Fuel filter cartridge for Demag AC 300

The fuel filter cartridge 42079112 is a component within the fuel delivery system of heavy machinery engines. Its function is to capture solid particles, water, and other impurities present in the fuel supply before they reach the injectors and the combustion chamber. By ensuring the delivery of clean fuel, this component protects sensitive engine parts, including the injection pump and the injectors, from contamination.

This part is compatible with the Demag AC 300 and Terex AC 300 crane models. It is designed to meet the specific filtration requirements of the engines used in these all-terrain cranes. Regular replacement of the fuel filter is a standard maintenance procedure to prevent issues such as power loss, increased fuel consumption, or difficult engine starts.

In diesel engine systems, fuel filters are typically constructed with pleated media designed to trap microscopic particles. Many units also incorporate a water separation feature to prevent moisture from causing corrosion within the fuel system. Maintaining a clean filter ensures that the fuel flow remains consistent, which supports the overall operational efficiency of the engine during heavy-duty crane applications.