Genuine OEM Volkswagen Starter and Alternator Wiring Harness, part number 2Q0971349QT. This critical component provides the necessary electrical connections between the vehicle's battery, starter motor, and alternator. It ensures reliable power delivery for engine cranking and efficient charging of the electrical system. Using a genuine OEM harness guarantees correct wire gauge, insulation, and connector integrity, preventing electrical issues and ensuring long-term system performance.