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Top of Engine Components (LT4)

Fig 1: Top of Engine Components (LT4)
GM4289314Courtesy of GENERAL MOTORS COMPANY
Items
1. B34 Engine Coolant Temperature Sensor B34 Engine Coolant Temperature SensorB34 Engine Coolant Temperature Sensor (LGX)B34 Engine Coolant Temperature Sensor
2. Q17B Fuel Injector 2 Q17B Fuel Injector 2 (LF4 or LFX) Q17B Fuel Injector 2Q17B Fuel Injector 2 (LTG)
3. Q17D Fuel Injector 4 Q17D Fuel Injector 4 (LF4 or LFX) 
4. Q17F Fuel Injector 6 Q17F Fuel Injector 6 (LF4 or LFX) Q17F Fuel Injector 6
5. Q17H Fuel Injector 8 (LT4) Q17H Fuel Injector 8
6. G18 High Pressure Fuel Pump G18 High Pressure Fuel Pump (LF4)G18 High Pressure Fuel Pump (LGX/LTG)
7. B47B Fuel Rail Pressure Sensor B47B Fuel Rail Pressure Sensor (LF4/LGX)B47B Fuel Rail Pressure SensorB47B Fuel Rail Pressure Sensor (LTG)
8. Q17G Fuel Injector 7 (LT4) Q17G Fuel Injector 7
9. Q17E Fuel Injector 5 Q17E Fuel Injector 5 (LF4 or LFX) Q17E Fuel Injector 5
10. Q17C Fuel Injector 3 Q17C Fuel Injector 3 (LF4 or LFX) Q17C Fuel Injector 3Q17C Fuel Injector 3 (LTG)
11. Q17A Fuel Injector 1 Q17A Fuel Injector 1 (LF4 or LFX) Q17A Fuel Injector 1Q17A Fuel Injector 1 (LTG)
12. Q43 Valve Lifter Oil Manifold Assembly (LT4)
13. B37B Engine Oil Pressure Sensor B37B Engine Oil Pressure Sensor (LF4/LGX)B37B Engine Oil Pressure Sensor (LTG)