Genuine OEM Volkswagen Alternator, part number 03H903023D. This component is responsible for generating electrical power to charge the battery and supply electricity to the vehicle's systems while the engine is running. It is typically mounted to the engine block. This unit weighs 7.385 kg and has dimensions of 0.19m x 0.175m x 0.155m. Genuine OEM alternators are manufactured to precise specifications, ensuring reliable performance and longevity.