EFCO - OLEOMAC compatible chainsaw hedge trimmer blower oil hose length 37 mm FOR MODELS 136, 136S, 137, 140, 140S, 141SP, MT3700, MT4000 MT4100S, MT4100SP, MT440, MT4400, 936, 937, 940, 940C, 941CX GS370, GS410C, GS410CX, GS44, GS440, GS940 Part No.: 176-574 Original part No.: 50050049 EFCO/OLEOMAC VR