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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.

Ogel Underwater Base and AT Sub

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4795 Ogel Underwater Base and AT Sub

458 pieces in 118 part and color combinations, plus 4 minifigures.

LEGO counts 476 pieces. This inventory comes from a separate parts catalog and lists 480, including the 22 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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

Black 184 pieces

  • Animal, Octopus [Plain] Black Part 6086 Element 6096092 or 4273962 ×1
  • Brick 1 x 2 Black Part 3004 Element 300426 ×18
  • Brick 2 x 10 Black Part 3006 Element 4617860 or 300626 ×2
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×2
  • Brick 2 x 2 Corner Black Part 2357 Element 235776 or 235726 ×6
  • Brick 2 x 2 x 3 Black Part 30145 Element 4113241 ×4
  • Brick 2 x 8 Black Part 3007 Element 6037390 or 300726 ×2
  • Brick Curved Inverted 6 x 1 Black Part 42023 Element 6112323 or 4160409 ×2
  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×10
  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×6
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Black Part 4460a ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×1
  • Cockpit 6 x 6 x 1 Cabin Base Black Part 4597 Element 4167781 or 459726 ×1
  • Door Frame 2 x 8 x 6 Swivel without Bottom Notches Black Part 40253 Element 4157086 ×1
  • Grille 6 x 4 x 3 [2 Pins & 2 Pin Holes] Black Part 30632 Element 4153074 ×2
  • Hinge Brick 1 x 2 Locking with 1 Finger Vertical End Black Part 30364 Element 6266306 or 4265484 ×2
  • Hinge Brick 1 x 4 [Lower] Black Part 3831 Element 383126 ×2
  • Hinge Brick 1 x 4 [Upper] Black Part 3830 Element 6344999 or 6011458 ×2
  • Hinge Brick 2 x 2 Locking with 1 Finger Vertical and Axle Hole [+ Opening] Black Part 30389b Element 6413328 ×1
  • Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Black Part 30553 Element 4143372 ×4
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and 2 Fingers On Ends, without Hole, 9 Teeth Black Part 30554a ×4
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and Technic Friction Pin with Round Hole Black Part 41532 Element 4159335 ×2
  • Launcher, Technic Competition Cannon, Round Bottom with Same Color Ends Black Part 32074c01 Element 4118816 or 4118815 ×1
  • Minifig Footwear Flipper [Thin] Black Part 59275 ×2
  • Panel 10 x 10 x 2 1/3 Quarter Saucer Top Black Part 30117 Element 4160367 ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 3 Black Part 3021 Element 302126 ×4
  • Plate 2 x 6 Black Part 3795 Element 379526 ×4
  • Plate 2 x 8 Black Part 3034 Element 303426 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Black Part 4085c Element 408526 ×2
  • Plate Special 3 x 2 with Rounded End, Hole Black Part 3176 Element 317676 or 317626 ×2
  • Plate Special 8 x 8 with Grille [No Hole in Center] Black Part 4151a ×4
  • Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole Black Part 3940b Element 394026 ×4
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×1
  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×6
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×16
  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×4
  • Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on Bar Black Part 41531 Element 6116995 or 4262615 ×4
  • Technic Link 1 x 5 Black Part 30397 Element 4140701 2 spares in the box ×6
  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Black Part 32530 Element 4144024 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×31
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×4
  • Wedge Plate 3 x 6 Cut Corners Black Part 2419 Element 241926 ×1

Red 109 pieces

  • Brick 1 x 1 Red Part 3005 Element 300521 ×8
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×6
  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×6
  • Brick Sloped 33° 3 x 2 Red Part 3298 Element 329821 ×2
  • Brick Special 1 x 2 with Pin Red Part 2458 Element 245821 ×8
  • Brick Special 2 x 2 with Pin and Axle Hole Red Part 6232 Element 6347696 or 623221 ×1
  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Red Part 73983 Element 6102786 or 74230 ×2
  • Plate 1 x 1 Red Part 3024 Element 302421 ×16
  • Plate 1 x 2 Red Part 3023 Element 302321 ×11
  • Plate 1 x 3 Red Part 3623 Element 362321 ×16
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×1
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×2
  • Plate 2 x 3 Red Part 3021 Element 302121 ×8
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×2
  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 6mm] Red Part 4623 Element 462321 ×2
  • Plate Special 2 x 2 with Pin on Bottom Red Part 2476a Element 4237077 or 4124065 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×1
  • Technic Pin Connector Round [No Slot] Red Part 75535 Element 75854 ×8
  • Turntable 2 x 2 Plate, Base Red Part 3680 Element 368021 ×6
  • Turntable 4 x 4 Square Base with Top, Complete Assembly Red Part 3403c01 Element 4221665 or 4143678 ×1

Dark Gray 64 pieces

  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Dark Gray Part 6222 Element 4114075 ×12
  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges Dark Gray Part 41748 Element 4160132 ×2
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges Dark Gray Part 41747 Element 4160109 ×2
  • Cone 4 x 4 x 2, Axle Hole [Plain] Dark Gray Part 3943b Element 4125548 or 394327 ×12
  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Dark Gray Part 4349 Element 4143006 or 434927 ×16
  • Large Figure Weapon Trident, with Long Axle Dark Gray Part 40339 Element 4160265 ×4
  • Minifig Neckwear Scuba Airtank, Bar Holder Dark Gray Part 30091b Element 4162385 ×1
  • Panel 10 x 10 x 2 2/3 Quarter Saucer Base Dark Gray Part 30201 Element 4162224 ×4
  • Plate 1 x 8 Dark Gray Part 3460 Element 346027 ×2
  • Plate 2 x 2 Dark Gray Part 3022 Element 4114003 or 302227 ×2
  • Plate 2 x 6 Dark Gray Part 3795 Element 379527 ×1
  • Tile 2 x 2 with 3 Red Arrows Print Dark Gray Part 3068bpr0103 Element 4162766 ×4
  • Tile 2 x 2 with Green and Red Ogel Orb and Gauges Print Dark Gray Part 3068bpr0100 Element 4162765 ×2

Light Gray 45 pieces

  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×1
  • Brick 1 x 4 Light Gray Part 3010 Element 301002 ×1
  • Brick 1 x 6 Light Gray Part 3009 Element 300902 ×1
  • Brick Sloped 33° 3 x 1 Light Gray Part 4286 Element 428602 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Gray Part 3040b Element 4121933 or 304002 ×4
  • Brick Sloped Inverted 45° 2 x 1 Light Gray Part 3665 Element 366502 ×6
  • Hinge 1 x 3 Locking with 2 Fingers and Claw End, 9 Teeth Light Gray Part 41529 Element 4159624 ×1
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×1
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×2
  • Projectile, Technic Competition Arrow, Beam Shaft with Solid Black Rubber End Light Gray Part 76110c01 Element 4118818 ×1
  • Technic Brick 1 x 1 with Pin Hole Light Gray Part 6541 Element 654102 ×2
  • Technic Brick 1 x 14 [13 Pin Holes] Light Gray Part 32018 Element 4153511 or 4107743 ×2
  • Technic Brick 1 x 2 [2 Pin Holes] Light Gray Part 32000 Element 3200002 ×2
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×9
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×6
  • Wedge Plate 3 x 3 Cut Corner Light Gray Part 2450 Element 245002 ×4

Yellow 16 pieces

  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges Yellow Part 41748 Element 4271087 or 4248767 ×1
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges Yellow Part 41747 Element 4271084 or 4248764 ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 2 x 2 Corner Yellow Part 2420 Element 242074 or 242024 ×2
  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 6mm] Yellow Part 4623 Element 4501109 or 4497185 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Yellow Part 2444 Element 244424 ×4
  • Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on Bar Yellow Part 41531 Element 6100888 or 4270872 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Yellow Part 2412b Element 241224 ×1
  • Tile Special 2 x 2 with Top Pin Yellow Part 2460 Element 246024 ×1
  • Wedge Plate 3 x 6 Cut Corners Yellow Part 2419 Element 6207376 or 241924 ×1

Trans-Neon Green 10 pieces

  • Brick Round 2 x 2 x 1 2/3 Dome Top, Blocked Open Stud Trans-Neon Green Part 30151a Element 4506533 or 4144475 ×2
  • Plate 1 x 2 Trans-Neon Green Part 3023 Element 6240224 or 6102038 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Neon Green Part 6141 Element 6240223 or 3005749 1 spare in the box ×4
  • Weapon Pike / Spear Round End Trans-Neon Green Part 4497 ×2

Trans-Neon Orange 9 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Neon Orange Part 4589 Element 4529918 or 618847 ×2
  • Propeller 3 Blade 3 Diameter with Axle Cross Trans-Neon Orange Part 6041 Element 4165521 or 604147 1 spare in the box ×7

Trans-Red 8 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Red Part 4589 Element 618841 ×8

[No Color/Any Color] 5 pieces

  • Banner, 16 x 4 Rectangle, Ogel Underwater Base Print [No Color/Any Color] Part 71138pr0001 ×4
  • Sticker Sheet for Set 4795-1 [No Color/Any Color] Part 42258 Element 4162751 ×1

White 3 pieces

  • Brick Special 1 x 4 Palisade [aka Log] White Part 30137 Element 6028131 or 4114329 ×1
  • Minifig Head Skeleton, Evil Skull Print White Part 3626bpr0190 Element 4162427 ×2

Chrome Silver 2 pieces

  • Weapon Harpoon [4 Grooves on Shaft] Chrome Silver Part 57467 ×2

Brown 1 piece

  • Hair Flat Top, Tall Brown Part 30608 Element 4144400 ×1

Trans-Brown 1 piece

  • Windscreen 8 x 6 x 2 Curved Trans-Brown Part 41751 Element 4161245 ×1

Trans-Dark Blue 1 piece

  • Door 2 x 5 x 5 Swivel, Bracket Base Trans-Dark Blue Part 40249 Element 4162746 ×1

Minifigures 4 figures

  • Ogel with Trans-red Hook Minifigure, checked as a whole figure ×1
  • Dash Minifigure, checked as a whole figure ×1
  • Ogel Minion Minifigure, checked as a whole figure ×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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