Maximize your ride with the 4-inch factory replacement cowl panels with light cutout options, the stainless steel exterior part is made to fit 1987-2007 Peterbilt 379 trucks, offering a narrow 4 inch hood extension that replaces worn-out or plain factory panels while providing openings for mounted lights (lights not included). These panels are sold in pairs and come with a choice of light cutout styles such as three elite, three slotted, three universal, four round 2-inch, four universal, four Peterbilt-style or five bullseye cutouts, letting you tailor the look. They are aftermarket replacement parts with a warranty against defects in workmanship and materials and are designed to be a direct replacement for original cowl panels, helping maintain a clean exterior appearance and prepare for custom lighting installations.