Mesh Collidor Faster

So I added a model I made in Maya and put it in my game, then now im putting the mesh collidor component into each piece of the model. Is their a way I can just add the mesh component once and it would work for all of the pieces? Or make it so my model is one piece rather than like 30.

In the import settings, you can choose "Generate Colliders" which will add colliders for each mesh. I might recommend combining some meshes for the collision mesh for performance reasons. One mesh collider is generally cheaper than 8.