Genuine OEM Volkswagen Balancer Shaft Module, part number 0XW103295. This module is engineered to reduce engine vibration and also incorporates the oil pump, which is essential for engine lubrication. It is located as part number 1 in the diagram, attached to the engine block. The part weighs 7.003 kg and has dimensions of 0.333m x 0.333m x 0.333m. Genuine OEM balancer shaft modules are precisely balanced and calibrated to ensure smooth engine operation and effective lubrication, contributing to engine durability.