| 1: T8H Ignition Coil 8 (L99, LS3 LSA, or LS7) T8H Ignition Coil 8 (L99, LS3, LSA, or LS7) |
| 2: T8F Ignition Coil 6 T8F Ignition Coil 6 (L99, LS3, LSA, or LS7) |
| 3: T8D Ignition Coil 4 T8D Ignition Coil 4 (L99, LS3, LSA, or LS7) |
| 4: T8B Ignition Coil 2 T8B Ignition Coil 2 (L99, LS3, LSA, or LS7) |
| 5: Q12 Evaporative Emission Purge Solenoid Valve Q12 Evaporative Emission Purge Solenoid Valve (L99, LS3, LSA, or LS7) |
| 6: B75B Mass Air Flow/Intake Air Temperature Sensor (L99, LS3, LSA, or LS7) B75B Mass Air Flow/Intake Air Temperature Sensor (L99, LS3, LSA, or LS7) |
| 7: B23 Camshaft Position Sensor (L99, LS3, LSA, or LS7) B23 Camshaft Position Sensor (L99, LS3, LSA, or LS7) |
| 8: Q6 Camshaft Position Actuator Solenoid Valve (L99) Q6 Camshaft Position Actuator Solenoid Valve (L99) |
| 9: B26 Crankshaft Position Sensor B26 Crankshaft Position Sensor (L99, LS3, LSA, or LS7) |
| 10: Q2 A/C Compressor Clutch Q2 A/C Compressor Clutch |
| 11: B35C Engine Oil Level and Temperature Sensor (L99, LS3 or LSA) B35C Engine Oil Level and Temperature Sensor (L99, LS3 or LSA) |
| 12: M64 Starter Motor M64 Starter Motor X1M64 Starter Motor X2 |
| 13: B68B Knock Sensor 2 B68B Knock Sensor 2 |