2004 Mack MR Light Switches
- Dorman HD Solutions®Headlight Dimmer SwitchMack MR 2004, Headlight Dimmer Switch by Dorman HD Solutions®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman HD Solutions provides you with the security of knowing that your switch will...Easy installation; just plug it in to the mating componentDirect replacement matches original design$46.03