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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.

4-Wheelin' Truck

Checking

6641 4-Wheelin' Truck

77 pieces in 36 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. 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

Wheels and Tyres 16 pieces

  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×8
  • Wheel with Split Axle hole White Part 3482 Element 4279395 or 4194244 ×8

Plates 15 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×1
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×2
  • Plate 1 x 1 Red Part 3024 Element 302421 Also in Trans-Red ×4
  • Plate 1 x 4 Red Part 3710 Element 371021 ×2
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 Also in Red ×2
  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 ×2

Bricks Round and Cones 6 pieces

  • Cone 1 x 1 [No Top Groove] Light Gray Part 4589 Element 458902 ×2
  • Brick Round 1 x 1 Open Stud Yellow Part 3062b Element 306844 or 306224 ×4

Bricks Special 6 pieces

  • Brick Special 1 x 1 with Headlight Blue Part 4070 Element 407023 ×4
  • Brick Special 1 x 1 with Headlight Yellow Part 4070 Element 407024 ×2

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 ×2

Plates Special 4 pieces

  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×2

Technic Bricks 4 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×4

Bars, Ladders and Fences 3 pieces

  • Bar 1 x 4 x 2 with Studs Black Part 4083 Element 408326 ×1
  • Lever Small Base with Light Gray Lever Black Part 298c03 Element 73667 ×2

Tiles 3 pieces

  • Tile 1 x 1 with Groove Red Part 3070b Element 307021 ×2
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×1

Transportation - Land 3 pieces

  • Vehicle Base 4 x 10 x 2/3 with 2 x 2 Recessed Center with Smooth Underside, 1 x 2 Cutouts, No Center Hole Black Part 4212b Element 421226 ×1
  • Wheel Arch, Mudguard 2 x 4 Studded Blue Part 3788 Element 4500520 or 378823 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel White Part 3829c01 Element 4208543 or 9551 ×1

Windows and Doors 3 pieces

  • Door 1 x 3 x 1 Left Red Part 3822 Element 4288209 or 4188202 ×1
  • Door 1 x 3 x 1 Right Red Part 3821 Element 4537986 or 4288208 ×1
  • Glass for Hinge Car Roof 4 x 4 Sunroof [No Ridges] Trans-Light Blue Part 2348a ×1

Hinges, Arms and Turntables 2 pieces

  • Hinge Vehicle Roof 4 x 4 Sunroof without Ledges White Part 2349a ×1
  • Hinge Vehicle Roof Holder 1 x 4 x 2 White Part 4214 Element 421401 ×1

Panels 2 pieces

  • Panel 1 x 2 x 1 [Square Corners] White Part 4865a Element 486501 ×2

Technic Axles 2 pieces

  • Technic Axle 6 Black Part 3706 Element 370626 ×2

Tiles Special 2 pieces

  • Tile Special 1 x 2 Grille without Bottom Groove Light Gray Part 2412a ×1
  • Tile Special 1 x 2 with Handle Light Gray Part 2432 Element 243202 ×1

Bricks 1 piece

  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×1

Windscreens and Fuselage 1 piece

  • Windscreen 2 x 4 x 2 Trans-Light Blue Part 3823 Element 6581802 or 6253682 ×1

Minifigures 1 figure

  • Man, White Vest with Truck, Blue Legs, Red Cap (3626a Head) Minifigure, checked as a whole figure ×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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