Ratchet starter brush cutter chainsaw blower hedge trimmer EFCO compatible for models: EFCO 8420, 8425, 8460, 8465, 8510, 8510 BOSS, 8515, 8530, 8535, 8550 BOSS, DS 3800 S, DS 3800 T, DS 4200, EF 3600, EF 4300, SO 5300 Ergo, SO 5500 Ergo, Stark 37, Stark 38, Stark 42, Stark 44, Stark 3700, Stark 3800, Stark 4400 Code: 40272006 Original code: 4191016R , 4191016 EFCO