This TOPRAN 120 664 screw is specifically engineered to secure the injector housing in place. A properly fastened injector housing is crucial for maintaining the integrity of the fuel system, preventing leaks, and ensuring optimal fuel delivery. Crafted with quality materials, this screw offers durability and resistance to the demanding conditions within the engine bay. Its design ensures compatibility with the intended application, facilitating a straightforward installation process. By using the correct fastening components, you help maintain the efficiency and performance of your vehicle's fuel injection system. This part contributes to the overall reliability and longevity of your engine.