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Home >> Chevrolet >> 2001 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Specifications >> Specifications >> GM SPO Group Numbers
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GM SPO Group Numbers

GM SPO Group Numbers

Application GM SPO Group Number
Accelerator Pedal 3.451
Air Cleaner Assembly 3.402
Air Filter 3.410
Camshaft Position (CMP) Sensor 2.383
Crankshaft Position (CKP) Sensor 2.383
Engine Coolant Level Switch 1.203
Engine Coolant Temperature (ECT) Sensor 3.682
Engine Oil Level Sensor 1.516
Engine Oil Pressure Sensor 1.800
EVAP Canister 3.130
EVAP Fuel Tank Pressure Sensor 3.140
EVAP Hoses and Pipes 3.145
EVAP Purge Solenoid 3.140
EVAP Vent Valve 3.140
Exhaust Gas Recirculation (EGR) Valve 3.670
Fuel Hoses and Pipes 3.163
Fuel Injectors 3.300
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
Ignition Coil 2.170
Inline Fuel Filter 3.890
Intake Air Duct 3.417
Intake Air Temperature (IAT) Sensor 3.682
Knock Sensors 2.383
Manifold Absolute Pressure (MAP) Sensor 3.682
Mass Air Flow (MAF) Sensor 3.682
Positive Crankcase Vent Valve 1.745
Powertrain Control Module (PCM) 3.670
Secondary Air Injection Hoses/Pipes and Check Valves 3.670-3.675
Secondary Air Injection Pump 3.660
Secondary Air Injection Pump Relay 3.682
Secondary Air Injection Solenoid 3.670
Secondary Air Injection Shut Off Valve 3.670
Throttle Body Assembly 3.335
Throttle Position (TP) Sensor 3.339
Vehicle Speed (VSS) Sensor 3.682