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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.

TIE Advanced Prototype

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75128 TIE Advanced Prototype

89 pieces in 34 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.

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Piece checklist

Light Bluish Gray 55 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Light Bluish Gray Part 99780 Element 6004990 ×4
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] Light Bluish Gray Part 10201 Element 6014615 ×2
  • Brick Curved 4 x 1 Double, No Studs Light Bluish Gray Part 93273 Element 4622803 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×3
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Light Bluish Gray Part 15672 Element 6093859 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Bluish Gray Part 3040b Element 4211614 ×2
  • Brick Sloped Inverted 33° 3 x 1 with Internal Stopper and No Front Stud Connection Light Bluish Gray Part 4287c Element 4211489 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×2
  • Brick Special 1 x 1 with Headlight Light Bluish Gray Part 4070 Element 4211476 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger on Side, without Groove Light Bluish Gray Part 44567b Element 6266251 ×1
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×3
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×3
  • Plate Round Corner 3 x 3 Light Bluish Gray Part 30357 Element 4645412 or 4211756 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Light Bluish Gray Part 60470b Element 6337268 or 4556157 ×8
  • Plate Special 1 x 2 with Pin Hole Underneath Light Bluish Gray Part 18677 Element 6168633 or 6089147 ×2
  • Plate Special 4 x 4 with 2 x 2 Opening Light Bluish Gray Part 64799 Element 4612621 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Light Bluish Gray Part 3700 Element 4211440 ×1
  • Technic Pin 1/2 with 2L Bar Extension Light Bluish Gray Part 61184 Element 6347715 or 4520320 ×2
  • Tile Round 2 x 2 with Tie Fighter Mechanical Print Light Bluish Gray Part 14769pr0086 Element 6052205 ×2
  • Wedge Plate 3 x 2 Left Light Bluish Gray Part 43723 Element 4211794 ×4
  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×4

Black 17 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×4
  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×8
  • Weapon Gun / Blaster Small (Star Wars) Black Part 92738 Element 6360207 or 4609050 ×1
  • Wedge Plate 2 x 4 Black Part 51739 Element 4531412 ×4

Dark Bluish Gray 13 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 1 spare in the box ×2
  • Brick Sloped Inverted 45° 2 x 2 Double Convex Dark Bluish Gray Part 3676 Element 4210862 ×2
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×2
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×6
  • Plate 2 x 8 Dark Bluish Gray Part 3034 Element 4210997 ×1

Trans-Red 2 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Red Part 58176 Element 6507867 or 6171762 ×2

Blue 1 piece

  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×1

Trans-Brown 1 piece

  • Dish 4 x 4 Inverted [Radar] with Cockpit Print Trans-Brown Part 3960pr9979 Element 4252631 ×1

Minifigures 1 figure

  • TIE Pilot, Plain Legs, Printed Light Nougat Head (Rebels) 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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