Scooterworks USA, LLC
Description
A complete replacement oil pump assembly for 139QMB and 139QMA 4-stroke 50cc/80cc engines. This kit includes the pump body, 33-tooth nylon drive gear, O-rings, mounting bolts, spacer, and nut — everything needed for a full pump replacement. Compatible with all 139QMB-based engines used in Chinese-manufactured 50cc scooters sold in the US market. SKU: 151-43.
- Complete assembly: pump body, 33-tooth nylon drive gear, O-rings, bolts, spacer, and nut
- For use with 33-tooth oil pump drive gear
- Direct OEM-equivalent replacement
- Fits all 139QMB / 139QMA engine variants
- SKU: 151-43
Compatible Engine Codes
Fits 139QMB-based 50cc and 80cc engines. If your 50cc-80cc 4 stroke engine code contains "QM" or "FM", this part is likely compatible.
| Engine Codes | |||
|---|---|---|---|
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
Compatible US-Market Brands
Fits 139QMB-powered 50cc scooters from the following high-volume US brands:
| Brand | Notes |
|---|---|
| TaoTao / Tao Motors | All 139QMB 50cc models |
| Chicago Scooter Company (CSC) | go., go MAX, Pug 50, Nitro Sport 50, Bella Classic 50 |
| Jonway | All 139QMB 50cc models |
| ZNEN | All 139QMB 50cc models |
| Wolf Brand Scooters | All 139QMB 50cc models |
| BMS / PowerSports | All 139QMB 50cc models |
| Icebear | All 139QMB 50cc models |
| Bintelli | Breeze, Sprint, Scorch, Havoc 50 |
| Fly Scooters | All 139QMB 50cc models |
| SSR Motorsports | All 139QMB 50cc models |
| Lance Powersports | Cabo 50, PCH 50, Cali Classic 50 |
| Kymco | People 50, Agility 50 (139QMB variants) |
| Roketa | All 139QMB 50cc models |
| Vento | All 139QMB 50cc models |
| Vitacci | All 139QMB 50cc models |
| X-Pro / X-Treme | All 139QMB 50cc models |
| Trailmaster | All 139QMB 50cc models |
| Coolster | All 139QMB 50cc models |
| Schwinn | All 139QMB 50cc models |
Product Diagrams
Features
Specifications
Engine: 139QMB / 139QMA 50cc/80cc 4-stroke | Drive Gear: 33-tooth nylon | Includes: pump body, gear, O-rings, mounting bolts, spacer, nut | SKU: 151-43
Model Fitments
TaoTao/Tao Motors 139QMB 50cc, Chicago Scooter Company go./go MAX/Pug 50/Nitro Sport 50/Bella Classic 50, Jonway 139QMB 50cc, ZNEN 139QMB 50cc, Wolf Brand Scooters 139QMB 50cc, BMS 139QMB 50cc, Icebear 139QMB 50cc, Bintelli Breeze/Sprint/Scorch/Havoc 50, Fly Scooters 139QMB 50cc, SSR Motorsports 139QMB 50cc, Lance Cabo 50/PCH 50/Cali Classic 50, Kymco People 50/Agility 50, Roketa 139QMB 50cc, Vento 139QMB 50cc, Vitacci 139QMB 50cc, X-Pro/X-Treme 139QMB 50cc, Trailmaster 139QMB 50cc, Coolster 139QMB 50cc, Schwinn 139QMB 50cc
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Same day shipping for orders placed before 2PM (CST) M-F
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30-day return period on eligible items
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Flat-rate shipping for orders shipped to the 48 Contiguous United States.
