For 2013+ Peterbilt 579 models with 123″ BBC and underbody exhaust. Designed for 44″ sleepers with extenders. The driver side cab skirt has 2 block heater hole cutouts. The skirts measure 2.5″ wide and have X2ACG2 LED lights. Hardware, lights and harness included.
Installation instructions: IIPB038
For ordering or pricing information, please visit your local Peterbilt dealership.