This cabin headlamp serves as the front lighting assembly for heavy trucks, delivering stable illumination for night driving and low-visibility conditions. The lamp housing adopts high-strength anti-aging material, and the transparent lens features excellent light transmittance with strong resistance to stone impact and weather aging. The built-in light source provides uniform light distribution, improving driving safety on dark roads. Sealed structure prevents water and dust from entering the lamp cavity to avoid circuit failure. Every headlamp undergoes lighting performance and waterproof testing before shipment. It can replace damaged, foggy or non-functional old lamps, and it is an essential exterior replacement part for truck maintenance.