What parts are needed for the composition of heavy truck WP12 engine assembly?

The components of the WP12 engine assembly for heavy-duty trucks include:

1. Cylinder block - 气缸块
2. Cylinder head - 汽缸头
3. Camshaft - 凸轮轴
4. Crankshaft - 曲轴
5. Connecting rods - 连杆
6. Pistons - 活塞
7. Piston rings - 活塞环
8. Bearings - 轴承
9. Timing gears and chains - 正时齿轮和链条
10. Oil pump - 油泵
11. Water pump - 水泵
12. Fuel injectors - 燃油喷嘴
13. Turbocharger - 涡轮增压器
14. Exhaust system - 排气系统
15. Intake system - 进气系统
16. Electrical system - 电气系统
17. Cooling system - 冷却系统
18. Lubrication system - 润滑系统.