Genuine OEM Audi Light Inner Bulb Holder, part number 8K5945257B. This component is a rear left bulb holder, designed to securely mount and provide electrical connections for multiple incandescent light bulbs within a light assembly. It ensures reliable power delivery to the bulbs, crucial for consistent lighting performance. Made from durable plastic with integrated electrical contacts, it offers precise fitment and conductivity. Using a genuine OEM bulb holder guarantees correct electrical specifications, material quality, and compatibility with the vehicle's lighting system, preventing intermittent lighting issues or bulb failures.