The ornamental design for an installationcomponent, as shown and described.
FIG. 1 is a front, top and left side perspective view of an installation component showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view thereof, in use and open condition.
The broken line in the figure drawing views is included for the purpose of illustrating environment and forms no part of the claimed design. The dash-dot line in the figure drawing views represents the boundary of the claimed design.