Mac Auto Parts 64794 01-08 Chevrolet GMC 6.6 Duramax Diesel 3 Fuel Filters 3 Pack Protects your vehicle's fuel system from contaminants, such as: dirt, rust, and paint particles Traps contaminants before they enter the fuel delivery system for improved engine performance Manufactured to meet expectations for fit, form, and function Micron Rating - 5 Microns Pack of Three Premium Filters