Carb Air Seal Valve Qmb139
AGM GMX 550 50 4T 12-18

Carburettor Air Seal Valve Vergaser Qmb139 Carburetor air cut-off valve. Due to the air-cut valve, the air supply is slightly throttled when the gas is withdrawn in the carburettor, thereby overfilling the gasoline / air mixture and preventing it from being pushed back into the carburettor. All components are made of high quality precision material in OEM quality.


Ref:724.27.61