The Model B was a Ford automobile with production starting with model year

Model year

The model year of a product is a number used worldwide, but with a high level of prominence in North America, to describe approximately when a product was produced, and indicates the coinciding base specification of that product....

 1932 and ending with 1934. It was a much updated version of the Model A and was replaced by the 1935 Ford Model 48

Ford Model 48

The Model 48 was an update on Ford's V8-powered Model 40A, the company's main product. Introduced in 1935, the Model 48 was given a cosmetic refresh annually, begetting the 1937 Ford before being thoroughly redesigned for 1941...

. Strictly speaking, the Model B was a four-cylinder car with an improved version of the engine used in the Model A, but Ford also began producing a very similar car with Ford's new flathead V‑8 engine.