LEGO part 11946: Technic Panel Fairing #21 5L Small Smooth, Side B

Specifications
| Reference | 11946 |
|---|---|
| Category | Technic Panels |
| Material | ABS plastic |
| Colours | 25 |
| Sets | 195 |
| Listed pieces | 702 |
| First appearance | 2013 |
| Latest appearance | 2026 |
| Element (Black) | 6316923 · 6023036 |
LEGO part 11946, Technic Panel Fairing #21 5L Small Smooth, Side B, belongs to the Technic Panels category. It exists in 25 colours and appears in 195 sets of our database, from 2013 to 2026, for a total of 702 listed pieces. Its most common colour is Black.
Number 11946 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 6316923.
Part 11946 through the years
The oldest set in our database that contains part 11946 is 42000 Grand Prix Racer, released in 2013 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 2026, with 19 sets containing it. The set with the most copies is 42083 Bugatti Chiron: 25 copies, against an average of 3.6 per set.
The part is closely tied to the Technic theme: 80% of the sets that contain it belong to it. With 195 sets, it ranks no. 741 of 2,731 parts in our database and no. 2 of 45 in the Technic Panels category.
Sets containing part 11946, by period
| Period | Sets | |
|---|---|---|
| 2013-2019 | 76 | |
| 2020-2026 | 119 |
Colours of part 11946
3 colours appear in only one set: olive green (42110 Land Rover Defender), sand green (75533 Boba Fett) and bright pink (42220 Monster Jam Sparkle Smash Pull-Back).
| Colour (element ID) | Sets | Pieces | Example sets |
|---|---|---|---|
| Black6316923 · 6023036 | 85 | 260 | 421434213842123 |
| White6330084 · 6114580 | 38 | 70 | 421754214542130 |
| Red6340601 · 6022750 | 34 | 77 | 421434214542144 |
| Orange6340604 · 6022767 | 23 | 47 | 421284214142126 |
| Dark Bluish Gray6330085 · 6197965 | 15 | 45 | 421464215642115 |
| Blue6352643 · 6330924 | 13 | 21 | 421434212342141 |
| Light Bluish Gray6524693 · 6340661 | 11 | 22 | 421284212342107 |
| Dark Blue6352645 · 6174854 | 10 | 30 | 717524208342154 |
| Yellow6352653 · 6251190 | 10 | 18 | 421314211442151 |
| Lime6340657 · 6218483 | 9 | 24 | 421384215642115 |
| Green6619980 · 6374530 | 6 | 13 | 421364200870755 |
| Dark Azure6352649 · 6203232 | 6 | 11 | 420834209842095 |
| Dark Tan6593774 · 6352644 | 5 | 19 | 421104208375116 |
| Bright Light Orange6476816 · 6286429 | 4 | 8 | 421724210160158 |
| Reddish Orange6483805 | 3 | 7 | 422324222242177 |
| Dark Purple6575451 · 6192126 | 3 | 4 | 420697187242220 |
| Dark Turquoise6528359 · 6337272 | 2 | 5 | 4211742208 |
| Bright Green6584473 | 2 | 5 | 4222442241 |
| Tan6121107 | 2 | 3 | 7511275109 |
| Medium Azure6134349 | 2 | 3 | 4205942050 |
| Reddish Brown6179626 | 2 | 3 | 7553275535 |
| Vibrant Yellow6398780 | 2 | 3 | 4214542164 |
| Olive Green6347317 · 6278079 | 1 | 2 | 42110 |
| Sand Green6203244 | 1 | 1 | 75533 |
| Bright Pink6573658 | 1 | 1 | 42220 |
Where to buy part 11946
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 11946
Sets ranked by popularity that include at least one part 11946, in any colour.
42128Heavy Duty Tow Truck2021 · 2,017 piecesView the set
42143Ferrari Daytona SP32022 · 3,778 piecesView the set
42138Ford Mustang Shelby GT5002022 · 544 piecesView the set
3D42123McLaren Senna GTR2021 · 830 piecesView the set
42175Volvo FMX Truck & EC230 Electric Excavator2024 · 2,274 piecesView the set
42146Liebherr Crawler Crane LR 130002023 · 2,883 piecesView the set
42156 Peugeot 9X8 Le Mans Hybrid Hypercar2023 · 1,775 pieces
42127 The Batman - Batmobile2021 · 1,360 pieces
42145 Airbus H175 Rescue Helicopter2022 · 2,001 pieces
42130 BMW Motorrad M 1000 RR2022 · 1,922 pieces
42141 McLaren Formula 1 Team 2022 (First Edition)2022 · 1,432 pieces
42144 Material Handler2022 · 835 pieces
42140 App-Controlled Transformation Vehicle2022 · 772 pieces
42131 Cat D11 Bulldozer2021 · 3,854 pieces
3D42125 Ferrari 488 GTE "AF Corse #51"2021 · 1,684 pieces
42115 Lamborghini Sián FKP 372020 · 3,696 pieces
3D42107 Ducati Panigale V4 R2020 · 646 pieces
3D42110 Land Rover Defender2019 · 2,573 pieces
42171 Mercedes-AMG F1 W14 E Performance2024 · 1,642 pieces
42165 Mercedes-AMG F1 W14 Pull-Back2024 · 240 pieces
42176 Porsche GT4 e-Performance2024 · 834 pieces
42137 Formula E Porsche 99X Electric2022 · 422 pieces
3D42129 4x4 Mercedes-Benz Zetros Trial Truck2021 · 2,131 pieces
42126 Ford F-150 Raptor2021 · 1,379 pieces
71752 Ninja Sub Speeder2021 · 356 pieces
3D42111 Dom's Dodge Charger2020 · 1,077 pieces
42083 Bugatti Chiron2018 · 3,599 pieces
42172 McLaren P12024 · 3,893 pieces
42154 2022 Ford GT2023 · 1,466 pieces
3D42122 Jeep Wrangler2021 · 665 pieces
42118 Monster Jam Grave Digger2021 · 212 pieces
42114 6x6 Volvo Articulated Hauler2020 · 2,193 pieces
3D42096 Porsche 911 RSR2019 · 1,580 pieces
42082 Rough Terrain Crane2018 · 4,056 pieces
42151 Bugatti Bolide2023 · 905 pieces
10304 Chevrolet Camaro Z/28 19692022 · 1,456 pieces
3D42120 Rescue Hovercraft2021 · 457 pieces
42119 Monster Jam Max-D2021 · 230 pieces
42117 Race Plane2021 · 154 pieces
3D42099 4x4 X-treme Off-Roader2019 · 958 pieces
42056 Porsche 911 GT3 RS2016 · 2,704 pieces
42136 John Deere 9620R 4WD Tractor2022 · 390 pieces
42135 Monster Jam El Toro Loco2022 · 247 pieces
3D42106 Stunt Show Truck & Bike2020 · 610 pieces
42098 Car Transporter2019 · 2,493 pieces
3D42093 Chevrolet Corvette ZR12019 · 579 pieces
3D42095 Remote-Controlled Stunt Racer2019 · 324 pieces
42055 Bucket Wheel Excavator2016 · 3,929 pieces
42158 NASA Mars Rover Perseverance2023 · 1,132 pieces
42139 All-Terrain Vehicle2022 · 764 pieces
3D42116 Skid Steer Loader2021 · 139 pieces
51515 Robot Inventor2020 · 949 pieces
3D42105 Catamaran2020 · 405 pieces
42078 Mack Anthem2018 · 2,595 pieces
42159 Yamaha MT-10 SP2023 · 1,478 pieces
42153 NASCAR Next Gen Chevrolet Camaro ZL12023 · 672 pieces
71748 Catamaran Sea Battle2021 · 780 pieces
3D42109 App-Controlled Top Gear Rally Car2020 · 463 pieces
42103 Dragster2020 · 225 pieces
42100 Liebherr R 9800 Excavator2019 · 4,108 pieces
42043 Mercedes-Benz Arocs 32452015 · 2,793 pieces
42155 The Batman - Batcycle2023 · 641 pieces
3D42113 Bell Boeing V-22 Osprey2020 · 1,636 pieces
3D42077 Rally Car2018 · 1,005 pieces
3D42063 BMW R 1200 GS Adventure2017 · 603 pieces
3D42054 CLAAS XERION 5000 TRAC VC2016 · 1,976 pieces
Related parts
Often found with part 11946
Parts that share the most sets with part 11946, based on set inventories.
Technic Panel Curved and Bent 6 x 324116 · 88 shared sets
Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface24119 · 68 shared sets
Technic Axle and Pin Connector Perpendicular Triple63869 · 135 shared sets
Technic Panel Fairing 2 x 3 x 171682 · 67 shared sets
Technic Panel 3 x 11 x 115458 · 76 shared sets
Technic Panel Fairing #1 Small Smooth Short, Side A87080 · 77 shared sets
Technic Panel Fairing #2 Small Smooth Short, Side B87086 · 76 shared sets
Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)65489 · 69 shared sets
More parts in the Technic Panels category
64683 Technic Panel Fairing # 3 Small Smooth Long, Side A128 sets
64391 Technic Panel Fairing # 4 Small Smooth Long, Side B125 sets
64782 Technic Panel 5 x 11 x 1124 sets
64681 Technic Panel Fairing #5 Long Smooth, Side A98 sets
64393 Technic Panel Fairing #6 Long Smooth, Side B97 sets
89679 Technic Panel Fairing 2 x 1 x 191 sets
62531 Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface80 sets
2389 Technic Panel Fairing #8 3L Very Small Smooth, Side B74 sets
Frequently asked questions
How many LEGO sets include part 11946?
Part 11946 (Technic Panel Fairing #21 5L Small Smooth, Side B) appears in 195 sets listed on Setopedia, from 2013 to 2026, in any colour.
Which LEGO set contains the most copies of part 11946?
Set 42083 Bugatti Chiron, released in 2018, contains 25 copies, the highest count in our database. On average, a set containing part 11946 has 3.6.
Which colours does LEGO part 11946 come in?
25 colours are listed for part 11946. The most common is Black, found in 85 sets.
What is the rarest colour of part 11946?
According to our inventories, it is sand green, found in only 1 set (75533 Boba Fett).
What is the element ID of part 11946 in black?
In black, part 11946 has element ID 6316923 or 6023036. Number 11946 is the mould number, the same for every colour.
Is LEGO part 11946 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 11946 individually?
Single parts 11946 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 #22 5L Small Smooth, Side A11947 · Paired part