Notes: Carburetor Float -- Primary; Refer to OEM interchange carburetor number to verify all components; Carb MFG: R-4; Carb MFG: 4MV. 1979 GMC C2500 5.7L V8. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
