Door 1 x 3 x 1 Right

3821

Windows and Doors

Appears in 422 official sets

Catalog rarity

Common

Used in 422 official sets — a staple element in many builds. Available in 19 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.

Door 1 x 3 x 1 Right (part 3821) is a Windows and Doors used in 422 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: Windows and Doors
→ Appears in 422 official sets
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Market value

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Color variants

White Light Gray Red Blue Yellow Black Pastel Blue Dark Bluish Gray Dark Green Orange Green Bright Light Blue Light Bluish Gray Lime Reddish Brown Dark Tan Dark Red Bright Light Orange Tan

Related parts (prints, molds, alternates)

Sets containing this part

533 sets · page 2 of 23