Fit for: For FS38 FS45 FS45C FS45L FS46 FS46C FS55 FS55C FS55R FS55RC FS55T. Carburetor replace manufacturer part number: # C1Q-S66 C1Q-S71 C1Q- C1Q-S143 C1Q-S153 C1Q-S186, 4140 120 0612, 4140 120 0619, make sure your carburetor model is listed.
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