GM 2089B – Aluminum Chevrolet Truck Radiator, 2.75″ Wide Mount

The GM 2089B is an all-aluminum radiator designed as an exact fit, OEM replacement for a variety of 1978-1981 Chevy trucks with big-block engines. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core has two rows of 1.25 inch tubes and measures 28.25 inches from header to header, 20.08 inches from side to side, and 2.25 inches thick. The aluminum tanks are TIG welded to the core and have a 1.25-inch inlet and a 1.50-inch outlet