12GC412
Fuel Injection Nozzle Holder
Mack

The fuel injection nozzle holder secures the fuel injectors in place, ensuring precise fuel delivery into the combustion chamber. Its robust construction maintains injector alignment, which is crucial for optimal engine performance and fuel efficiency. Properly secured injectors prevent leaks and misfires, contributing to cleaner emissions and smoother engine operation. This component must withstand high pressures and temperatures, making durability and precision vital. By maintaining proper injector positioning, it helps achieve consistent power output and fuel economy. Source One Parts Center supplies this essential part, designed for heavy-duty engines requiring reliable fuel system components to keep your truck running at peak performance.