Pump, Water This water pump is completely new, from the seal to the housing. It has a 0.5" wide pulley and fits the John Deere Tractor B (SN B306600> (Pulley width 0.5")) and 50 (SN 5016057 (Pulley width 0.5")). (NOTE: replaces AB4262R-R)Pulley width 1/2" John Deere Tractor 50 (SN<5016057 (PULLEY WIDTH 1/2"))
