Skip to content

oil pump assembly for 16 tooth crankshaft for GY6 50cc 139QMB/QMA

SKU BT10007
Original price $15.39 - Original price $15.39
Original price
$15.39 - $15.39
Current price $15.39
139QMB/QMA engines currently have 2 crank variations factory-fitted. The differences are solely in the oil pump drive gear. The crank can be kitted with either 16 or 22 teeth. This also means two different oil pumps are used. The item pictured is the 16 tooth version.