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Engine, Large
Part

Engine, Large

43121

Transportation - Sea and Air

Appears in 54 official sets

Catalog rarity

Common

Used in 54 official sets — a staple element in many builds. Available in 8 catalog colors.

Based on official set inventories in our catalog — not market price or production volume.

Best sets to source this part

Smallest official sets that include this element — useful when you only need one piece, not the whole theme.

Engine, Large (part 43121) is a Transportation - Sea and Air used in 54 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.

  • → Category: Transportation - Sea and Air
  • → Appears in 54 official sets
  • → Scan a photo to identify this part instantly
  • → Compare market prices

Market value

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Color variants

Light Gray Orange White Light Bluish Gray Black Red Dark Purple Reddish Brown

Related parts (prints, molds, alternates)

Sets containing this part

57 sets · page 1 of 3