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Universal Parts 139QMB Transmission Bearing & Seal Kit — current source view 1 [P056-49049497731352]

Universal Parts 139QMB Transmission Bearing & Seal Kit

$25.00
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Universal Parts 139QMB Transmission Bearing & Seal Kit — current source view 1 [P056-49049497731352]
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Universal Parts 139QMB Transmission Bearing & Seal Kit

$25.00
Part number 151-285

Check dimensions and compatibility before ordering.

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This Universal Parts transmission bearing and seal kit brings the replacement bearings, oil seals and gearbox gasket together for your compatible 49cc/50cc 139QMB transmission rebuild. Refresh worn gearbox components and restore smooth, reliable power delivery without hunting down each part separately.

Features

  • Convenient rebuild kit: Six bearings, two oil seals and one gearbox gasket.
  • 139QMB application: For compatible 49cc/50cc scooter gearboxes, also referred to as QMB139.
  • Matched service components: Includes the bearing references and seal sizes below.
  • Gearbox sealing: Replacement oil seals and cover gasket support a thorough gearbox service.

Specifications

  • Brand: Universal Parts.
  • Part number: 151-285.
  • Part type: Transmission bearing and seal kit.
  • Engine application: 139QMB / QMB139, 49cc/50cc.
  • Country of origin: Taiwan.

Kit Contents

Component Reference / size Quantity
Bearing 6303 1
Bearing 6203 1
Bearing 6004 RS 1
Bearing 6201 3
Oil seal 17 × 30 × 6mm 1
Oil seal 27 × 42 × 7mm 1
Gearbox gasket Matching gearbox cover 1

 

Model Fitment

Fits compatible 49cc/50cc 139QMB / QMB139 engines and other models using the matching QMB139-style transmission. Compare bearing references, seal dimensions and the gearbox gasket profile with your original components before installation.

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