1. Fitment: Replacement for Sierra 1500 2007-2013; Replacement for Sierra 2500HD 3500HD 2007-2014. Die-cast aluminum housing provides excellent rigidity and high impact resistance. 2. DOT SAE Certification: The led fog light lens has a detailed DOT number (SAE F MS‑GMC0714 12V 21), which is street legal. Meets or exceeds all transportation regulations in the United States and Canada. 3. High Brightness: LED fog light, unique horizontal focused beam, high intensity LED chip, 4800LM per set, 6500-7000K cool white light, effectively illuminate the road at night, in heavy rain, snow or fog. 4. IP67 Waterproof: The LED fog light adopts a fully sealed design, which is waterproof, rust-proof, shockproof, and has good performance, ensuring safer driving in the desert, smog, or foggy weather. 5. Installation: The fog light is directly installed on the vehicle bracket, and no additional harness is required. The screws on the lamp can be reused to adjust the new lamp. Installation is convenient