You can hide or show the parts that you select.
Select parts that you want to hide.
Do one of the following:
Click the Visibility from the Visibility panel in the View tab of the Ribbon and select Hide Selection.
Right-click and select Hide Selection from the context menu.
Deselect the checkboxes of the parts highlighted in the Assembly Tree pane.

| The checkboxes of The Assembly Root and Assembly Groups may have the gray fill |
You can use other related commands to meet your needs.
Command | Description |
Show Selection and Hide Others | Any parts that are selected will be shown. The rest will be hidden. |
Invert Visibility | This command applies to all parts regardless of selection. Any parts that are hidden will be shown, and any parts that are shown will be hidden. |
You can show the selected parts only and make them fit to the view bounds at once.
Select parts that you want to isolate.
Do one of the following:
Click the Visibility from the Visibility panel in the View tab of the Ribbon and select Isolate.
Right-click and select Isolate from the context menu.
Press Ctrl+Shift+I.

Do one of the following:
Click the Visibility from the Visibility panel in the View tab of the Ribbon and select Show All.
Right-click and select Show All from the context menu.
Press Ctrl+Shift+A.
Select the checkboxes of the parts in the Assembly Tree pane.
| You can specify hidden parts in the Assembly Tree pane, right-click and Show Selection from the context menu. |