Fits what vehicles: 2006-2007 Peterbilt 379, 2008-2015 Peterbilt 384. This Dorman OE FIX solution directly replaces a failed switch to reduce repair costs. Dorman 599-5000 HVAC Blower Motor Switch. Cost-efficient repair - this HVAC blower motor switch directly replaces a failed switch so you don't need to by a new module.
