GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Powertrain Control Module (PCM)

3.670

Body Control Module

2.560

KS Module

3.670

Engine Coolant Temperature (ECT) Sensor

1.150

Intake Air Temperature (IAT) Sensor

3.682

Manifold.Absolute Pressure (MAP) Sensor

3.682

Mass Air Flow (MAF) Sensor

3.682

Heated Oxygen Sensor

3.682

Throttle Position (TP) Sensor

3.764

Vehicle Speed (VSS) Sensor

4.29

Crankshaft Position (CKP) Sensor

2.383

Camshaft Position (CMP) Sensor

2.383

Throttle Body Assembly

3.335

Fuel Injectors

3.300

Fuel Pressure Regulator Assembly

3.330

Linear Exhaust Gas Recirculation (EGR) Valve

3.670

Fuel Pump Relay

3.900

Intake Manifold Plenum

3.265

Fuel Rail Assembly

3.330

Fuel Tank

3.001

Fuel Tank Straps

3.022

Filler Tube

3.003

Fuel Sender

3.107

Fuel Pump

3.900

Inline Fuel Filter

3.890

Fuel Hoses Pipes Assemblys

3.120-3.163

Accelerator Pedal

3.451

Accelerator Control Cable

3.430

Idle Air Control (IAC) Valve

3.820

EVAP Canister

3.130

EVAP Purge Solenoid

3.130

EVAP Vacuum Switch

3.140

EVAP Pipes

3.163

Ignition Control Module

2.383

Ignition Coil

2.170

Knock Sensors

2.383

Positve Crankcase Vent Valve

1.745

Air Filter

3.410

Air Cleaner Assembly

3.402

Air Cleaner Duct Assembly

3.417

Cooling Fans

1.050

Cruise Contol Module

3.887

Clutch Anticipate Switch

4.054

TCC Brake Switch

4.115