1981 Dodge Pick-up Truck Differential Carrier D350 - RWD - Dana 70 - Standard - 32 Spline - 4.10 And Down Carrier Break - Narrow For 70-2U - Rear guaranteed to replace your current 1981 Dodge Pick-up Truck Differential Carrier D350 - RWD - Dana 70 - Standard - 32 Spline - 4.10 And Down Carrier Break - Narrow For 70-2U - Rear. 1981 Dodge Pick-up Truck Differential Carrier comes new OEM 1981 Dodge Pick-up Truck Differential Carrier aftermarket new 1981 Dodge Pick-up Truck Differential Carrier of remanufactured 1981 Dodge Pick-up Truck Differential Carrier D350 - RWD - Dana 70 - Standard - 32 Spline - 4.10 And Down Carrier Break - Narrow For 70-2U - Rear.