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P550463

FUEL FILTER, WATER SEPARATOR CARTRIDGE

This is a diesel fuel filter and water separator cartridge from Donaldson. It removes solid contaminants and emulsified water from fuel, helping to protect injectors, pumps and other sensitive engine components. The filter uses cellulose media and is engineered for heavy‑duty trucks, equipment and industrial engines. Replacement is necessary when the filter becomes loaded with debris or the water‑separating media loses efficiency, indicated by service intervals or fuel system warnings.