This OEM fuel filter assembly is a direct replacement for a wide range of 139QMB-based 50cc and 80cc scooters. The compact inline filter housing traps debris and contaminants before they reach the carburetor, protecting fuel system components and maintaining consistent fuel flow. A routine replacement item for any tune-up or fuel system service.
Chicago Scooter Company models:
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139QMB-based 50cc / 80cc engines with the following engine codes:
If your 50cc engine code includes "QM" or "FM", this filter is likely compatible with your vehicle.
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