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Engine Parts

Stock parts for 49cc/50cc 4-stroke QMB139 engines. This engine is the most popular 50cc 4-stroke engine used in Chinese scooters.

New Products For January - Engine Parts

Fan Cover Gasket

Fan Cover Gasket for 50cc 4-stroke QMB1...

$3.49
Gearbox O-ring

Gearbox O-ring for 50cc 4-stroke QMB139...

$0.99
Gearbox Dowel Pin

Gearbox Dowel Pin for 50cc 4-stroke QMB...

$0.99
Outer Shaft Oil Seal

Outer Shaft Oil Seal for 50cc 4-stroke ...

$2.49
6004-2RS Bearing

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

$7.49
Gearbox Gasket

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

$4.99

Monthly Specials For January

Standard CVT Belt 669-18-30

Stock CVT Drive Belt size 669-18-30 for...

$14.99 $12.00Save: 20% off
Air Filter Assembly

Complete Air Filter Assembly for 50cc 4...

$34.99 $24.99Save: 29% off