Free tool
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
27 pieces in 13 part and color combinations, plus 1 minifigure.
LEGO counts 38 pieces. This inventory comes from a separate parts catalog and lists 31, including the 4 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.
Builders who report a missing piece often find it in one of these places. Tick each one off as you look.
LEGO's request form asks for the set number (4583) and each piece's element ID, both listed above.
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Plate Round 1 x 1 with Solid Stud
1 spare in the box
×4
Plate Special 2 x 2 with Wheel Holders
×1
Tyre 21 x 12 with Offset Tread Small Wide
×4
Brick Curved 2 x 2 x 2/3 Two Studs and Lip End with '3' and Checker Print
×1
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]
×2
Wheel 11 x 12 with Hole Notched for Wheels Holder Pin
×4
Plate Round 1 x 1 with Solid Stud
1 spare in the box
×4
Tile Special 1 x 2 Grille with Bottom Groove
×1
Motor Pullback 2 x 6 x 1 2/3 Type 2 [Fast] Black Base, White Axle
×1
Plate 1 x 2
×1
Plate 2 x 2
×1
Tile Special 1 x 2 with Handle
×1
Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, Red/Black Stripe and Green Fade Print
×2
Maverick Storm
×1
Tick each piece as you find it, or mark it missing.
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 LEGOMark 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.
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.
