2002 Ford E Series Van Differential Spool E-150 Econoline - RWD - Ford 8.8 in. - Steel - For Use w/31 Spline Axles - Requires C-Clip Eliminator - Rear guaranteed to replace your current 2002 Ford E Series Van Differential Spool E-150 Econoline - RWD - Ford 8.8 in. - Steel - For Use w/31 Spline Axles - Requires C-Clip Eliminator - Rear. 2002 Ford E Series Van Differential Spool comes new OEM 2002 Ford E Series Van Differential Spool aftermarket new 2002 Ford E Series Van Differential Spool of remanufactured 2002 Ford E Series Van Differential Spool E-150 Econoline - RWD - Ford 8.8 in. - Steel - For Use w/31 Spline Axles - Requires C-Clip Eliminator - Rear.