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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.

Luke Skywalker X-Wing Mech

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75390 Luke Skywalker X-Wing Mech

191 pieces in 78 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

  • Bar Holder with Clip Light Bluish Gray Part 11090 Element 6355025 ×6
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×2
  • Bracket 2 x 2 with 1 x 2 Vertical Studs Light Bluish Gray Part 41682 Element 6258820 ×2
  • Brick Curved Inverted 2 x 1 Light Bluish Gray Part 24201 Element 6144138 ×4
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Light Bluish Gray Part 61409 Element 6092111 ×2
  • 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 2/3 Inverted Cutout and no stud Light Bluish Gray Part 28192 Element 6213378 ×2
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 1 spare in the box ×5
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×4
  • Plate 3 x 3 Light Bluish Gray Part 11212 Element 6015347 ×1
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×6
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4
  • Plate Special 1 x 2 with Pin Hole On Side Light Bluish Gray Part 3172 Element 6438836 ×2
  • Plate Special 1 x 2, Top Clip [Open O] Light Bluish Gray Part 44861 Element 6326078 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×1
  • Plate Special 4 x 7 with 3 Slopes, Wedges, 3 Axle Holes Light Bluish Gray Part 3536 Element 6452334 ×1
  • Tile Round 1 x 1 Light Bluish Gray Part 98138 Element 6284071 or 4650260 1 spare in the box ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×6

White 51 pieces

  • Bracket 1 x 1 - 1 x 1 White Part 36841 Element 6548291 or 6296132 ×4
  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×4
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud White Part 28192 Element 6552164 or 6166894 ×2
  • Brick Special 1 x 1 with Clip Horizontal White Part 60476 Element 6320310 or 4567891 ×2
  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End White Part 47458 Element 6375711 or 6295301 ×2
  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider White Part 93095 Element 6670628 or 6615556 ×1
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×4
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×4
  • Plate Angled 2 x 2 with Step and Hole in Center White Part 79846 Element 6425460 ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] White Part 41740 Element 6249091 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version White Part 4304 Element 6603760 or 6469441 ×2
  • Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) White Part 27167 Element 6341397 or 6166886 ×1
  • Technic Connector Beam 3 x 3 White Part 39793 Element 6247424 ×1
  • Technic Plate 2 x 4 [3 Holes] White Part 3709 Element 370901 ×1
  • Tile Round 1 x 1 Quarter White Part 25269 Element 6548285 or 6172366 1 spare in the box ×4
  • Tile Round 2 x 2 with Red Rebels Sign Print White Part 14769pr9986 Element 6488451 ×1
  • Wedge Plate 2 x 2 Cut Corner White Part 26601 Element 6552166 or 6550160 ×4
  • Wedge Plate 4 x 2 Left White Part 41770 Element 6552119 or 4161326 ×2
  • Wedge Plate 4 x 2 Right White Part 41769 Element 6552118 or 4160857 ×2

Dark Bluish Gray 32 pieces

  • Bar 2L with Stop in Center Dark Bluish Gray Part 78258 Element 6350724 1 spare in the box ×4
  • Bracket 1 x 2 - 1 x 2 Dark Bluish Gray Part 99781 Element 6214341 ×4
  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 69755 Element 6360675 1 spare in the box ×1
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×1
  • Plate 1 x 5 Dark Bluish Gray Part 78329 Element 6413109 ×4
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×2
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Bluish Gray Part 4081b Element 6281996 or 4632574 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Dark Bluish Gray Part 35480 Element 6221607 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×2
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×6
  • Plate Special 1 x 2 with Clip Horizontal on End Dark Bluish Gray Part 63868 Element 6336990 or 4581225 ×2

Black 14 pieces

  • Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder Black Part 79180 Element 6533639 ×1
  • Cone 1 x 1 Inverted with Bar at Bottom (Ice Cream Cone) Black Part 11610 Element 6538443 or 6056234 ×1
  • Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Black Part 64644 Element 4538456 ×1
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Technic Pin Connector Round 1L [Beam] Black Part 18654 Element 6121485 1 spare in the box ×1
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Black Part 65304 Element 6321745 ×1
  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Black Part 66906 Element 6344752 ×4
  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Black Part 32124 Element 6280168 or 4114689 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Black Part 15712 Element 6335388 or 6066102 ×1
  • Weapon Gun / Blaster Small (Star Wars) Black Part 92738 Element 6360207 or 4609050 1 spare in the box ×1

Dark Red 11 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Red Part 61409 Element 6409756 ×2
  • Plate 1 x 2 Dark Red Part 3023 Element 4539097 or 4162582 ×5
  • Plate 2 x 2 Dark Red Part 3022 Element 4585479 or 4163160 ×2
  • Wedge Plate 2 x 2 Cut Corner Dark Red Part 26601 Element 6210310 ×2

Bright Light Yellow 6 pieces

  • Plate Round 1 x 1 with Solid Stud Bright Light Yellow Part 6141 Element 6319958 1 spare in the box ×6

Red 4 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×1
  • Technic Pin 1/2 with Friction Red Part 89678 Element 6378120 1 spare in the box ×3

Sand Blue 4 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Sand Blue Part 11477 Element 6179812 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Sand Blue Part 54200 Element 6062686 1 spare in the box ×2

Trans-Dark Pink 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Pink Part 6141 Element 6514060 or 6240230 1 spare in the box ×4

Blue 2 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2

Flat Silver 2 pieces

  • Technic Pin Connector Round 1L [Beam] Flat Silver Part 18654 Element 6161155 1 spare in the box ×1
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Flat Silver Part 65304 Element 6287673 ×1

Trans-Light Blue 2 pieces

  • Bar 4L (Lightsaber Blade / Wand) Trans-Light Blue Part 30374 Element 6507882 or 6170187 ×1
  • Weapon Lightsaber Blade 8L with Axle Trans-Light Blue Part 3627 Element 6508267 ×1

Trans-Red 2 pieces

  • Tile Round 1 x 1 Trans-Red Part 98138 Element 6514189 or 6258607 1 spare in the box ×2

Metallic Silver 1 piece

  • Weapon Lightsaber Hilt with Bottom Ring Metallic Silver Part 64567 Element 6546103 or 6051389 1 spare in the box ×1

Pearl Titanium 1 piece

  • Launcher, Plate Special 1 x 2 with Mini Blaster Square Pearl Titanium Part 69754 Element 6345952 ×1

Minifigures 1 figure

  • Luke Skywalker, Orange Rebel Pilot Outfit, Light Bluish Gray Hips, Black Hands, Printed Visor, Detailed Chest Panel 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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