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United Express Distribution  |  SKU: SEAL-0002

Oil Seal Kit, 50cc GY6 50cc QMB139 Engine

Regular price $7.56


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

Will it fit your machine?

Not sure? Text or email a photo of your old part or your engine model number. We'll confirm it fits before you buy.

Delivery and Shipping

Ships from our Duluth, Georgia warehouse.

Most in-stock orders ship the same business day. UPS orders placed before 3:00 PM ET, USPS orders before 12:00 PM ET. After the cutoff, they go out the next business day.

Standard delivery runs 2 to 6 business days to most US addresses. US territories take 7 to 14. These are carrier estimates, not guarantees.

Free shipping on most parts, no minimum order. Oversized items (body kits, wheels, tires, batteries, and engines) are quoted to your address and shown at checkout before you pay.

We ship UPS and USPS, and email your tracking number as soon as the order leaves.

Questions? Call or text 404-532-9833. Full details on our Shipping page.

Description

The RedCap Engine Crankshaft Oil Seal Kit is a must-have for anyone looking to rebuild their 50cc GY6 scooter, moped, ATV, or go-kart engine. This high-quality kit includes all the essential seals required for a complete rebuild of the QMB139 motor, ensuring optimal engine performance. Made from premium materials, each seal is designed to endure high heat, friction, and the wear and tear of everyday riding. Whether you're repairing a Roketa, Tank, Baotian, Sunl, or any other compatible 50cc scooter or ATV, this oil seal kit is engineered for a perfect fit and long-lasting durability.

By replacing worn-out or damaged seals, the RedCap Oil Seal Kit helps restore the integrity of your engine’s components, improving overall performance, reducing oil leaks, and enhancing engine efficiency. Each seal in this kit is carefully crafted to meet or exceed OEM standards, ensuring precision and a reliable seal for your crankshaft and other critical engine areas. With sizes that perfectly fit the QMB139 engine, this kit is an ideal choice for DIY mechanics and scooter enthusiasts alike, providing a comprehensive and cost-effective solution for maintaining or restoring your scooter’s engine performance.
  • Engine Oil Seal Assembly: This comprehensive Engine Crankshaft Oil Seal Assembly is designed for 49cc and 50cc GY6 engines, Providing a perfect fit for a variety of scooters, mopeds, and ATVs. It is an essential replacement part for any engine rebuild, helping to restore your vehicle’s performance by effectively sealing critical engine components.
  • Wide Compatibility: Compatible with a wide range of 50cc models, including popular companies like Roketa, Tank Urban, Sporty 50, Baotian 50QT-9, Maui MC-08-50, and many more. Whether you're working on a Jonway Beta 50 or a Baja SC50, this oil seal kit is the ideal solution for providing your engine runs smoothly without oil leakage.
  • Complete Seal Kit: This oil seal kit includes everything needed for a full engine rebuild, providing that all crankcase seals are replaced. The set provides proper sealing to avoid oil leaks, which could otherwise impact engine performance. Restore your engine's reliability and keep it running at peak efficiency with this all-in-one seal kit.
  • High-Quality Material: Crafted from high-quality, durable rubber, these oil seals are designed to withstand the rigors of regular use while providing a long lifespan. Whether you’re riding your scooter daily or using it for off-road adventures, this kit provides superior sealing, keeping oil contained within the engine for optimal performance.
  • Easy Installation: Installing this seal kit is a breeze, designed for DIY enthusiasts and professional mechanics alike. It’s easy to replace old, worn seals and ensure that your scooter, moped, or ATV engine is sealed and ready for action. Reduce maintenance time and avoid oil leaks with this hassle-free replacement kit.
Specs:
  • 1 seal: 17 x 30 x 6
  • 1 seal: 19.6 x 30 x 5
  • 1 seal: 27 x 42 x 7
  • 1 seal: 16.4 x 30 x 5
Known to Fit:
  • 50cc GY6 50cc GY6 Chinese Scooter Rebuild Engine QMB139 Motor
NOTE: Please verify your owner’s manual for Manufacturer Specs on your application.

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