Hardware included. The 1st picture is when the light is lit up, 2nd picture is when it is not. M179A light.
Part #: MD588
For 1987+ Peterbilt 389, 388, 379, 378 and 377 models with standard air cleaners. With 6 X3ACG2 LED lights. Measures 18.69″ long with a 4.56″ mount.
Part #: MD9011
For 2013+ Peterbilt 579 models with 123″ BBC and underbody exhaust. For 44″ sleepers with extenders. Plain. 2.5″ wide.