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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 Fighters (Explore)

Checking

3657 Fire Fighters (Explore)

47 pieces in 33 part and color combinations.

LEGO counts 35 pieces. This inventory comes from a separate parts catalog and lists 47; 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 15 pieces

  • Duplo Boat with Light Grey Tow Loop, White Bottom and 2 x 4 Studs Inside Red Part 4677c04 Element 4192842 ×1
  • Duplo Brick 1 x 3 x 2 Triangle Road Sign with Exclamation Mark Print Red Part 42025pr9998 Element 4168316 ×1
  • Duplo Brick 2 x 2 Slope 45° with Medical Console Diagnostic or Locator Print Red Part 6474pr9993 Element 4284193 or 82293 ×1
  • Duplo Cabinet 2 x 2 x 1.5 Red Part 4890 Element 6249378 or 4171339 ×2
  • Duplo Car with 2 x 2 Studs and Dark Gray Base, Silver Hubs Red Part 2218c04 Element 4169318 ×1
  • Duplo Fire Hydrant Red Part 6414 Element 6251748 or 641421 ×1
  • Duplo Helicopter Body with Black Base, Yellow Tail Rotor and 'FIRE' Print Red Part 6343pr0004 ×1
  • Duplo Panel 1 x 2 x 1 2/3 Sloped with 3 Embossed Gauges Red Part 6428 Element 642821 ×4
  • Duplo Plate 2 x 4 x 1/2 with 4 Center Studs [Thick] Red Part 6413 Element 4513078 or 641321 ×1
  • Duplo Truck with 4 x 4 Flatbed Plate, Dark Gray Base and Hubs, Wide Wheels Red Part 31076c03 ×1
  • Duplo Water Container with 'FIRE' and Fire Logo on Black Print Red Part 75084pr0002 ×1

Black 9 pieces

  • Duplo Helicopter Body without Skids, with Red Base and 'FIRE' Print Black Part 6350c02pr0001 ×1
  • Duplo Hose with Yellow Nozzle and Stud Holder Black Part 6425c03 Element 642530 ×4
  • Duplo Ladder Stand Black Part 2223 Element 4192604 ×1
  • Duplo Plate 2 x 4 Black Part 40666 Element 4192931 ×1
  • Duplo Support 2 x 3 x 3 with 2 Top Studs Black Part 41969 Element 4162956 ×1
  • Duplo Truck Cabin Enclosed with Clear Windows Black Part 31077 Element 4125102 ×1

Pearl Light Gray 7 pieces

  • Duplo Helicopter Skids Small Pearl Light Gray Part 6353 Element 4192610 ×4
  • Duplo Ladder 8 Rung Pearl Light Gray Part 2224 Element 4192605 ×1
  • Duplo Rotor 3 Blade for Large Helicopter (Propeller) Pearl Light Gray Part 6346 Element 4192784 ×1
  • Duplo Rotor 3 Blade for Small Helicopter Body (Propeller) Pearl Light Gray Part 6352 Element 4177837 ×1

Yellow 6 pieces

  • Duplo Figure, Early, Fire Helmet White, Black Legs, Orange Harness with Fire Badge Print Yellow Part 74365pr0013 ×1
  • Duplo Figure, Early, Fire Helmet White, Black Legs, Orange Harness with Fire Badge, Headset Print Yellow Part 74365pr0012 ×2
  • Duplo Figure, Early, Fire Helmet White, Black Legs, Orange Harness with Fire Badge, Moustache Print Yellow Part 74365pr0011 ×1
  • Duplo Hose 11L with Stud Holder and Black Hose Yellow Part 6426c01 Element 642630 ×1
  • Duplo Rotor / Propeller, 3 Blade Yellow Part 2159 Element 215924 ×1

White 4 pieces

  • Duplo Drawer 2 x 2 with Pull Handle White Part 4891 Element 6167554 or 4501514 ×2
  • Duplo Siren / Flashing Light - Trans-Dark Blue White Part 2318c01 Element 4293313 or 4245647 ×2

Blue 2 pieces

  • Duplo Fence / Rail 1 x 6 with 5 Rails Blue Part 2214 Element 4100714 or 221423 ×2

Dark Gray 1 piece

  • Duplo Trailer with Ramp and 2 x 5 Studs Dark Gray Part 2320 Element 4170996 ×1

Green 1 piece

  • Duplo Plate 2 x 4 Green Part 40666 Element 4256362 or 4157606 ×1

Orange 1 piece

  • Duplo Fire / Grass / Ice 1 x 4 x 2 Orange Part 31168 Element 4143615 ×1

Trans-Light Blue 1 piece

  • Duplo Windscreen 4 x 4 x 2 Curved Trans-Light Blue Part 17562 Element 4192782 or 4119084 ×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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