ATVATP Piston Wrist Pin Needle Bearing Cage (10x14x13mm) for STIHL 029 034 036 039 MS290 MS310 MS340 MS360 MS390 Chainsaw Replacement part number: 9512 003 2340 Size: 10x14x13mm Fits STIHL 029 034 036 039 MS290 MS310 MS340 MS360 MS390 Chainsaw