GY6 50cc Full Set of Oil Seal
- Brand: Mortch Motor
- Product Code: MIGY50-4054
- Product Viewed: 137
- Availability: In Stock
- Weight: 0.06kg
- Packing Size: 10.00 x 9.00 x 1.00cm
US$1.17 2137 SOLD
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Complete Seal Set includes most of the engine and chassis joint shaft sealing rings in OEM quality, specifically designed for GY6 50cc engines (139QMB, 139QMA). Perfect for engine rebuilding and preventing oil leaks.
| 🔧 Seal Set Contents | |
|---|---|
| Quantity: | 4 Seals |
| Engine Compatibility: | GY6 50cc 4-Stroke (139QMB, 139QMA) |
| 📏 Seal Dimensions | |||
|---|---|---|---|
| Seal #1 | Seal #2 | Seal #3 | Seal #4 |
| 16.4mm x 30mm x 5mm | 17mm x 30mm x 5mm | 19.8mm x 30mm x 5mm | 27mm x 42mm x 7mm |
🔧 Typical Applications for GY6 50cc:
- 16.4x30x5: Kick start shaft seal
- 17x30x5: Input shaft / Drive shaft seal
- 19.8x30x5: Output shaft / Final drive seal
- 27x42x7: Crankshaft seal (flywheel/magneto side)
GY6 50cc 139QMB 139QMA Seal Kit Oil Seals Gasket Set Engine Rebuild
⚠️ Installation Note: This seal set is made to OEM quality specifications for GY6 50cc engines. Always clean the sealing surface thoroughly before installation and lubricate the seal lip with oil to prevent damage during installation. Proper installation prevents oil leaks and ensures long service life.
🔧 Compatibility Notice
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
📄 Product Disclaimer
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
💰 Import Duties & Taxes
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.
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Order Confirmation: By completing your purchase, you acknowledge that you have read, understood, and agreed to all terms above. For any questions, please contact our support team prior to ordering.



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