Universal Parts shielded performance air filter for 139QMB / GY6 50cc 4-stroke engines. Features a high flow filter element inside a blue transparent hard rain and debris shield. Flexible rubber intake boot with stainless steel hose clamp adjusts to fit most 50cc carburetor flanges (39–40mm ID). Fits scooters, dirt bikes, ATVs, super pocket bikes, and other 139QMB/GY6-engined vehicles.
Not intended for use on public roads or land.
- Blue transparent hard rain/debris shield over black foam/gauze filter element
- Flexible rubber intake boot with stainless steel hose clamp
- Adjustable fit for most 50cc carburetor flanges (39–40mm ID)
- Fits 139QMB and GY6 50cc 4-stroke engines
Features
- Blue transparent hard rain/debris shield over filter element
- Flexible rubber intake boot with stainless steel hose clamp
- Adjustable fit for most 50cc carburetor flanges (39–40mm ID)
- Fits 139QMB and GY6 50cc 4-stroke engines
Specifications
- Intake Flange Inner Diameter: 39–40mm (adjustable)
- Flange Outer Diameter: 46mm
- Filter Height: 69mm
- Shield Outer Diameter: 73mm
- Includes: Blue hard rain/debris shield, rubber boot, stainless steel clamp
- Application: 139QMB / GY6 50cc 4-stroke
Popular 139QMB 50cc Engine Codes
| Popular 139QMB Engine Codes |
|---|
| 139QMA |
139QMB |
1P39QMB |
1P39QMA-2 |
| YN139QMB |
JJ1P39QMB |
139FMA-2 |
BD1P39QMB |
| BN139QMB |
147QMD |
Other QMA models |
Other QMB models |
California Prop 65 Warning: www.p65warnings.ca.gov
Model Fitment
All 139QMB/QMA 50cc 4T scooters, dirt bikes, ATVs, and super pocket bikes — also fits GY6 152QMI/157QMJ engines with matching carburetor flange diameter (39–40mm ID)
