4.06.04 凸轮轴承 CAM bearing
4.06.03 止推轴承 Thrust bearing
4.06.148 气门齿锁 Valve tooth lock
4A.04.106 活塞梯形环 Piston trapezoidal ring
4A.04.108 活塞压缩环 Piston compression ring
36C.03.107 气缸套 Cylinder sleeve