The product is a brand new old stock (NOS) 1959 Ford carburetor accelerator pump diaphragm with the part number B9AZ-9B559-A. It is designed specifically for Ford vehicles from the year 1959 and is a crucial component for the air and fuel delivery system. This diaphragm is essential for the proper functioning of the accelerator pump, ensuring smooth and reliable engine performance. THE RUBBER HAS ROLLED UP OVER TIME BUT IT SHOULD LAY DOWN FLAT WHEN INSTALLED. THERE ARE NO CREASES IN IT AND IT IS STILL PLYABLE AND SOFT.
