LEGO Hinge Plate 2 x 4 with Pin Hole and 2 Holes Top Light Bluish Gray

LEGO Part 43045 – Hinge Plate 2×4 with Pin Hole and 2 Holes (Top, Light Bluish Gray) is a versatile, hinge-style connector piece perfect for creating movable joints, rotating arms, adjustable panels, and mechanical assemblies in LEGO MOCs and official builds. This hinge plate features a studded 2×4 top with a central Technic pin hole and two round Technic-compatible holes, making it ideal for combining System and Technic elements.

In the popular Light Bluish Gray color, this piece blends seamlessly into space builds, mechs, vehicles, robots, industrial designs, and LEGO Star Wars or LEGO City creations. It’s commonly used for articulated connections, folding mechanisms, and pivot joints when paired with its matching bottom half (part 43056).

Whether you’re building a custom mech arm, transforming model, or hinged wall section, this plate adds reliable strength, movement, and a sleek neutral finish to your designs.

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Lego Part Number: 43045