For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Cap, Radiator Filler | 1.203
Deflectors, Radiator Air Baffles and | 1.272
Driveshaft, Water Pump 5.7L (VIN P) | 1.105
Hoses, Radiator Inlet and Outlet | 1.173
Kit, Water Pump | 1.069
Module, Engine Coolant Level Indicator 5.7L (VIN P) | 1.203
Motor, Electric Engine Cooling Fan and | 1.055
Panel, Radiator Upper Mounting | 1.270
Pipe, Engine Coolant Air Bleed 5.7L (VIN P) | 1.097
Pump, Water | 1.069
Radiator, Coolant | 1.219
Reservoir, Coolant Recovery | 1.240
Sensor, Engine Coolant Temperature | 1.150
Thermostat, Engine Coolant | 1.246