FIG. 1 is a perspective view from the rear of a sensor housing showing my new design; FIG. 2 is a rear elevational view thereof; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 left side elevational view thereof; FIG. 6 is a front elevation view thereof; and, FIG. 7 is a perspective view from the bottom thereof thereof.