Choke Pull-Out Diaphragm for Weber DGAS and DGMS series carburetors.
Carefully compare the design of the shaft with your version as not all versions are produced anymore.
This particular version also serves as a replacement for 47407.056 which is no longer available.
Required quantity per carburettor: 1
This is item number 54 in the drawing.
Weber Part number: 47407.093