 | 421754217142165 |
| White6513890 · 6485964 | 4 | 10 | 421754223442211 |
| Dark Bluish Gray6510088 · 6426608 | 4 | 9 | 421567179945826 |
| Reddish Orange6510091 · 6472388 | 4 | 8 | 422324222242181 |
| Red6534283 | 3 | 8 | 422384220242212 |
| Green6510086 · 6408170 | 3 | 6 | 421684582342149 |
| Lime6510089 · 6454584 | 2 | 3 | 4222942161 |
| Dark Azure6535521 | 2 | 3 | 400004842217 |
| Yellow6533793 | 2 | 2 | 4223642205 |
| Bright Light Orange6513889 · 6476799 | 1 | 4 | 42172 |
| Bright Green6584466 | 1 | 3 | 42241 |
| Dark Tan6593762 | 1 | 2 | 42232 |
| Orange6510090 · 6460713 | 1 | 1 | 42196 |
| Sand Blue6518367 | 1 | 1 | 42201 |
| Dark Turquoise6528253 | 1 | 1 | 42208 |
| Light Bluish Gray6461851 | 1 | 1 | 42214 |
| Blue6597517 | 1 | 1 | 42226 |
| Dark Blue6621406 | 1 | 1 | 42236 |
Where to buy part 2403
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 2403
Sets ranked by popularity that include at least one part 2403, in any colour.
42175Volvo FMX Truck & EC230 Electric Excavator2024 · 2,274 piecesView the set
42156Peugeot 9X8 Le Mans Hybrid Hypercar2023 · 1,775 piecesView the set
42171Mercedes-AMG F1 W14 E Performance2024 · 1,642 piecesView the set
42165Mercedes-AMG F1 W14 Pull-Back2024 · 240 piecesView the set
42176Porsche GT4 e-Performance2024 · 834 piecesView the set
42172McLaren P12024 · 3,893 piecesView the set
42151 Bugatti Bolide2023 · 905 pieces
71799 NINJAGO City Markets2023 · 6,163 pieces
42159 Yamaha MT-10 SP2023 · 1,478 pieces
42155 The Batman - Batcycle2023 · 641 pieces
42160 Audi RS Q e-tron2023 · 914 pieces
42232 Koenigsegg Sadair's Spear Megacar2026 · 4,104 pieces- 4000048 Bugatti Type 352026 · 1,600 pieces
42231 Fast and Furious Dodge Charger R/T Car2026 · 1,516 pieces
42236 Custom Garage Ford Mustang GT Car2026 · 973 pieces
42229 Fast and Furious Mitsubishi Eclipse Car2026 · 827 pieces
42234 Dodge Viper GTS-R Sports Car2026 · 805 pieces
42223 1966 Ford GT40 MKII Race Car2026 · 793 pieces
42241 Green Bugatti Chiron Pur Sport Hypercar2026 · 773 pieces
42222 Bugatti Chiron Pur Sport Hypercar2026 · 771 pieces
42226 BMW M4 GT3 EVO Race Car2026 · 747 pieces
42238 Ducati Desmo450 MX Factory Motorcycle2026 · 457 pieces
42215 Volvo EC500 Hybrid Excavator2025 · 2,359 pieces
42202 Ducati Panigale V4 S Motorcycle2025 · 1,603 pieces
71500 Nightmare Shark Submarine2025 · 1,413 pieces
42214 Lamborghini Revuelto Super Sports Car2025 · 1,135 pieces
42211 Lunar Outpost Moon Rover Space Vehicle2025 · 1,082 pieces
42212 Ferrari FXX K2025 · 897 pieces
42217 Chevrolet Corvette Stingray Blue2025 · 732 pieces
42205 Chevrolet Corvette Stingray2025 · 732 pieces
42208 Aston Martin Valkyrie2025 · 708 pieces
42201 Deep-Sea Research Submarine2025 · 413 pieces
45826 SUBMERGED Challenge Set2024 · 1,916 pieces
42181 VTOL Heavy Cargo Spaceship LT812024 · 1,365 pieces
42196 Lamborghini Huracán Tecnica Orange2024 · 806 pieces
42173 Koenigsegg Jesko Absolut Grey Hypercar2024 · 801 pieces
42184 Koenigsegg Jesko Absolut White Hypercar2024 · 801 pieces
42170 Kawasaki Ninja H2 Motorcycle2024 · 643 pieces
42168 John Deere 9700 Forage Harvester2024 · 559 pieces
42178 Surface Space Loader2024 · 435 pieces
45823 MASTERPIECE Challenge Kit2023 · 1,756 pieces
42162 Bugatti Bolide Agile Blue2023 · 905 pieces
42161 Lamborghini Huracán Tecnica2023 · 806 pieces
42149 Monster Jam Dragon2023 · 217 pieces
Related parts
Often found with part 2403
Parts that share the most sets with part 2403, based on set inventories.
Technic Panel Fairing #7 3L Very Small Smooth, Side A2387 · 37 shared sets
Technic Panel Fairing #8 3L Very Small Smooth, Side B2389 · 37 shared sets
Technic Panel Fairing 2 x 3 x 1 #3 Angled 157.5°2457 · 20 shared sets
Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick71708 · 40 shared sets
Technic Panel Triangle 5 x 4 Left80278 · 18 shared sets
Technic Panel Triangle 5 x 4 Right80274 · 18 shared sets
Technic Panel Fairing 2 x 1 x 189679 · 34 shared sets
Technic Panel Fairing 2 x 3 x 171682 · 31 shared sets
More parts in the Technic Panels category
64680 Technic Panel Fairing #14 Large Short Smooth, Side B50 sets
64682 Technic Panel Fairing #18 Large Smooth, Side B50 sets
64392 Technic Panel Fairing #17 Large Smooth, Side A50 sets
64394 Technic Panel Fairing #13 Large Short Smooth, Side A49 sets
18944 Technic Panel Curved 3 x 1343 sets
11954 Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface42 sets
18945 Technic Panel 5 x 11 x 1 Tapered38 sets
67139 Technic Panel 3 x 5 with Wall Mount Hole36 sets
Frequently asked questions
How many LEGO sets include part 2403?
Part 2403 (Technic Panel Fairing #10 Medium Triangle Smooth) appears in 44 sets listed on Setopedia, from 2023 to 2026, in any colour.
Which LEGO set contains the most copies of part 2403?
Set 42232 Koenigsegg Sadair's Spear Megacar, released in 2026, contains 13 copies, the highest count in our database. On average, a set containing part 2403 has 2.9.
Which colours does LEGO part 2403 come in?
18 colours are listed for part 2403. The most common is Black, found in 24 sets.
What is the rarest colour of part 2403?
According to our inventories, it is orange, found in only 1 set (42196 Lamborghini Huracán Tecnica Orange).
What is the element ID of part 2403 in black?
In black, part 2403 has element ID 6510087 or 6426604. Number 2403 is the mould number, the same for every colour.
Is LEGO part 2403 still used in recent sets?
Yes: it appears in sets released in 2026, such as 42232 Koenigsegg Sadair's Spear Megacar.
Where can I buy LEGO part 2403 individually?
Single parts 2403 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 Panel Fairing #9 Medium Triangle Smooth2395 · Paired part