For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Accumulator | 9.195
Air Distributor - Duct | 9.786
Air Outlet - Defogger | 9.779
Air Outlet - Duct I/P | 9.262
Air Outlet - Side Window Defogger | 9.780
Blower - Impeller | 9.216
Blower - Motor | 8.855
Blower - Motor and Fan | 8.855
Blower Motor - Rear Auxiliary | 8.855
Blower Motor - Resistor | 8.855
Blower Motor - Resistor Auxiliary | 8.855
Blower Motor - Tube | 9.218
Control Switch - Auxiliary | 9.273
Evaporator - Case | 8.854
Evaporator - Core | 9.210
Filter | 9.210
Heater - Case | 8.854
Heater - Core | 8.845
Heater - Core Rear | 8.854
Heater Case - Auxiliary | 8.854
Heater Module - Auxiliary | 8.855
Heater Pipe - Auxiliary Rear | 8.845
Heater Pipe - Auxiliary Front | 8.845
Hose - Heater | 8.846
Hot Water - Valve Bypass | 8.846
Hot Water - Valve Bypass | 9.795
Insulator - Blower Motor | 9.216
Orifice | 9.213
Outlet - Side Window Defogger | 9.780
Outlet -I/P Center Air | 9.262
Side Window Defogger Outlet | 9.780
Switch - Cycling | 9.172