1991 Dodge Pick-up Truck Differential Carrier W350 - 4WD - Yukon Dura Grip positraction - Dana 60 - 30 spline - Full Float Axle - 4.10 and Down Ratio or Thick Gears - Rear guaranteed to replace your current 1991 Dodge Pick-up Truck Differential Carrier W350 - 4WD - Yukon Dura Grip positraction - Dana 60 - 30 spline - Full Float Axle - 4.10 and Down Ratio or Thick Gears - Rear. 1991 Dodge Pick-up Truck Differential Carrier comes new OEM 1991 Dodge Pick-up Truck Differential Carrier aftermarket new 1991 Dodge Pick-up Truck Differential Carrier of remanufactured 1991 Dodge Pick-up Truck Differential Carrier W350 - 4WD - Yukon Dura Grip positraction - Dana 60 - 30 spline - Full Float Axle - 4.10 and Down Ratio or Thick Gears - Rear.