I need a complete parts breakdown for scott s1642. I need to find the part numbers for the pulley that goes on top of the k51a transmission. It has a couple of spline bushings on each side that are worn. This is the rear pulley the belt goes around with the fan. Please help

Hi,
The source is JDParts at:
John Deere - Parts Catalog (http://jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.HomePa geServlet_Alt)
And the pulley is #M127358.
Peace,
Clarke