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LEGO Missing Piece Checker

Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Fire Squad HQ

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4657 Fire Squad HQ

149 pieces in 66 part and color combinations.

LEGO counts 139 pieces. This inventory comes from a separate parts catalog and lists 149; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

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Piece checklist

Red 47 pieces

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×2
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×2
  • Brick 2 x 4 x 3 with Fire Print Red Part 30144pr0013 Element 4194021 ×1
  • Brick Curved 8 x 6 x 2 Double with 'FIRE DEPT' Print Red Part 45411pr0003 Element 4193321 ×1
  • Brick Curved Inverted 8 x 6 x 2 Double Red Part 45410 Element 4193847 ×1
  • Brick Sloped 45° 2 x 4 Red Part 3037 Element 303721 ×8
  • Brick Sloped 45° 2 x 4 Double Red Part 3041 Element 4144003 or 304121 ×2
  • Brick Sloped 45° 6 x 4 Double [aka Train Roof] Red Part 32083 Element 6138429 or 4194128 ×1
  • Cockpit 6 x 6 x 5 with Hinge Red Part 30619 Element 4153089 ×2
  • Fabuland Fire Ladder Holder 2 x 4 x 2 1/2 Red Part 3999 Element 4141365 ×1
  • Fabuland, Chair Red Part 4222 Element 4141372 ×1
  • Fairing 1 x 4 Side Flaring Intake with Two Pins Red Part 30647 Element 4194723 ×2
  • Fence Lattice 1 x 4 x 1 Red Part 3633 Element 4187280 or 363321 ×2
  • Grille 1 x 4 [Two Pins] Red Part 30622 Element 4153119 ×3
  • Plate 1 x 2 Red Part 3023 Element 302321 1 spare in the box ×1
  • Roof Piece 16 x 4 x 5 Red Part 45405 Element 4193767 ×2
  • String Reel 1 x 4 x 2 Holder with 2 Technic Pins Red Part 30636 Element 4154161 ×1
  • Support 2 x 2 x 8 with Grooves, Smooth On All Sides, Top Peg Red Part 30646b Element 4191101 ×12
  • Technic Brick 4 x 6 with 2 x 4 Opening, 2 Fixed Rotatable Friction Pins on End Red Part 40344c01 Element 4195929 ×1
  • Windscreen 4 x 6 x 4 Cab with Hinge and 1 x 4 Bottom Cutout and 'Fire Dept' Print Red Part 45406pr0003 Element 4194090 ×1

White 30 pieces

  • Bar 1 x 4 x 2 with Studs White Part 4083 Element 408301 ×2
  • Brick 2 x 2 White Part 3003 Element 6552095 or 6548256 ×2
  • Brick Sloped 45° 2 x 2 with Flame and Control Panel Print fire White Part 3039pr9972 Element 4190963 or 4106759 ×1
  • Brick Sloped 45° 2 x 2 with Heart Monitor, Red Buttons, and -19 Print White Part 3039pr9954 Element 4118668 ×1
  • Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets White Part 3963 Element 4188288 or 396301 ×2
  • Brick Special 1 x 2 with Vertical Clip [Thick U Clip] White Part 30237a ×3
  • Door Frame 2 x 8 x 8 with Red Brick Print White Part 45402pr0001 Element 4193994 ×1
  • Garage Door 1 x 12 x 9 with Three Windows, Locking Dual 2 Finger Hinges White Part 45399 Element 4190738 ×2
  • Panel 2 x 8 x 8 White Part 30650 Element 4194080 ×2
  • Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole White Part 3940b Element 4288059 or 4164236 ×2
  • Wheel 18 x 14 with Tread Small Hub White Part 30285 Element 4116774 ×12

Black 29 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×2
  • Brick Sloped 45° 10 x 2 x 2 Double Black Part 30180 Element 6065894 or 4113870 ×1
  • Brick Special 1 x 2 with Grille Black Part 2877 Element 287726 ×2
  • Grille 6 x 4 x 3 [2 Pins & 2 Pin Holes] Black Part 30632 Element 4153074 ×2
  • Plate Special 1 x 6 with Train Wagon End Fence Black Part 6583 Element 6271649 or 658326 ×2
  • Steering Wheel Small, 2 x 2 Black Part 30663 Element 4153044 1 spare in the box ×1
  • String Reel 1 x 4 x 2 Drum with Friction Spokes Black Part 30635 Element 4154158 ×1
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×2
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 1 spare in the box ×1
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Black Part 3403c01 Element 4221663 or 4143677 ×1
  • Tyre 30.4 x 14 Offset Tread Black Part 30391 Element 4140670 or 3039126 ×12
  • Weapon Axe Black Part 3835 Element 383526 2 spares in the box ×2

Dark Gray 11 pieces

  • Brick Special 12 x 12 Base with 4 Corner Pegs, 1 x 10 Cutouts, Grooves Dark Gray Part 30645 Element 4154056 ×3
  • Brick Special 5 x 12 with Two 1 x 2 Cutouts, 3 Holes on Side Dark Gray Part 45403 Element 4192278 ×2
  • Equipment Radio [Extended Handle, Compact Speaker Grille] Dark Gray Part 3962b Element 4118707 ×2
  • Hose Rigid 3mm D. 29L / 23.2cm Dark Gray Part 75c29 1 spare in the box ×1
  • Ladder 16 x 4 with Semi-Circular Pivot Dark Gray Part 4000 Element 4153796 ×1
  • Vehicle Base 4 x 14 x 2 1/3, 2 x 12 Recessed Center, Pins, Pin Holes Dark Gray Part 30642 Element 4154200 ×2

Trans-Medium Blue 8 pieces

  • Door 1 x 4 1/2 x 6 with Fire Dept Logo Print Trans-Medium Blue Part 46154pr0003 Element 4201110 or 4194373 ×1
  • Glass for Window 1 x 4 x 3 Trans-Medium Blue Part 3855 Element 4203331 or 4194335 ×6
  • Panel 2 x 8 x 8 with Bricks and 'FIRE DEPT' Print Trans-Medium Blue Part 30650pr0002 Element 4194199 ×1

Light Gray 6 pieces

  • Brick 4 x 12 Light Gray Part 4202 Element 4155652 ×2
  • Brick Round Corner 4 x 4 Full Brick Light Gray Part 2577 Element 4159736 or 257702 ×2
  • Brick Special 5 x 12 with Two 1 x 2 Cutouts, 1 Hole and 2 Fixed Rotatable Friction Pins on Side Light Gray Part 45403c01 Element 4191107 ×1
  • Minifig Hose Nozzle T Handle with 24L String Light Gray Part 22921 ×1

Yellow 6 pieces

  • Brick Special 2 x 2 with Pin and Axle Hole Yellow Part 6232 Element 6347698 or 623224 ×4
  • Juniors Midifig, Fireman in Hat #01 Yellow Part 41066pr0001 ×1
  • Juniors Midifig, Fireman in Hat #07 Yellow Part 41066pr0002 ×1

Trans-Dark Blue 3 pieces

  • Brick Curved 1 x 4 with Sloped Ends and Two Top Studs Trans-Dark Blue Part 40996 Element 4154079 ×3

Green 2 pieces

  • Plant, 1 x 1 x 2/3 - 3 Large Leaves Green Part 6255 Element 6269046 or 4106895 ×2

Trans-Brown 2 pieces

  • Glass for Windscreen 4 x 6 x 4 Cab with Hinge [Fits 45406] Trans-Brown Part 46103 Element 4195228 ×1
  • Windscreen 4 x 6 x 4 Canopy with Hinge and Headlights, Grill, and L Print Trans-Brown Part 30633pr0004 Element 4194012 ×1

Trans-Neon Green 2 pieces

  • Antenna 8H Whip Trans-Neon Green Part 2569 Element 6265159 or 6164380 1 spare in the box ×2

Trans-Yellow 2 pieces

  • Brick Round 2 x 2 with Axle Hole Trans-Yellow Part 3941 Element 6514285 or 6273155 ×2

Blue 1 piece

  • Juniors Midifig, Jack Stone, Blue Jacket, Blue Pants, Gray Shirt Blue Part 40513pr0006 ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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