Carburetors are 1st identified by models as (4150). Each model has many part numbers for various engines & applications.

It is important to properly identify the carburetor using the LIST number as illustrated before purchasing parts.

Most carburetor parts, carburetor kits especially, are associated with the LIST number.

You can find the list number stamped into the outer edge of the air horn, or on the vertical face of the air horn.