Pump diaphragm for the Weber TLA series carburetors.
This diaphragm has a cam with, brass, spring-loaded tip.
The total height of the cam + tip is 12.5 mm, measured from the face of the disc.
The diameter of that disc is 22 mm.
Please compare this diaphragm visually and carefully with your old diaphragm as over the course of the years, various different versions were used which are not necessarily interchangeable.
Required quantity per carburettor: 1
This is item number 11 in the drawing.
Weber Part Number: 47407.249