DZ9112440526 支撑弹簧 Support spring
DZ9112440531 下回位弹簧 Lower return spring
DZ90149346016 桥壳锁紧螺母(厚)
DZ90149346014 锁紧螺母
注:宽体车
DZ90149416021 隔环
HD90149326050 过桥轴带法兰