This side turn signal lamp assembly is the side indicator lighting component for FAW heavy trucks. It emits amber warning light to show the turning intention of the vehicle, improving driving safety when changing lanes or turning. The lamp shell uses high-strength anti-aging material with good waterproof and dustproof performance, adapting to long-haul heavy-duty and all-weather working conditions. Adopting precision mold production, it fits perfectly with the original mounting position and wiring connector. Each lamp passes lighting performance, waterproof and aging inspection before delivery. It is an ideal replacement spare part for truck side lighting maintenance.