TYC 18-1201-01 Chevrolet/GMC Driver Side Replacement Side Marker Lamp OE-comparable harness (no 'pigtail' connector) for hassle-free installation OE-comparable mounting provisions ensure drop-in precise fitment Special coating on the lens surface prevents hazing and fading, ensuring proper illumination and operational safety Meet or exceed DOT/SAE standards, with particular consideration for photometric and safety compliance Rigorous and accelerated cycling tests to ensure product service quality and durability