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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.

Mud Runner

Checking

6510 Mud Runner

29 pieces in 19 part and color combinations, plus 1 minifigure.

The official piece count includes the 5 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.

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Piece checklist

Wheels and Tyres 8 pieces

  • Tyre 15 x 6 Offset Tread Small Black Part 3641 Element 4501046 or 364126 ×2
  • Tyre 21 x 12 with Offset Tread Small Wide Black Part 6015 Element 601526 ×2
  • Wheel 11 x 12 with Hole Round for Wheels Holder Pin White Part 6014a Element 601401 ×2
  • Wheel 8 x 6 White Part 4624 Element 462401 ×2

Plates Special 6 pieces

  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Plate Special 2 x 2 with Wheel Holders Black Part 4600 Element 460026 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Gray Part 3794a Element 379402 ×1
  • Plate Special 1 x 4 Offset with Bar Holes White Part 4590 Element 6302649 or 6164280 ×1

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Light Gray Part 6141 Element 614102 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×2

Bars, Ladders and Fences 2 pieces

  • Bar 1 x 3 [Clip / Anti-Stud] White Part 4735 Element 4141581 or 4110041 ×2

Bricks Round and Cones 2 pieces

  • Brick Round 1 x 1 Open Stud Yellow Part 3062b Element 306844 or 306224 ×2

Tiles 2 pieces

  • Tile 2 x 2 with Yellow 4 and Stripes Print Black Part 3068bpr0028 ×1
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 1 with Clip and Straight Tips Light Gray Part 2555 Element 255502 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Light Gray Part 2412b Element 241202 ×1

Animal / Creature Accessories 1 piece

  • Animal / Creature Accessory, Horse Hitching, 1 x 2 Plate and 2 x 2 Plate [Studded] Yellow Part 2397 Element 239724 ×1

Bricks Special 1 piece

  • Bracket 8 x 2 x 1 1/3 Black Part 4732 Element 473226 ×1

Transportation - Land 1 piece

  • Steering Stand 1 x 2 with Black Steering Wheel Red Part 3829c01 Element 9552 ×1

Minifigures 1 figure

  • Man, Plain Blue with White Arms, Blue Helmet with Visor 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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