Keep the cooling system in your 1982-2000 Chevy/GMC 6.2L/6.5L Diesel working properly with a new radiator. Find high-quality replacement Radiators from brands such as XDP X-TRA Cool, Mishimoto, CSF, AFE, and Flex-A-Lite. A radiator is a type of heat exchanger that has hot coolant flowing through it, the outside air passes over the radiator fins and allows heat to dissipate. Shop now at XDP and make sure your cooling system and radiator can handle the heat! Over time your factory radiator can require replacement due to leaks, clogs, front-end collisions, and many other reasons.