19.8 X 30 X 5 Oil Seal 50cc QMB139


5 in stock


Oil Seal for 50cc 4-Stroke QMB139 Engines

Ensure optimal engine performance and prevent oil leaks with our high-quality Oil Seal, designed for 50cc 4-stroke QMB139 engines. This oil seal features precise dimensions and durable construction to provide a reliable barrier against oil leakage, maintaining the integrity of your engine.

Key Features:

  • Precision Fit: Engineered to fit 50cc 4-stroke QMB139 engines precisely, our oil seal offers a snug fit and effective sealing performance.
  • Durable Construction: Crafted from high-quality materials, this oil seal is built to withstand the demands of engine operation, ensuring long-lasting durability and reliability.
  • Oil Leak Prevention: The oil seal effectively seals the engine components, preventing oil leaks and ensuring proper lubrication of internal parts.


  • Outer Diameter: 30mm
  • Inner Diameter: 19.8mm
  • Thickness: 5mm


  • Engine Type: 50cc 4-stroke QMB139 engines
  • Also Fits: Various unlisted makes/models with QMB139 50cc/49cc engines

Additional information

Weight .2 lbs
Dimensions 2 × 2 × 2 in


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