1P39QMB 50cc GY6 Engine | GY6 4-Stroke 49cc 1P39QMB Motor
1P39QMB 50cc GY6 Engine | GY6 4-Stroke 49cc 1P39QMB Motor
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GUARANTEED Manufacturer OEM Parts
Description
The 1P39QMB 50cc GY6 Engine is a factory-spec OEM long-case 49cc/50cc 4-stroke automatic scooter motor designed as a direct replacement for compatible Icebear Maddog models. This complete long-case GY6 engine aligns with the factory engine mounts and CVT drivetrain on supported PMZ50 and PST50 scooters for straightforward replacement.
LONG CASE ENGINE

Compatibility
- Compatible with Icebear Maddog 50cc scooters. Also compatible with the Maddog Generation I 50cc, Generation 4 50cc, Generation 5 50cc, PMZ50-20, PMZ50-21, PMZ50-22, PMZ50-19, PMZ50-M1, PMZ50-M5, PMZ50-4J, PMZ50-17, PST50-19N, PST50-1Z, PST50-2, PST50-17
- UPS Express: 3-7 Business Day Delivery
- Package Includes: 1x 1P39QMB 50cc GY6 Engine
- Engine Number: 200703298
- Model Number: 1P39QMB
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Email: Sales@vaderparts.com
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Manufacturer Part Number: PMZ50-19-A-001 / PMZ50-21-E-001 / PMZ50-22-B-1
At Vader Parts, we are committed to providing only genuine OEM-manufactured parts, guaranteeing quality and compatibility for your motorcycle! We are continuously expanding our website, and while we strive to list all available parts online, we still have many items in stock that may not yet be listed.
Please email us with the details on the parts, and we will get back to you with pricing and availability!
Shipping & Returns
Shipping & Returns
Click HERE for more details on returns/exchanges
Contact Us
Contact Us
Got questions? Email us at Sales@Vaderparts.com
Contact Us
Need help finding the right part or have a question about your order? Contact the appropriate team below so we can assist you.
Sales & Parts Inquiries
sales@vaderparts.com
For questions about parts availability, pricing, bulk orders, or international shipping quotes.
If you’re looking for a specific part, include your bike’s brand, model, and engine size, along with any available part numbers or clear photos.
Customer Support
support@vaderparts.com
For help with an existing order, tracking information, returns, or an item you received.
Please include your order number and a brief description of your request. For damaged or incorrect items, attach clear photos of the part and packaging.
Looking for a quick answer?
Visit our FAQ page for information about shipping, payments, returns, and finding the right parts.

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Free Shipping
All parts inIclude free delivery to your doorstep at home! Shipping times range between 3-6 business days.
Free delivery is exluded from the following states: Hawaii, Puerto Rico, and Alaska.
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