Genuine OEM Volkswagen Oil Spray Jet, part number 03C103157B. This component sprays oil onto engine parts, such as pistons and cylinder walls, for lubrication and cooling. It is located at position 2A on the diagram. This oil spray jet weighs 0.022 kg and has dimensions of 0.05m x 0.025m x 0.015m. Genuine OEM oil spray jets are critical for ensuring the correct volume and pressure of oil reaches vital engine components, preventing premature wear and damage.