The GM 2237 all aluminum radiator is an exact fit, OEM replacement for a 1936 Pontiac Deluxe Series Silver Streak – 3.6 Liter L6 Radiator. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core has one row of 1.500 inch tubes and measures 15.25 inches from header to header, 24.5 inches from side to side, and 1.50 inches thick. Aluminum tanks are TIG welded to the core to provide the strongest possible bond and has a 1.50 inch inlet and 1.75 inch outlet. Each unit is individually tested prior to shipping and guaranteed to be 100% leak free.