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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 March - Engine Parts

6004-2RS Bearing

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

$7.49
Gearbox Gasket

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

$4.99
Final Drive Shaft

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

$21.99
Final Drive Gear

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

$19.99
Rear Drive Shaft Type-1

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

$26.99
Rear Drive Shaft Type-3

Rear Drive Shaft Assembly, Short Versio...

$29.99

Monthly Specials For March

Air Filter Assembly

Complete Air Filter Assembly for 50cc 4...

$34.99 $24.99Save: 29% off