The GM 2093 all aluminum radiator is an exact fit, OEM replacement for 1928 GMC Buicks. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core measures 26.63 inches from header to header, 19.68 inches from side to side, and 2.25 inches thick. Aluminum tanks are TIG welded to the core to provide the strongest possible bond. Each unit is individually tested prior to shipping and guaranteed to be 100% leak free.