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.
Key Features
139QMB Platform Compatible: Fits a wide range of 50cc and 80cc 4-stroke scooters using 139QMB-family engines.
Inline Filter Design: Compact housing with inlet and outlet barbs for standard fuel line installation.
Tune-Up Essential: Replace at every major service interval to maintain clean fuel delivery.
Technical Specifications
Overall Dimensions: 3″ L x 1.5″ W x 1.5″ H
Design: Inline fuel filter with barbed inlet/outlet
Application: 139QMB 50cc/80cc 4-stroke engines
Compatibility
Chicago Scooter Company models:
CSC go.
CSC go MAX
CSC Pug 50
CSC Nitro Sport 50
CSC Bella Classic 50
Other QMB models
139QMB-based 50cc / 80cc engines with the following engine codes:
139QMA
139QMB
1P39QMB
1P39QMA-2
YN139QMB
JJ1P39QMB
139FMA-2
BD1P39QMB
BN139QMB
147QMD
Other QMA models
Other QMB models
If your 50cc engine code includes “QM” or “FM”, this filter is likely compatible with your vehicle.
California Prop 65 Warning: www.p65warnings.ca.gov
