The ornamental design for a mountableledlightingapparatuscover, as shown and described.
FIG. 1 is an elevation perspective view of various upper surfaces and sides of a mountable LED lighting apparatus cover showing the new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a lengthwise side plan view thereof;
FIG. 5 is a widthwise side plan view thereof; and,
FIG. 6 is a slight elevation perspective view of multiple sides thereof.
The broken line showing of internal lighting elements including a plurality of LED's for the mountable LED lighting apparatus cover that provide illumination through the apparatus cover and the broken line showing of supporting elements provide a mounting support for the apparatus cover are included. The mountable LED lighting apparatus cover, can be coupled with the supporting elements and mounted to a portion of a vehicle, such as on a vehicle roof, and the broken line internal lighting and supporting elements form no part of the claimed design.