Ensure your engine receives the correct fuel mixture with this genuine BOSCH injector nozzle, identified by part code 0 433 171 718. This component plays a critical role in the combustion process, directly impacting engine efficiency and power output. The DLLA156P1111 designation indicates a specific type of injector nozzle engineered by BOSCH. Its precise construction is vital for atomizing fuel effectively, leading to cleaner emissions and smoother engine operation. This part is built to meet the high standards expected from BOSCH. Replacing worn or faulty injector nozzles with this BOSCH part can help restore lost engine performance and fuel economy. It is designed for durability and reliable service in demanding automotive applications.