The ornamental design for a hydraulic controlunit having unitary sump and accumulator housing, as shown and described.
FIG. 1 is a perspective view of a hydraulic control unit having unitary sump and accumulator housing showing our new design;
FIG. 2 is a front view;
FIG. 3 is a rear view;
FIG. 4 is a first side view;
FIG. 5 is a second side view;
FIG. 6 is a top view; and,
FIG. 7 is a bottom view.
Any portion of the hydraulic control unit having unitary sump and accumulator housing shown in broken lines is for the purpose of illustrating environmental structure and forms no part of the claimed design.