Applications
Cylinder Kits
GY6 50cc 踏板车（139QMB）
Inquiry Support
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Share the model, quantity and target market, and we will help confirm quotation, packaging and lead time.
Fitment & Order
Before You Request Quote
OEM number
Engine model
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Qty / destination
Cylinder Kits
GY6 50cc 39mm Cylinder Kit for Chinese Scooters — 139QMB Fitment
GY6 50cc 39mm 缸体套件，适用于中国踏板车 — 139QMB 适配
✓ Market Verified: High-volume GY6 50cc category, consistent platform orders
39mm cylinder kit for GY6 50cc scooter engines. Fits 139QMB platform. Includes cylinder, piston, rings, pin, clips and gasket set. OEM replacement and rebuild use.
Quality TestedOEM SupportBulk OrderFast InquiryGlobal Shipping
Performance Highlights
- 39mm bore for GY6 50cc (139QMB) engines
- Cylinder, piston, rings, pin and circlips
- Complete gasket set included
- Suitable for OEM replacement or standard rebuild
- Wide compatibility with Chinese 50cc scooters
- MOQ from 10 pcs
B2B Inquiry Support
Get Quote and Supply Check
Fast ResponseWithin 24h on business days
MOQ10 pcs
Lead Time10-15 days
PackagingNeutral / OEM packaging
ShippingGlobal shipping support
Bore Size39mm
Compatible EngineGY6 50cc (139QMB)
Kit IncludesCylinder, piston, rings, pin, clips, gaskets
MOQ10 pcs
Product Details
Clear Product Information for B2B Sourcing
39mm cylinder kit for GY6 50cc scooter engines. Fits 139QMB platform. Includes cylinder, piston, rings, pin, clips and gasket set. OEM replacement and rebuild use.
Quality TestedOEM SupportBulk OrderFast InquiryGlobal Shipping
Technical Information
Specifications, Packaging and Quality Control
| Bore Size | 39mm |
| Compatible Engine | GY6 50cc (139QMB) |
| Kit Includes | Cylinder, piston, rings, pin, clips, gaskets |
| MOQ | 10 pcs |
| Lead Time | 10-15 days |
| OEM Available | Yes |
| Warranty | 6 Months |
FAQ
Common Sourcing Questions
Is OEM or neutral packaging available?
Yes. Share your packaging, label and quantity requirements in the inquiry and our team will confirm the best option.
How do I confirm fitment?
Send the OEM number, engine model or product photos. We will help verify fitment against the specifications and application.
Can I request a quote or sample first?
Yes. Use Request Quote or Sample Request, then include the product and quantity details.
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