BrickID

Technic Axle and Pin Connector

Part

Technic Axle and Pin Connector

3651

Technic Connectors

Appears in 137 official sets

Catalog rarity

Common

Used in 137 official sets — a staple element in many builds.

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.

Technic Axle and Pin Connector (part 3651) is a Technic Connectors used in 137 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: Technic Connectors
→ Appears in 137 official sets
→ Scan a photo to identify this part instantly
→ Compare market prices

Market value

No estimate on BrickID yet

We don't pull live prices from marketplaces automatically — that requires paid seller API access. Check live listings below, or be the first to share a price you paid or saw.

Check live listings →

Share a price you paid or saw

Help other collectors — we aggregate anonymous reports on this page.

View on Rebrickable Check price on BrickLink

Color variants

Light Gray

Related parts (prints, molds, alternates)

[R] 3652 — Technic Engine Piston Square 2 x 2 - Old

Sets containing this part

164 sets · page 3 of 7