Pump Non-Return Valve for Dellorto DHLA carburetors.
Non return valve (one way) for the pump mechanism.
This valve uses O-Ring Number 7540 to seal in the pump body casting. For your convenience, you can order a new o-ring right along with the valve by simply selecting it through the drop box above.
Required quantity per carburettor: 1
This is item number 80 in the drawing.
This is Dellorto Part Number: 7542