MAKER:SANKYO SEISAKUSHO
-==>O-RING (PCS)
21==>GASKET (PCS)
27==>BELLOWS (PCS)
28==>GASKET,20 (PCS)
28==>GASKET,40 (PCS)
30==>VALVE GUIDE + BELLOW CASE (SET)
36==>GASKET (PCS)