Blue Line Fuel Filter Assembly | 139QMB Scooters

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:

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.

California Prop 65 Warning: www.p65warnings.ca.gov

• OEM direct-fit for CSC go., go MAX, Pug 50, Nitro Sport 50, Bella Classic 50
• Fits 139QMB/1P39QMB 50cc and 80cc 4-stroke engines
• Inline filter design with barbed inlet and outlet
• Compact 3"x1.5" housing
• Tune-up replacement item

Dimensions: 3" L x 1.5" W x 1.5" H | Design: Inline barbed fuel filter | Engine: 139QMB / 1P39QMB 50cc-80cc 4-stroke

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