GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Air Cleaner Assembly

3.402

Air Cleaner Duct Assembly

3.417

Air Filter

3.410

Body Control Module

2.560

Camshaft Position (CMP) Sensor

2.383

Clutch Anticipate Switch

4.054

Cooling Fans

1.050

Crankshaft Position (CKP) Sensor

2.383

Engine Coolant Temperature (ECT) Sensor

3.682

EVAP Canister

3.130

EVAP Fuel Tank Pressure Sensor

3.140

EVAP Hoses and Pipes

3.145

EVAP Purge Solenoid

3.140

EVAP Vacuum Switch

3.140

Fuel Hoses and Pipes

3.163

Fuel Injectors

3.300

Fuel Pressure Regulator Assembly

3.330

Fuel Pump

3.900

Fuel Pump Relay

3.900

Fuel Rail Assembly

3.330

Fuel Sender

3.107

Fuel Tank

3.001

Fuel Tank Straps

3.022

Heated Oxygen Sensor

3.682

Inline Fuel Filter

3.890

Ignition Coil

2.170

Ignition Control Module

2.170

Intake Air Temperature (IAT) Sensor

3.682

Intake Manifold Plenum

3.265

Knock Sensors

2.383

KS Module

3.670

Linear Exhaust Gas Recirculation (EGR) Valve

3.670

Manifold Absolute Pressure (MAP) Sensor

3.682

Mass Air Flow (MAF) Sensor

3.682

Positve Crankcase Vent Valve

1.745

Powertrain Control Module (PCM)

3.670

TCC Brake Switch

4.115

Throttle Body Assembly

3.335

Vehicle Speed (VSS) Sensor

3.682