4 0 Peterbilt 579 Right Headlight Assembly Recently Updated $400 USD New aftermarket headlight for passenger side Peterbilt 579 2012-2021. United Pacific brand, OEM #35780. Comes with bright projector headlight with LED position light and LED sequential turn... ConditionNewFits To Make(s)PETERBILTFits To Model(s)579SideRightStock NumberUPI 35780 MLS Number12300077CategoryHeadlight Assemblies Last Updated11/7/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info