Air filter element set for Cummins engines

The air filter elements AF26399 + AF26400 are designed for the air intake system of Cummins engines. These components capture dust, dirt, and other airborne particles before they enter the combustion chamber. By ensuring a clean air supply, these filters protect internal engine components such as cylinders, pistons, and valves from abrasive wear and deposit buildup.

This set is compatible with various Cummins engines used in heavy machinery, including industrial cranes, excavators, and power generation equipment. The combination of these two parts typically represents a two-stage filtration system, where one element serves as the primary filter for larger particles and the other acts as a secondary or safety filter for finer debris. This configuration ensures consistent protection for the engine air intake.

Air filters function by forcing intake air through a porous medium that traps contaminants while allowing clean air to pass into the engine. Maintaining clean filters is necessary to prevent restricted airflow, which can lead to incomplete combustion, power loss, and increased fuel consumption. Regular inspection and replacement of these elements are standard procedures in engine maintenance to prevent the entry of abrasive particles that cause premature wear.