1997 Ford E Series Van Differential Spool E-350 Econoline - Dana 60 - w/ 35 Spline Axles - Spartan Locker - Installs into standard open carrier case - Rear guaranteed to replace your current 1997 Ford E Series Van Differential Spool E-350 Econoline - Dana 60 - w/ 35 Spline Axles - Spartan Locker - Installs into standard open carrier case - Rear. 1997 Ford E Series Van Differential Spool comes new OEM 1997 Ford E Series Van Differential Spool aftermarket new 1997 Ford E Series Van Differential Spool of remanufactured 1997 Ford E Series Van Differential Spool E-350 Econoline - Dana 60 - w/ 35 Spline Axles - Spartan Locker - Installs into standard open carrier case - Rear.