Just stumbled on this by accident, but it sure looks like the part we need to fix the leaky water control valve in the 64 B bodies...AFTER I replaced mine with the Bouchillon valve. http://napaonline.com/masterpages/NOLMaster.aspx?PageId=470&LineCode=BK&PartNumber=6601000&Description=Heater+Valve+Repair+Kit Jeff Adams 64 Polara ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.