CSF RADIATORS 6007 Intercooler. Partslink GM3012100 CSF provides the best Intercooler coverage in the Industry! ; Designed & engineered for Superior Performance & Drop-in fit. Fits what vehicles: 2001-2005 Chevrolet Silverado 2500 HD, 2001-2005 Chevrolet Silverado 3500, 2001-2005 GMC Sierra 2500 HD, 2001-2005 GMC Sierra 3500.
