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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.

Offshore Rig with Fuel Tanker

Checking

373 Offshore Rig with Fuel Tanker

449 pieces in 88 part and color combinations, plus 3 minifigures.

LEGO counts 460 pieces. This inventory comes from a separate parts catalog and lists 461, including the 12 parts inside the minifigures; 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Bricks 184 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×4
  • Brick 1 x 4 Black Part 3010 Element 301026 ×4
  • Brick 1 x 6 Black Part 3009 Element 300926 ×4
  • Brick 1 x 8 Black Part 3008 Element 300826 ×6
  • Brick 2 x 10 Black Part 3006 Element 4617860 or 300626 ×2
  • Brick 2 x 2 without Inside Ridges Black Part 3003a ×44
  • Brick 2 x 3 without Cross Supports Black Part 3002a ×2
  • Brick 2 x 4 without Cross Supports Black Part 3001a ×6
  • Brick 2 x 8 Black Part 3007 Element 6037390 or 300726 ×1
  • Brick 1 x 1 Red Part 3005 Element 300521 ×2
  • Brick 1 x 4 Red Part 3010 Element 301021 ×4
  • Brick 1 x 6 Red Part 3009 Element 300921 ×2
  • Brick 1 x 8 Red Part 3008 Element 300821 ×8
  • Brick 2 x 4 without Cross Supports Red Part 3001a ×4
  • Brick 1 x 4 Trans-Clear Part 3010 Element 4256588 or 4227529 Also in White ×1
  • Brick 2 x 3 without Cross Supports Trans-Clear Part 3002a ×2
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×3
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 Also in Trans-Clear ×4
  • Brick 1 x 6 with 'Shell' Squared 'e', Red Print White Part 3009pr0054 ×1
  • Brick 2 x 2 without Inside Ridges White Part 3003a ×4
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×43
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×11
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×1
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×6
  • Brick 1 x 8 Yellow Part 3008 Element 300824 ×11
  • Brick 2 x 2 without Inside Ridges Yellow Part 3003a ×4

Plates 117 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 1 x 8 Black Part 3460 Element 346026 ×14
  • Plate 2 x 2 Black Part 3022 Element 302226 ×7
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 4 x 10 Black Part 3030 Element 303076 or 303026 ×2
  • Plate 6 x 16 Black Part 3027 Element 302726 ×5
  • Plate 6 x 8 Black Part 3036 Element 303676 or 303626 ×5
  • Plate 1 x 1 Blue Part 3024 Element 302423 ×2
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×2
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×2
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×14
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×2
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×3
  • Plate 1 x 1 Red Part 3024 Element 302421 ×3
  • Plate 1 x 4 Red Part 3710 Element 371021 ×2
  • Plate 1 x 8 Red Part 3460 Element 346021 ×8
  • Plate 2 x 3 Red Part 3021 Element 302121 ×3
  • Plate 2 x 8 Red Part 3034 Element 303421 ×2
  • Plate 4 x 4 Red Part 3031 Element 4243814 or 303121 ×1
  • Plate 1 x 1 Trans-Clear Part 3024 Element 6513962 or 6252041 ×2
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×2
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 4 x 6 White Part 3032 Element 303201 ×1
  • Plate 6 x 8 White Part 3036 Element 303651 or 303601 ×1
  • Plate 1 x 1 Yellow Part 3024 Element 302424 ×5
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×7
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×9
  • Plate 4 x 4 Yellow Part 3031 Element 4243817 or 303124 ×1
  • Plate 4 x 6 Yellow Part 3032 Element 303224 ×2

Bricks Round and Cones 70 pieces

  • Brick Round 1 x 1 Solid Stud Black Part 3062a ×24
  • Brick Round 1 x 1 Solid Stud Light Gray Part 3062a ×18
  • Brick Round 1 x 1 Solid Stud White Part 3062a ×2
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch White Part 3063b Element 4501579 or 306301 ×26

Bricks Sloped 31 pieces

  • Brick Sloped 45° 2 x 1 without Bottom Pin Black Part 3040a ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×6
  • Brick Sloped 45° 2 x 1 without Bottom Pin Red Part 3040a ×5
  • Brick Sloped 45° 2 x 2 Red Part 3039 Element 303921 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×5
  • Brick Sloped 45° 2 x 1 without Bottom Pin Trans-Clear Part 3040a Also in White ×2
  • Brick Sloped 45° 2 x 4 Trans-Clear Part 3037 Element 303740 ×1
  • Brick Sloped 45° 2 x 1 without Bottom Pin White Part 3040a Also in Trans-Clear ×4
  • Brick Sloped 45° 2 x 1 without Bottom Pin Yellow Part 3040a ×2

Tiles 10 pieces

  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×10

Wheels and Tyres 10 pieces

  • Tyre 14 x 4 Smooth Small Single Black Part 3139 Element 313926 ×5
  • Wheel Centre Small with Stub Axles (Pulley Wheel) Red Part 3464 Element 4180583 or 346421 ×5

Bars, Ladders and Fences 6 pieces

  • Fence Lattice 1 x 4 x 1 Black Part 3633 Element 4187209 or 363326 ×1
  • Antenna with Side Spokes Milky White Part 3144 ×1
  • Fence Lattice 1 x 4 x 1 White Part 3633 Element 4550171 or 363301 ×3
  • Ladder Two Piece, Bottom Section Yellow Part 420 ×1

Transportation - Land 5 pieces

  • Plate Special 2 x 2 with Wheel Holder Bottom Light Gray Part 8 ×5

Minifig Accessories 4 pieces

  • Tap 1 x 2 Base with Light Gray Spout White Part 69c01 Element 4171368 ×4

Transportation - Sea and Air 4 pieces

  • Propeller 2 Blade Light Gray Part 3480 ×1
  • Propeller 4 Blade 5 Diameter with Hole for Rotor Holder Light Gray Part 3461 ×1
  • Plate Special 2 x 2 with Helicopter Tail Rotor Holder Red Part 3481 ×1
  • Plate Special 2 x 3 with Helicopter Rotor Holder Red Part 3462 ×1

Windows and Doors 4 pieces

  • Door 1 x 3 x 4 with Glass Red Part 7930 ×2
  • Door Frame 1 x 3 x 4 Yellow Part 3579 ×2

Tubes and Hoses 2 pieces

  • Hose, Classic 4mm D. 12L Black Part upn0258c12 ×2

Baseplates 1 piece

  • Baseplate 24 x 40 Blue Part 3645 ×1

Stickers 1 piece

  • Sticker Sheet for Set 373-1 [No Color/Any Color] Part 3605 ×1

Minifigures 3 figures

  • LEGOLAND Red Torso, Blue Legs, Black Hat Minifigure, checked as a whole figure ×3

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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