With most all the Perkins installations now 10 or more years old, there must be one or two who have had to replace the fresh water pump (the one mounted on the front of the engine.) I'm in the midst of such now. May I hear from you? Warren & Pattie Updike C320, #62, 1994, "Warr De Mar" Frog Mortar Creek, Middle River Chesapeake Bay