现货山推SD22推土机油底壳纸垫403406，山推原厂油底壳AR45189-10水泵张紧轮总成10IDLERWATERPUMP145506O型密封圈90SEALORING208119-20张紧轮轴20SHAFTIDLER208120-20隔套20SPACER213082-20平垫圈20WASHERPLAIN215397-20张紧轮20PULLEYIDLER3038998油封90SEALOIL3063246-20轴承20BEARINGBALLS201-20六角螺母20NUTHE***YHEXAGONS965E-20管塞20PLUGPIPES16255-20挡圈20RINGRETAINING)