Mack MD Medium Duty HEATED LED Headlight conversion.  Plug N Play!  The TL 37 Series Direct LED Headlights are rectangular 5"x7" headlights with 6 diodes for both high and low beam patterns, featuring a durable die-cast aluminum housing and heated, clear polycarbonate lens. They are suitable for 12V and 24V systems, providing reliable illumination for enhanced visibility in various conditions.  This is a drop in upgrade for your MD6 or MD7 factory incandescent lights!  Non-heated.  Sold individually (requires 2 per truck)

Genuine Trucklite!