GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

A/C Compressor

9.170

A/C Compressor Clutch Bearing

9.181

A/C Compressor Clutch Coil

9.186

A/C Compressor Clutch Plate & Hub

9.188

A/C Compressor Clutch Rotor

9.275

A/C Compressor Control Valve

9.176

A/C Compressor Pressure Relief Valve

9.178

A/C Compressor Relay

9.277

A/C Compressor Sealing Washers

9.222

A/C Compressor Shaft Seal

9.175

A/C Condenser

9.190

A/C Evaporator Core (Front)

9.210

A/C Expansion Refrigerant Orifice

9.213

A/C Refrigerant Accumulator

9.195

A/C Refrigerant lines (Compressor w/muffler)

9.226

A/C Refrigerant (All Metal) Tube

9.220

A/C Refrigerant Tubes (Auxiliary)

9.225

A/C Refrigerant Line O-Rings

8.927

A/C Refrigerant Pressure Sensor

9.275

A/C Service Ports

9.177

Air Distribution Duct (Auxiliary)

9.262

Air Distribution Duct (Center)

9.262

Air Distribution Duct (Center Floor)

9.262

Air Distribution Duct (Defrost)

9.779

Air Distribution Duct (Extended Console)

9.262

Air Distribution Duct (Side Window)

9.780

Air Distribution Duct (Instrument Panel)

10.230

Air Inlet Valve

9.784

Air Inlet Valve Actuator

9.280

Air Outlet Ducts (Auxiliary)

9.262

Ambient Air Temperature Sensor

9.770

Blower Motor (Front)

8.855

Blower Motor (Auxiliary)

8.855

Blower Motor Fan (Front)

8.857

Blower Motor Resistor (Front)

9.215

Blower Motor Resistor (Auxiliary)

8.855

Defrost Valve

9.779

Defrost Valve Actuator

9.280

Heater and A/C Control Assembly (Front)

9.273

Heater and A/C Control Assembly (Front Auxiliary)

9.275

Heater and A/C Control Assembly (Rear Auxiliary

9.273

Heater Core (Front)

8.854

Heater Core (Auxiliary)

8.854

Heatert Core Cover

9.211

Heater Inlet and Outlet Hoses

8.846

Heater Inlet and Outlet Pipe

8.846

Heater Pipes (Auxiliary)

8.846

HVAC Module (Front)

9.169

HVAC Module (Auxiliary)

9.169

HVAC Module Case Seals

9.211

Mode Valve (Front)

9.786

Mode Valve Actuator (Front)

9.280

Mode Valve Actuator (Auxiliary)

9.280

Passenger Compartment Air Filter

9.786

Temperature Valve (Front)

8.858

Temperature Valve Actuator (Front)

9.280

Temperature Valve Actuator (Auxiliary)

9.280

Thermal Expansion Valve (Auxiliary)

9.213

Vacuum Lines

9.281

Vacuum Tank

9.281