Truck-Lite 40756 40 Series Left Hand S/T/T Light Module Box with Side Marker - 12V Black PVC Trim

Equip your commercial fleet with the comprehensive Truck-Lite 40756 40 Series Incandescent Marker Clearance & Stop/Turn/Tail Light Module. Built explicitly for left-hand side (roadside) installation, this multi-functional unit bundles two standard 4-inch round red rear lamps, an integrated side marker clearance light, and a safety reflector. Featuring a rugged steel enclosure with a clean black PVC trim face, it provides a universal, bracket-mounted 12V signaling assembly engineered to withstand severe transport environments.

Ensure absolute compliance and maximize roadside visibility with the Truck-Lite 40756 40 Series Left-Hand Light Module Assembly. This all-in-one rear signaling hub handles your commercial vehicle's braking, turning, nighttime tail tracking, and vital side clearance signaling. Tailored specifically for the driver’s side, it is heavily relied upon to retrofit box trucks, dry vans, flatbed trailers, and specialized vocational truck bodies.

The heavy-duty design features a rugged steel mounting box box that protects sensitive electrical wiring from flying rocks and road debris. The exterior trim face is constructed from impact-resistant black PVC for a professional flush look, paired with heavy-duty red polycarbonate lenses that won't crack under everyday fleet abuse. Internally, the module includes two sealed 4" round Model 40 incandescent lamps, an auxiliary side-mounted clearance lamp, and a built-in 2-inch red reflector—guaranteeing compliance with FMVSS 108 and DOT requirements. Wiring is simplified via standard plug-and-play right-angle PL-3 connections and an integrated 2-position plug layout.