Volvo Heavy Duty Truck Tractor-Trailer / Dump Truck Headlight, Hazard, and Dimmer switch.  

This unit removed from a crash damaged NEMF long haul Truck - comes with a 60 day warranty.  Far far cheaper here than OE units, still much cheaper than the crappy aftermarket replacements.  This is OE volvo part.

OE part number is correct and listed.  Please compare this to your original before buying.