Replacement OEM numbers: 1128 129 0906, 4116 121 4700, 4116 121 4800, 4116 129 0902, 4116 121 5100, 4116 121 5000, 1113 121 9200, 4117 122 9402, 1114 121 7800, 1133 120 0604, 1133 120 0607, 1133 120 0612. Compatibility: Compatible with Walbro K10-HDA K22-HDA; Compatible with Echo CS500, CS601TVL, CS5000, CS601TVLA, CST610ELV/T, CSV453; Also Compatible with Stihl 029, 039, 044, 046, MS270, MS270C, MS280, MS280C, MS290, MS310, MS341, MS361, MS361C, MS390, MS440, MS441, MS441C, MS460, MS461. Made of oil- and heat-resistant material, the gasket edges are burr-free, effectively preventing oil leakage. Each pack contains 5x gaskets/diaphragms, 7x repair parts, sufficient for replacement., Manufacturer: AS Axis Spindleon