This is a high-quality diaphragm manufactured by FEBI BILSTEIN, part number 06677. It is designed to be a direct fit for specific carburetor applications, ensuring reliable operation. The diaphragm plays a crucial role in the fuel delivery system of carbureted engines. It helps regulate the flow of fuel into the carburetor, working in conjunction with other components to create the correct air-fuel ratio for combustion. Proper functioning of the carburetor diaphragm is essential for smooth engine idling, acceleration, and overall fuel efficiency. A worn or damaged diaphragm can lead to issues such as rough idling, stalling, poor acceleration, and increased fuel consumption. FEBI BILSTEIN is known for producing dependable automotive parts, and this diaphragm is built to meet stringent quality standards. Replacing a faulty diaphragm with this part can restore optimal carburetor performance and ensure your engine runs as intended.