Product Details
DESCRIPTION: OEM replacement for CSC go Fuel Filter Assembly and most 139QMB Chinese scooters
139QMB ENGINES: Chinese scooters
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Code: 139QMB
- Fits Models / Common Applications: CSC and other compatible models may apply.
- Fitment Notes: OEM, Clone / Chinese
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a CSC?
A: This SKU is listed with CSC model fitment where the scooter also matches the listed engine or fitment notes.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 3 × 1.5 × 1.5 in |
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
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.





