TYC 20-5568-00-9 GMC CAPA Certified Replacement Left Head Lamp It has OE-comparable harness with no "pigtail" connector for hassle-free installation OE-comparable mounting provisions ensure drop-in precise fitment Rigorous and accelerated cycling tests to ensure product service, quality and durability 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