GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

A/C Compressor Control Module

9.277

Accelerator Control Cable

3.430

Accelerator Pedal

3.451

Air Cleaner Assembly

3.402

Air Cleaner Duct Assembly

3.417

Air Filter Element

3.410

Camshaft Position (CMP) Actuator Solenoid Valve

0.736

Camshaft Position (CMP) Actuator Solenoid Oil Filter

0.736

Camshaft Position (CMP) Sensor

2.383

Crankshaft Position (CKP) Sensor

2.383

Circuit Opening (Fuel Pump) Relay

3.900

EFI Relay

3.314

Engine Coolant Temperature (ECT) Sensor

3.682

EVAP Canister

3.130

EVAP Canister Purge Solenoid Valve

3.130

EVAP Canister Vent Solenoid Valve

3.130

EVAP Pressure Switching Solenoid

3.130

Fuel Filter

3.890

Fuel Injectors

3.300

Fill Limiter Vent Valve (fuel tank over fill check valve)

3.107

Fuel Pressure Regulator

3.330

Fuel Pump

3.900

Fuel Rail Assembly

3.330

Fuel Sender (fuel pump) Assembly

3.107

Fuel System/EVAP Hoses and Pipes

3.120-3.163

Fuel Tank

3.001

Fuel Tank Filler Tube

3.003

Fuel Tank Pressure Sensor

3.107

Fuel Tank Straps

3.022

Heated Oxygen Sensors

3.862

Idle Air Control (IAC) Valve

3.820

Ignition Coils

2.170

Intake Air Temperature (IAT) Sensor (part of MAF sensor)

3.682

Knock Sensor

2.383

Mass Air Flow (MAF) Sensor

3.682

Positive Crankcase Ventilation (PCV) Valve

1.745

Powertrain Control Module (PCM)

3.670

Spark Plugs

2.270

Spark Plug Wires

2.240

Throttle Body

3.335

Throttle Position (TP) Sensor

3.682

Vehicle Speed (VSS) Sensor

3.682