水松封墊 Gasket
　
502770
 Arm Cover (Front) Gasket
車殼密封墊 (前)
502833
 Arm Cover (Back) Gasket
車殼密封墊 (後)
502574
 Hook Shaft Gear Box Cover Gasket
梭軸齒輪箱密封墊
502521
 Bed Shaft Gear Box Cover Gasket
下軸齒輪箱密封墊