1993 Jeep Grand Wagoneer Differential Spool 4WD - Dana 44 - Standard Rotation - For Use w/30 Spline Axles - Steel - 3.92 Ratio And Up - Front guaranteed to replace your current 1993 Jeep Grand Wagoneer Differential Spool 4WD - Dana 44 - Standard Rotation - For Use w/30 Spline Axles - Steel - 3.92 Ratio And Up - Front. 1993 Jeep Grand Wagoneer Differential Spool comes new OEM 1993 Jeep Grand Wagoneer Differential Spool aftermarket new 1993 Jeep Grand Wagoneer Differential Spool of remanufactured 1993 Jeep Grand Wagoneer Differential Spool 4WD - Dana 44 - Standard Rotation - For Use w/30 Spline Axles - Steel - 3.92 Ratio And Up - Front.