Genuine OEM Volkswagen Fuel Injector Unit Repair Kit, part number 04E998907C. This kit provides the essential seals and small components required to service a fuel injector, ensuring it functions correctly and prevents fuel leaks. It is designed to be used when servicing individual fuel injectors. Using genuine OEM parts for fuel injector repair guarantees that the seals and components meet the exact specifications for optimal fuel atomization and engine efficiency. This is crucial for maintaining performance and emissions standards.