Lawn tractor trimmer spring, lawn mower compatible TECUMSEH For models: TECUMSEH TVS 100 , TVS 105 , TVXL 105 , V 40 , V 50 , V 60 , V 70 , VH 40 , VH 50 , VH 60 , VH 70 , ECV 100 , ECV 105 , ECV 110 , ECV 120 , LAV 30 , LAV 35 , LAV 40 , LAV 50 Original part no.: 30270268 Original part no.: 31361 ah m