139QMB 50cc transmission bearing and seal kit with gearbox gasket for scooter rebuild 139QMB 50cc transmission bearing and seal kit with gearbox gasket for scooter rebuild
QMB139 gearbox gasket for 50cc scooter transmission rebuild QMB139 gearbox gasket for 50cc scooter transmission rebuild
139QMB 50cc transmission bearing and seal kit with gearbox gasket for scooter rebuild
QMB139 gearbox gasket for 50cc scooter transmission rebuild

Universal Parts

Universal Parts 139QMB Transmission Bearing & Seal Kit

SKU 151-285
$25.00
Shipping calculated at checkout.
Description

Restore smooth, reliable power delivery with this complete transmission bearing and seal kit for 50cc QMB139 engines. This all-in-one kit includes every bearing, seal, and gasket needed for a full gearbox rebuild — no hunting for individual components.

Kit Contents

  • 6303 Bearing × 1
  • 6203 Bearing × 1
  • 6004 RS Bearing × 1
  • 6201 Bearings × 3
  • 17×30×6 Oil Seal × 1
  • 27×42×7 Oil Seal × 1
  • Gear Box Gasket × 1

Compatibility

  • QMB139 50cc / 49cc engines
  • Various unlisted makes and models with QMB139-style transmissions

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Product Diagrams
Features
  • Complete rebuild kit — bearings, seals, and gasket included
  • Fits QMB139 50cc/49cc engines
  • 6303, 6203, 6004 RS, and 6201 bearings included
  • Two oil seals: 17x30x6 and 27x42x7
  • Gearbox gasket included
Specifications

Engine Compatibility: QMB139 50cc/49cc | Bearings: 6303 x1, 6203 x1, 6004 RS x1, 6201 x3 | Seals: 17x30x6 x1, 27x42x7 x1 | Gasket: Gear Box x1
Model Fitments

QMB139 50cc/49cc engines; various unlisted makes and models with QMB139-style transmissions
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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