What parts are required for the composition of heavy truck natural gas engine assembly? pieces

The components required for the assembly of a natural gas engine for heavy-duty trucks include:

1. Cylinder block
2. Piston
3. Connecting rod
4. Crankshaft
5. Cylinder head
6. Camshaft
7. Timing gears
8. Valve train
9. Fuel injectors
10. Fuel pump
11. Turbocharger
12. Exhaust gas recirculation valve (EGR valve)
13. Throttle valve
14. Ignition system (if spark-ignited)
15. Electronic control unit (ECU)
16. Sensors (e.g. temperature, pressure, oxygen, etc.)