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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.

Backhoe Loader

Checking

42197 Backhoe Loader

104 pieces in 45 part and color combinations.

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

Black 31 pieces

  • Construction Vehicle Bucket 4 x 8 with Locking 2 Finger Hinge, Raised Inside Black Part 65380 Element 6311434 ×1
  • Technic Axle Connector with Axle Hole [Reinforced] Black Part 42135 Element 6331716 ×1
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×8
  • Technic Beam 1 x 2 with Ball Joint Holes in Ball Black Part 67697 Element 6338171 ×1
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Black Part 11478 Element 6327028 or 6030286 ×2
  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Black Part 32250 Element 6327162 or 4128557 ×2
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×1
  • Technic Knob Wheel Black Part 32072 Element 6284188 or 4248204 ×2
  • Technic Panel Fairing 2 x 3 x 1 Black Part 71682 Element 6331026 ×1
  • Technic Pin Connector Hub with 2 Perpendicular Axles Black Part 10197 Element 6099801 or 6098801 ×1
  • Technic Pin Connector Round 1L [Beam] Black Part 18654 Element 6121485 1 spare in the box ×3
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 1 spare in the box ×4
  • Tyre 30.4 x 14 Offset Tread [Centre Band] Black Part 92402 Element 4619323 ×4

Yellow 29 pieces

  • Technic Axle 3 Yellow Part 4519 Element 6130007 ×8
  • Technic Axle and Pin Connector Angled #2 - 180° Yellow Part 32034 Element 6344325 or 6210804 ×2
  • Technic Beam 1 x 3 Thin Yellow Part 6632 Element 6344174 or 4107823 ×2
  • Technic Beam 1 x 5 Thick Yellow Part 32316 Element 4142133 or 4128590 ×2
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Yellow Part 11478 Element 6371968 ×2
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Yellow Part 32348 Element 6278131 or 4500485 ×4
  • Technic Beam 1 x 9 Thick Yellow Part 40490 Element 6115616 or 4187136 ×2
  • Technic Beam 2 x 4 L-Shape Thick Yellow Part 32140 Element 6271828 or 4141628 ×2
  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Yellow Part 32250 Element 6522621 or 6371956 ×2
  • Technic Panel Fairing #7 3L Very Small Smooth, Side A Yellow Part 2387 Element 6510995 or 6430389 ×1
  • Technic Panel Fairing #8 3L Very Small Smooth, Side B Yellow Part 2389 Element 6513879 or 6430392 ×1
  • Technic Panel Fairing 2 x 3 x 1 Yellow Part 71682 Element 6334491 ×1

Light Bluish Gray 16 pieces

  • Hinge 1 x 3 Triangle with Two Pins, 1 Locking Finger, Squared Pin Holes Light Bluish Gray Part 57359 Element 6413107 ×1
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×4
  • Technic Beam 1 x 4 Thin with Stud Connector Light Bluish Gray Part 2825 Element 6331574 or 4211561 ×2
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×2
  • Technic Worm Gear Type 2 Light Bluish Gray Part 32905 Element 6185471 ×1
  • Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Light Bluish Gray Part 55981 Element 6109684 or 4299119 ×4

Dark Bluish Gray 8 pieces

  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×1
  • Technic Axle Connector 2 x 3 with Ball Socket, Closed Sides Dark Bluish Gray Part 67695 Element 6360824 ×1
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Dark Bluish Gray Part 32184 Element 32184199 or 6276984 ×1
  • Technic Beam 1 x 2 Thin Dark Bluish Gray Part 41677 Element 6338422 or 4210980 ×2
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Dark Bluish Gray Part 42195 Element 6391550 ×2
  • Technic Gear 8 Tooth [Reinforced] Dark Bluish Gray Part 10928 Element 6631413 or 6012451 ×1

Blue 7 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×6
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×1

Red 5 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×5

Tan 4 pieces

  • Technic Pin Long without Friction Ridges, with Anti-Roll Notch Tan Part 39888 Element 6321305 ×4

Reddish Brown 2 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×1
  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×1

Trans-Clear 2 pieces

  • Tile Round 1 x 1 Trans-Clear Part 98138 Element 6514191 or 6274738 1 spare in the box ×2

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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