1999-2003 GMC Sierra 2500 6.0L V8. 1999-2000 GMC Sierra 2500 5.3L V8. 2004 GMC Sierra 2500 6.0L V8. Water Pump Drive Type: Serpentine Belt. All required hardware included for easy installation. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.