Description Additional Info Product Reviews Headlamp Voltage: 12 MCE MVE Halogen Single System Uses PSB-1016 bulb Mack Early CH / RB / RD Model application UPC: 193807213541 Mfr Part Number: 42390 Description: Headlamp Voltage: 12 MCE MVE Halogen Single System Uses PSB-1016 bulb Mack Early CH / RB / RD Model application