engine thermostat housing drain valve 发动机恒温器壳放泄阀

housing drain plug 壳体排放塞

filter housing drain 滤清器壳排油

flywheel housing drain 飞轮壳放油

filter housing drain plug 滤清器壳排油塞

filter housing drain valve 滤清器壳排油阀

flywheel housing drain line 飞轮壳放油管

fuel filter housing drain valve 燃油滤清器壳体放油阀

drive axle housing drain plug 驱动桥壳放油塞