Collettore Aspirazione, Flangia Termica Motosega:
-Oleo Mac = 937, 941C, 941CX, GS350, GS37, GS370, GS371, GS41, GS410C, GS410CX, GS411, GS45, GS451, GSH40, GSH400
-Efco = 137, 141S, 141SP, MT350, MT3500, MT3700, MT371, MT3710, MT4100S, MT4100SP, MT411, MT4110, MT451, MT4510, MTH400, MTH4000

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