This OE 37QC9-73010-AE left rear combination lamp combines brake lamp, reverse lamp, turn signal and marker light in one assembly, satisfying all rear signal lighting demands of Dongfeng Captain light trucks. The transparent and red PMMA lens adopts anti-ultraviolet formulation, effectively preventing yellowing and light attenuation after long-term outdoor exposure. Ultrasonic hot-melt sealing technology is applied between lens and ABS housing, effectively stopping rainwater and dust from penetrating into lamp cavity to avoid internal fogging and bulb burnout. Preset mounting lugs and plug-in wiring connector strictly follow original vehicle design standards; no wiring modification or gasket trimming is required during replacement. Optimized internal light cavity distributes light evenly, delivering high visibility during night, rainy and foggy driving.