FIG. 1 is a bottom perspective view of the LED light engine showing our new design, the LED light engine being installed in a streetlight luminaire, with the street light luminaire shown in broken lines not being part of such design;

FIG. 2 is a top perspective view of the LED light engine;

FIG. 3 is a front view of the LED light engine;

FIG. 4 is a rear view of the LED light engine;

FIG. 5 is a left side view of the LED light engine;

FIG. 6 is a right side view of the LED light engine;

FIG. 7 is a top view of the LED light engine; and,

FIG. 8 is a bottom view of the LED light engine.

The broken lines shown are for illustrative purposes only and form no part of the claimed design.