Genuine OEM Audi Negative Battery Cable, part number 8R0971237D. This essential electrical component establishes the ground connection for the vehicle's battery, completing the electrical circuit for starting and powering all systems. It connects the battery's negative terminal to a designated grounding point on the vehicle chassis or engine block. Weighing 0.103 kg and measuring approximately 0.305m in length, this cable features robust terminals and durable insulation. Using a genuine OEM battery cable ensures optimal conductivity, resistance to corrosion, and a secure connection, which is critical for reliable electrical system performance and safety.