The ornamental design for a suspensionstrut, as shown and described.
FIG. 1 is a top perspective of a first embodiment view of a suspension strut;
FIG. 2 is a front view of the suspension strut of FIG. 1;
FIG. 3 is a rear view of the suspension strut of FIG. 1;
FIG. 4 is a right side view of the suspension strut of FIG. 1 and the left side view is a mirror image of the right side view;
FIG. 5 is a top view of the suspension strut of FIG. 1;
FIG. 6 is a bottom view of the suspension strut of FIG. 1;
FIG. 7 is a bottom perspective view of the suspension strut of FIG. 1;
FIG. 8 is a top perspective view of a second embodiment of a suspension strut;
FIG. 9 is a front view of the suspension strut of FIG. 8;
FIG. 10 is a rear view of the suspension strut of FIG. 8;
FIG. 11 is a right side view of the suspension strut of FIG. 8 and the left side view is a mirror image of the right side view;
FIG. 12 is a top view of the suspension strut of FIG. 8;
FIG. 13 is a bottom view of the suspension strut of FIG. 8; and,
FIG. 14 is a bottom perspective view of the suspension strut of FIG. 8.
The broken lines showing of elements of the suspension strut is included for the purpose of illustrating environment and forms no part of the claimed design.