1989 Ford E Series Van Differential Carrier E-250 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear guaranteed to replace your current 1989 Ford E Series Van Differential Carrier E-250 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear. 1989 Ford E Series Van Differential Carrier comes new OEM 1989 Ford E Series Van Differential Carrier aftermarket new 1989 Ford E Series Van Differential Carrier of remanufactured 1989 Ford E Series Van Differential Carrier E-250 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear.