Peterbilt 579 LED Black Headlight Replacement Left Right Pair SETPeterbilt 579 Light Replacements At PitStop, we offer plenty of replacement parts for the Peterbilt 579, including replacement headlights and fog lights. You can check out LED headlight sets in chrome and black, depending on what you will need for your vehicle. Try out this black LED headlight replacement set for your 579. Peterbilt 578 LED Black Headlight Replacement Set This headline replacement set comes with both driver and passenger side lights.