The Brick Architect

Most Common LEGO Parts (All Years)

This page shows the most common LEGO parts based on the assumption that you bought one of every set ever released! This is a very good way to approximate the most common parts across The LEGO Group's 70-year history producing interlocking plastic bricks.

Parts sorted by the overall ranking for each part. This is a weighted scoring system that takes into account the number of pieces, the number of sets, and the number of unique colors.

ShowCurrentAll Years

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

3751 to 4000

Part Name(Part Number)

Overall
Rank

6×3×2⅓ ½-Dome7202

2025-20262 years

Plate Special 2 x 4 with Train Coupler Closed for Hook737

1966-19727 years

Equipment Scabbard with Shoulder Strap95348

2011-20133 years

Fabuland, Vehicle Base, Car Chassis 12 x 6 with Tow Hook [Complete Assembly]4362acx1

1982-19887 years

Hair Long Straight with Bangs - Hard Plastic75867

2024-20263 years

Duplo Wheelbarrow with Thick Black Wheels92938

2010-202516 years

Duplo Animal Pig, Adult75722

1996-200712 years

Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm)47225

2002-201413 years

Windscreen 3 x 10 x 32694

1986-201429 years

Vehicle Base 4 x 14 x 2 1/3, 2 x 12 Recessed Center, Pins, Pin Holes30642

2001-20033 years

Electric Connector, 1 Way Male Rounded with Hollow Pin (Banana Plug)996ac01

1967-19715 years

Scala Foam, Dot22935d

Wheel 41mm Znap Thin Tread32247

1999-20035 years

Large Figure Weapon Staff, Vahki Staff of Loyalty (Bordakh)47337

2004-20085 years

2023-20264 years

Scala, Equipment, Towel Bar 1 x 56969

1997-20015 years

Arrow w/ Shaft70694

2021-20255 years

Ladder Two Piece, Top Section421

1969-197911 years

Battery Box, 4.5V 6 x 11 x 3 1/3 Type 3 [Complete Assembly]468c03

1976-198712 years

Wheel 30.4 x 14 Solid Smooth32146

2000-20078 years

Belville / Scala, Equipment Award Ribbon33175

2001-20088 years

Yarn Ball (Wool)6900

2025-20262 years

Technic Beam Rotor 3 Blade Thin44374

2002-20109 years

Large Figure Weapon Staff, Rahkshi Staff of Disintegration (Guurahk)44817

2003-201513 years

Windscreen 2 x 10 x 324607

2015-202612 years

Duplo Shovel (Old Style)4572

1983-199210 years

Technic Beam 3 x 7 L-Shape Double45803

2004-20063 years

Duplo Building Wall 1 x 8 x 6 with Window Opening, Hinge on Left53916

2006-20127 years

Motor, 9V 5 x 4 x 2 1/3, Dark Gray Bottom2838c01

1990-200213 years

Sports Basketball Net43374

2002-20065 years

Large Figure Shield 5 x 5 with 7 Fins45274

2003-20108 years

Large Figure Limb Cover / Back Plate (Hydruka)59577

2007-20104 years

Technic Car Spoiler 3 x 8 [Three Holes]61073

2008-20103 years

Duplo Toolo Propeller Small with Yellow Center Screw6669c01

1995-200814 years

Slope, Curved 8 x 8 x 2 Double with Cutout54096

2006-202318 years

14L Jagged Blade w/ Axle98856

2022-20265 years

Technic Panel RC Car Flexible Bumper Right45784

2004-20063 years

Technic Panel RC Car Flexible Bumper Left45786

2004-20063 years

45° 4×4×6 Window Frame, Sloped, Convex4741

1986-19905 years

Windscreen 4 x 4 x 2 Canopy Extender, Hinge2337

1987-200115 years

Tile Special 1 x 2 x 5/6 with Stud Hole in End Plain2835

Duplo Flashlight, 2 x 2 Base with Trans-Neon Orange Light41195c01

2001-20099 years

Duplo Boat Helm Support4657

1984-201431 years

Large Figure Shoulder Cover, Armor, Spiky54175

Duplo Brick Special 2 x 2 x 2, Star72134

2021-20255 years

Weapon Axe Head with Bar22407

2016-20194 years

Duplo Boat / Canoe 2 x 831165

2001-202525 years

Znap Connector 3 x 3 - 4 way A (Axial)32221

1998-19992 years

Exhaust Pipe Twin Inlet 11L Left4466

1983-200422 years

Exhaust Pipe Twin Inlet 11L Right4467

1983-200422 years

Aircraft Fuselage Curved Forward 8 x 16 Bottom54090

2006-201611 years

Large Figure Mask Krana Bo42042a

Large Figure Mask Krana Ja42042b

Large Figure Mask Krana Ca42042c

Large Figure Mask Krana Xa42042d

Large Figure Mask Krana Vu42042e

Large Figure Mask Krana Su42042f

Motor, Train Base, 9V [Complete Assembly]70358

1991-200616 years

Equipment Medical Neckwear Stethoscope98393a

2012-202615 years

Equipment Medical Clipboard98393b

2012-202615 years

Equipment Medical Otoscope98393c

2012-202615 years

Equipment Medical Thermometer98393d

2012-202615 years

Equipment Medical Spoon98393e

2012-202615 years

Equipment Medical Feeding Bottle98393f

2012-202615 years

Equipment Medical Ice Pack98393g

2012-202615 years

Headwear Accessory Hat with Small Pin (Nurse)98393h

2012-202615 years

Equipment Medical Pen98393j

2012-202615 years

Duplo Dump Truck Bed 4 x 4 x 2 (Tipper)14094

2013-202614 years

Technic Turntable Large Type 1, 56 Tooth [Complete Assembly]2856c01

1990-200314 years

Primo Vehicle Wagon without Tow Hitches31008

1995-20028 years

Duplo Tricycle with 4 studs31189

1998-20069 years

Container Cylindrical 3 x 8 x 5 with Pin Holes15361

2014-20163 years

Minifig Hipwear Ruffled Ballerina Tutu [Plain]24087

Scala, Building, Support Tall, Type 1, 28.5 Studs Long [Complete Assembly]33232c01

1997-20015 years

Windscreen Bohrok 4 x 5 x 7 [Plain]41671

2002-20109 years

Launcher, Large Figure Weapon Cannon, Midak Skyblaster with Black Housing [Complete Assembly]62233

2008-20103 years

Duplo Staircase, Curved with Drawer Slots6511

1995-200915 years

Duplo Doll Chair31313

2001-20088 years

10×4×⅔ Wedge w/ Cutout (Mudguard)3166

2023-20264 years

Duplo Shower Faucet15327

2013-202614 years

Duplo Plant Vine 13L (Duplo Length) without Studs6410

1995-200915 years

Duplo Chair with 4 Studs, Curved Back and Feet6477

1994-201219 years

Rope Bridge2549

1989-200921 years

Baseplate Raised 16 x 16 x 2 1/3 Ramp2642

1991-200313 years

Duplo Train Chassis with Yellow Drive Rod and Red Wheels4580c01

1983-201230 years

Windscreen 2 x 12 x 46267

1996-202631 years

Tile Remover Key, Heart [DOTS]69871

2021-20233 years

2×2×1⅔ w/ Worm Gear Hole73764

2023-20264 years

Animal Body Part, Dinosaur, Dilophosaurus / Gallimimus Lower Jaw with Teeth [Plain]49418

2020-20256 years

Pencil, LEGO Logo in Circle853917pencil

2013-202614 years

14 Tooth XL Sprocket42529

2019-20257 years

Launcher, Weapon Gun / Blaster / Shooter / Fire Nozzle Mini with Towball Socket23922

2016-20216 years

Storage Bin, Dacta, Large (new style)54189

2006-20149 years

Flexible Hose 8.5L with Tabless Ends Black (Ends different color than Tube)73590c01b

1987-201226 years

Wedge Plate 9 x 10 Boat Bow2621

1991-200616 years

Belville / Scala, Equipment Baby Potty33050

1997-200812 years

Door Frame 1 x 8 x 6 with Moulded Stone Print and Clips40242

2001-20077 years

Duplo Train Locomotive Cabin Roof 2 x 4 Studs51546

2005-20128 years

4×4 Cake Frosting65702

2020-20267 years

3×3 Cube w/ Ring (Dots)69182

2021-20222 years

Plate Special 2 x 4 with Train Coupler Open with Magnet Short Cylinder Red737ac01

1968-197710 years

Minidoll, Ball Gown, Octagonal80336

2023-20242 years

Storage Case Divider, Build-N-Store Chest6853

1990-19967 years

Ring 14 mm Inside Diameter [For Humans]36970a

2018-20269 years

Ring 16 mm Inside Diameter [For Humans]36970b

2018-20269 years

4×6, Plate w/ Ø4 Rounded Ends3766

2024-20263 years

Large Figure Armor Hockey Chest Protector44791

Weapon Gun / Blaster Small DC-17 (Star Wars Accessory)61190f

2008-20114 years

Wheel Train for 12V Electric Motor867

1980-19856 years

Motor, 4.5V Type 2 for 2-Prong Connectors with Middle Pin6216b

1982-199211 years

Brick Wedged, Sloped Inverted 3 x 3 x 2 Facet2464

1992-19976 years

Technic Axle Nut4698

1984-19907 years

Duplo Train Track Switcher with Red Switch51560

2005-202521 years

Znap Grid 9 x 7, 15 Holes32213

1998-19992 years

Ball, Winged (Quidditch Snitch)37704

2018-20269 years

1×9 Thin Beam w/ 3-Holes4586

2023-20264 years

Large Figure Head Connector Block Eye/Brain Stalk - Short57536

2007-20093 years

Large Figure Armor with Spikes [Flexible]92234

2011-20155 years

Lighting Bolt, Double59233

2019-20246 years

7×7 Dome, Flat w/ 2-Pin Holes1974

2023-20253 years

Hair Long with Curls at Ends18842

Hair Pigtails High, Long Bangs, Hole on Top, Hair Ties [Plain]20596

2022-20243 years

Helmet, Conquistador30048

1996-19972 years

Duplo Teapot [Plain]35735

2019-20268 years

Clikits Part Separator with Heart, Flower and Star on Handle46391b

2003-20042 years

Belville / Scala, Equipment, Tube Toothpaste6933a

1997-20048 years

Belville / Scala, Equipment, Bottle Pump6933b

1997-20048 years

Belville / Scala, Equipment, Bottle Simple6933c

1997-20048 years

Hair Tail High, Curly69857

2022-20254 years

Battery Cover, Train Car Roof 6 x 14699

1972-198716 years

Plate Special 4 x 8 with Trailer Hitch Pin967

1970-19756 years

Hair Long, Parted in Front and Swept Back Over Shoulders28321

Battery Box, 9V 4 x 14 x 4 with Dark Gray Base [Complete Assembly]2847c01

1990-200314 years

Large Figure Weapon Blade, Angled92221

2011-20133 years

Weapon Axe Head with Twin-Blade11096

2013-20164 years

Duplo Door / Window Frame 4 x 4 x 3 with Thin Top18857

2015-202511 years

Wing Plate Bi-level 8 x 4 and 2 x 3 1/3 Down30119

1997-19982 years

Brick Special 12 x 12 with 3 Pin Holes on Each Side and Axle Holes in Corners52040

2005-20084 years

Duplo Technic Brick 2 x 4 with 3 Holes6517

1995-201521 years

6×6 15-Tooth ¼ Gear Ring78442

2021-20266 years

3×4×8 Technic Large Motor (w/ Absolute Position) 22169

2019-20257 years

Clikits Icon, Shell 2 x 2 with Pin51675

Animal Body Part, Dinosaur / Whale Flipper with Pin40386

2001-20066 years

Weapon Sword Double Blade Serrated with Bar Holder (Chi Sword)13549

2013-20153 years

Tyre 68.8 x 40 Balloon Large2995

1994-200411 years

Duplo Sword, Thick51714

2004-20085 years

Road Sign Round on Pole [Fabuland]2038

1987-200418 years

4×10×1⅔ Wedge, Double Inverted w/ 4-Pin Holes65186

2020-20245 years

Scala, Building, Wall, Vertical Grooved 12 x 2 x 86860c01

1997-20004 years

Tyre 24 x 9.95033

2024-20263 years

Hinge Plate 1 x 6 with 2 and 3 Fingers On Sides4507

1985-200218 years

Windscreen 4 x 6 x 4 Cab with Hinge and 1 x 4 Bottom Cutout45406

2003-201513 years

Suspension w/ Fender, Axle Hole (Formula 1)6813

2025-20262 years

Horn / Car Air Horn71182

1996-20049 years

Brick Special, Train Front Sloping Base Wedged with 4 Studs on Front and 2 x 4 Cutout87619

2010-20156 years

Weapon Gun / Blaster with Hollow Studs on Sides and Inside Axle Holder24144

2016-20183 years

Hips and Dark Purple Medium Legs [Complete Assembly]37364c09

Duplo Propeller / Windmill 8 Blade Fan 6 x 63965

1979-199416 years

Duplo Winch Drum, Yellow Hook Short with Cross Bar, String4653c02

1984-200825 years

4×3 Window w/ Rounded Top, 4-Panes5260

2024-20263 years

10×4×13 Panel, Curved w/ 2-Bars, 4-Studs65783

2020-20245 years

Fairing, Motorcycle, Dirt Bike with 1 x 2 Studs75522

2021-20233 years

Clikits Icon, Flower 2 x 2 Large, 10 Petals with Pin [Frosted] Trans-Neon Orange Center Cabochon45455c01

2003-20042 years

Duplo Trap Door Grate 4 x 451706

2004-20118 years

Vehicle Base, Train 6 x 24 with Two 2 x 2 Openings and 3 Round Holes Each End, Reinforced on Bottom Side92088

2013-202311 years

Fabuland, Building, 2 x 6 x 7 with Window, Rectangular Yellow3980c02

1982-200019 years

Light Prism Brick, Train, 1 x 4 Holder2928

1991-200616 years

6×6×1⅓ Windscreen, Curved3383

2023-20264 years

40L Pneumatic Hose5102c40

1989-202133 years

10×16 Plate w/ Studs Edges, Bar 1-Edge (Book Cover)69934

2021-20233 years

Duplo Building Staircase2212

1989-200820 years

Duplo Plant Cactus31164

1998-201013 years

Motor Pullback 2 x 6 x 1 2/3 Type 2 [Fast] Black Base, White Axle42289

2002-20098 years

Minifig Neckwear Armor Double Shoulder Pad with Scabbard for 2 Katanas65183

Antenna (RC Receiver) with Yellow Tip71845

1998-20069 years

Large Figure Accessory, Hockey Puck [No Axlehole]44848

2003-20042 years

Street Sweeper Brush Axle 1 x 82497

1988-201225 years

Wheel 70 x 28 mm Futuristic32077

1998-20047 years

1×2 Beam w/ Towball5995

2025-20262 years

Minitalia Window 1 x 6 x 3 Panorama with 12 Panes604mi

1970-19778 years

Duplo Plate Round 4 x 4 [aka Table]15516

2014-20218 years

Technic Rack Winder [Complete Assembly]2426c01

1987-19937 years

Rock 2 x 2 Crystal 3 Point30213

1998-19992 years

Duplo Lamp Post42083

2002-20065 years

Duplo Door 1 x 4 x 46467

1994-200512 years

Modulex Brick 1 x 2 with M on Stud1121M

Scala, Table 7 x 7 x 1 1/36965

1997-19982 years

Wheel 68mm Znap Propeller (9 x 2)32220

1998-19992 years

Clikits Icon Accent, Star 3 1/4 x 3 1/4 with Textured Surface46580c

Brick Arch 2 x 6 x 5 Ornamented2145

1988-200013 years

Packaging, Case, Bottom, Throwbot / Slizer 'Flying'32194

1999-20002 years

Scala, Headwear, Hat, Baby33066

1997-20004 years

Scala, Container / Bucket / Basket Handle33082

1998-20014 years

Duplo Crane Arm (Full Assembly)55436

2001-201212 years

6×2×5⅓ Swing w/ 4-Studs67075

2020-20267 years

2×11 Pneumatic Cylinder19478

2015-202612 years

Technic Connector 3 x 1 x 4 with Two Pins and Click Hinge30624

2001-20033 years

Duplo Toolo Rear Spoiler31239c01

2000-20089 years

Technic 4 Ball Joint Steering Arm With 3 Pin Base [Complete Assembly]32495c01

2001-201111 years

Hair Long Parted in Front34316

2020-20234 years

Large Figure Weapon 5 x 5 Shield with Wrench Toothed44936

2003-20075 years

Fabuland, Slide4876

1985-200218 years

Windscreen 8 x 8 x 3 Dome with Dual 2 Fingers - 7 Teeth69320

2020-20267 years

8L Flex Cable, Wavy6955

Rock Boulder 2 x2 x 2/3, Top8079

Clikits Icon, Flower 2 x 2 Large, 5 Petals with Hole53658

Train Base 6 x 12 Type 1 with Wheels and Magnets [Complete Assembly]270c02

1972-19787 years

Angled Connector, Quadruple 60°6611

2025-20262 years

Technic Cylinder 4 x 4 x 1 2/3 with Axle Holes2745

1992-20009 years

Arm, with Pin, Light Nougat Hand67906c04

2025-20262 years

Windscreen 6 x 13 x 213252

2013-202513 years

Large Figure Helmet, Hockey44790

2003-20064 years

Clikits Frame, Square with 5 x 5 Holes Arrangement45495

2003-20053 years

Duplo Roof Spire52025

2005-20084 years

24L Ribbed Hose78c24

2001-20077 years

Technic Digger Bucket 8 x 102951

1993-201523 years

Hair Braided with Bun3532

Motor, Train, 4.5V, 4 x 12 x 3 1/3 Type 1564c01

1969-19757 years

Technic Panel Dome 7 x 7 x 5 with Pin Holes57587

2007-20104 years

Bar 4.5L with Stop Ends71184

1996-20049 years

Duplo Animal Chicken / Hen / Rooster, Tail, Lobe Comb, on Green Base75020

1991-200515 years

Hair Braided in Knot1988

Belville / Scala, Equipment, Hair Dryer33025

1997-20048 years

Plant, Prickly Bush 2 x 2 x 3 Extension with 2 x 2 center6065

1995-20017 years

Equipment Wand Sprue [Complete Set of 2]36752

2018-20247 years

Dinosaur Jaw, Raptor37407

2020-20267 years

23L Flex Tube75c23

1999-202224 years

Door for Slotted Bricksbrickslot0001

1949-19502 years

Engine Cylinder, Smooth6608

2025-20262 years

Vehicle Base, Trailer 6 x 12 x 1 1/330263

1999-200911 years

Duplo Plough31032

1996-200712 years

Pneumatic Pump 1 x 5.574982

1992-201423 years

Duplo Car Base 2 x 4 with Fixed Axles - 27.5 Silver Wheels and Black Tires12592c01

2011-202010 years

Duplo Cabinet Drawer 4 x 4 with Round Handle31323

2001-20088 years

Baseplate Raised 32 x 32 Craters without Crater Studs3947a

1979-198810 years

Technic Pin with Friction with Click Rotation Ring41680

2002-20032 years

Plate 1 x 2 with Electric Contacts4755

1986-199510 years

Equipment Barbed Wire Coil62700

2008-201912 years

Dish 2 x 2 with Angled Bar6919

1998-20047 years

Hair Beehive Style with Sideways Fringe15503

2020-20223 years

Cockpit 10 x 10 x 4 Octagonal2618

1995-200915 years

Tipper Bed 12 x 8 x 3 1/330300

1999-201012 years

Door 2 x 5 x 5 Swivel, Bracket Base40249

1997-20059 years

Boat Hull 51 x 12 x 6 with Side Bulges62791

2008-202114 years

Electric Connector, 1 Way Male Squared [Complete Assembly]765c01

1980-19812 years

Neckwear Cape with One Top Hole, Cutout at Top101658

Duplo Brick 2 x 8 x 2 Arch18652

2015-202612 years

Large Figure Weapon, Lightsaber Blade 16L with Axle Hole21987

2015-20184 years

Minitalia Window 1 x 2 x 3 Shutter3856mi

1970-19778 years

Duplo Loading Pallet 4 x 4 Indented Side47415

2004-20096 years

Images are not available for 98 parts on this page.

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

3751 to 4000

The LEGO Parts Guide is a work in progress

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Check out the About the LEGO Parts Guide page to learn more about why I created this guide. It also includes a detailed version history with images of early prototypes of this guide.

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