SPARE1 NA.C300.NA 衬套,Piston-pin NA.C300.123340-23110 MECHANICAL SEAL NA.C300.123482-43351 OIL-SEAL NA.C300.190370-42050 滚珠轴承, #6004 NA.C300.24101-060044 O-RING NA.C300.24321-001200