Free tool
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.
Checking
1,877 pieces in 177 part and color combinations.
Your missing list
LEGO's request form asks for the set number (8258) and each piece's element ID, both listed above.
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Piece checklist
Light Bluish Gray
521 pieces
Antenna 1 x 4 with Rounded Top
Light Bluish Gray
Part 3957a
×2
Missing
Battery Box, Power Functions 4 x 11 x 7 with Orange Switch and Dark Bluish Gray Covers [Complete Assembly]
Light Bluish Gray
Part 58119
Element 4506078
×1
Missing
Dish 2 x 2 Inverted [Radar]
Light Bluish Gray
Part 4740
Element 4211512
×2
Missing
Motor, XL, Power Functions, 6 x 5 x 6, 20cm with Dark Bluish Gray Bottom
Light Bluish Gray
Part 58121
Element 6102930 or 6073386
×1
Missing
Pole Reverser / Polarity Switch, Power Functions, Black Wire
Light Bluish Gray
Part 61929c01
Element 4654822 or 4523462
×1
Missing
Technic Axle 3
Light Bluish Gray
Part 4519
Element 4211815
×49
Missing
Technic Axle 5
Light Bluish Gray
Part 32073
Element 32073194 or 4211639
×28
Missing
Technic Axle 7
Light Bluish Gray
Part 44294
Element 44294194 or 4211805
×10
Missing
Technic Axle 9
Light Bluish Gray
Part 60485
Element 4535768
×5
Missing
Technic Axle Connector Smooth [with x Hole + Orientation]
Light Bluish Gray
Part 59443
Element 4512360
×25
Missing
Technic Axle Connector with Axle Hole
Light Bluish Gray
Part 32039
Element 4211553
×5
Missing
Technic Axle Towball
Light Bluish Gray
Part 2736
Element 6443149 or 4211375
×2
Missing
Technic Axle and Pin Connector Angled #5 - 112.5°
Light Bluish Gray
Part 32015
Element 6271347 or 4211551
×2
Missing
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole
Light Bluish Gray
Part 32184
Element 6276969 or 4211621
×24
Missing
Technic Axle and Pin Connector Perpendicular Triple
Light Bluish Gray
Part 63869
Element 6331441 or 4538007
×5
Missing
Technic Beam 1 x 11 Thick
Light Bluish Gray
Part 32525
Element 4611705 or 4534910
×7
Missing
Technic Beam 1 x 11.5 Double Bent Thick
Light Bluish Gray
Part 32009
Element 6271156 or 4234240
×2
Missing
Technic Beam 1 x 13 Thick
Light Bluish Gray
Part 41239
Element 4522934 or 4156299
×13
Missing
Technic Beam 1 x 15 Thick
Light Bluish Gray
Part 32278
Element 4542577 or 4211770
×23
Missing
Technic Beam 1 x 2 Thick
Light Bluish Gray
Part 43857
Element 4211862
×2
Missing
Technic Beam 1 x 3 Thin
Light Bluish Gray
Part 6632
Element 6360043 or 4211566
×8
Missing
Technic Beam 1 x 5 Thick
Light Bluish Gray
Part 32316
Element 4211651
×11
Missing
Technic Beam 1 x 6 Thin
Light Bluish Gray
Part 32063
Element 6170293 or 4211586
×8
Missing
Technic Beam 1 x 7 Thick
Light Bluish Gray
Part 32524
Element 4495930 or 4211665
×17
Missing
Technic Beam 1 x 9 Thick
Light Bluish Gray
Part 40490
Element 6102449 or 4211866
×12
Missing
Technic Beam 2 x 4 L-Shape Thick
Light Bluish Gray
Part 32140
Element 6271831 or 4211610
×29
Missing
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin
Light Bluish Gray
Part 32250
Element 4234247
×8
Missing
Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick
Light Bluish Gray
Part 64178
Element 4540797
×3
Missing
Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick
Light Bluish Gray
Part 64179
Element 4539880
×8
Missing
Technic Brick 1 x 2 [2 Pin Holes]
Light Bluish Gray
Part 32000
Element 4211541
×6
Missing
Technic Brick 1 x 4 [3 Pin Holes]
Light Bluish Gray
Part 3701
Element 4211441
×1
Missing
Technic Bush
Light Bluish Gray
Part 3713
Element 6275844 or 6271817
4 spares in the box
×43
Missing
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Light Bluish Gray
Part 32123b
Element 6271165 or 4211573
3 spares in the box
×51
Missing
Technic Driving Ring Extension, 4 Ridges
Light Bluish Gray
Part 32187
Element 4278756 or 4209329
×3
Missing
Technic Engine Connecting Rod
Light Bluish Gray
Part 2852
Element 6000018 or 4655728
×8
Missing
Technic Engine Cylinder with Side Slots
Light Bluish Gray
Part 2850a
×8
Missing
Technic Gear 16 Tooth with Round Holes [Old Style]
Light Bluish Gray
Part 4019
Element 4562487 or 4211563
×26
Missing
Technic Linear Actuator with Dark Bluish Gray Ends [Original Version]
Light Bluish Gray
Part 61927a
Element 6162391 or 4528037
×2
Missing
Technic Pin Connector Hub Perpendicular 3L with 4 Pins
Light Bluish Gray
Part 48989
Element 4225033
×24
Missing
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Light Bluish Gray
Part 32054
Element 4211865
×16
Missing
Technic Pin without Friction Ridges Lengthwise
Light Bluish Gray
Part 3673
Element 4211807 or 3673194
1 spare in the box
×6
Missing
Technic Universal Joint 3L [Complete Assembly]
Light Bluish Gray
Part 61903
Element 6335279 or 6321309
×2
Missing
Technic Worm Gear
Light Bluish Gray
Part 4716
Element 4211510
×2
Missing
Wheel 11 x 8 with Center Groove
Light Bluish Gray
Part 42610
Element 4211758
×1
Missing
Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes
Light Bluish Gray
Part 55982
Element 4490127
×1
Missing
Wheel 43.2 x 18 with Flush Axle Stem
Light Bluish Gray
Part 86652
Element 6507815 or 4551421
×8
Missing
Dark Bluish Gray
59 pieces
[No Color/Any Color]
1 piece
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.