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Gear Box

Stock parts for 49cc/50cc 4-stroke QMB139 engines. This engine is the most popular 50cc 4-stroke engine used in Chinese scooters.
Product Image Item Name- Price
6004-2RS Bearing
6004-2RS Bearing...

Gearbox Bearing size # 6004-2RS for 50c...
$7.49
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6303x3-3/C3 Bearing
6303x3-3/C3 Bearing...

6303x3-3/C3 Bearing •Inner Diameter: ...
$7.49
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Final Drive Gear
Final Drive Gear...

Final Drive Gear for 50cc 4-stroke QMB1...
$19.99
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Final Drive Shaft
Final Drive Shaft...

Final Drive Shaft for 50cc 4-stroke QMB...
$21.99
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Gearbox Dowel Pin
Gearbox Dowel Pin...

Gearbox Dowel Pin for 50cc 4-stroke QMB...
$0.99
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Gearbox Gasket
Gearbox Gasket...

Gearbox Gasket for 50cc 4-stroke QMB139...
$4.99
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Gearbox O-ring
Gearbox O-ring...

Gearbox O-ring for 50cc 4-stroke QMB139...
$0.99
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Outer Shaft Oil Seal
Outer Shaft Oil Seal...

Outer Shaft Oil Seal for 50cc 4-stroke ...
$2.49
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Rear Drive Shaft O-ring
Rear Drive Shaft O-ring...

Rear Drive Shaft O-ring size 5.6X1.5 fo...
$0.99
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Rear Drive Shaft Type-1
Rear Drive Shaft Type-1...

Rear Drive Shaft, Type-1 Long Version f...
$26.99
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Rear Drive Shaft Type-3
Rear Drive Shaft Type-3...

Rear Drive Shaft Assembly, Short Versio...
$29.99
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New Products For October - FULL-SIZE SCOOTERS PARTS

6004-2RS Bearing
6004-2RS Bearing

Gearbox Bearing size # 6004-2RS for 50c...

$7.49
More
Gearbox Gasket
Gearbox Gasket

Gearbox Gasket for 50cc 4-stroke QMB139...

$4.99
More
Final Drive Shaft
Final Drive Shaft

Final Drive Shaft for 50cc 4-stroke QMB...

$21.99
More
Final Drive Gear
Final Drive Gear

Final Drive Gear for 50cc 4-stroke QMB1...

$19.99
More
Rear Drive Shaft Type-1
Rear Drive Shaft Type-1

Rear Drive Shaft, Type-1 Long Version f...

$26.99
More
Rear Drive Shaft Type-3
Rear Drive Shaft Type-3

Rear Drive Shaft Assembly, Short Versio...

$29.99
More

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