What Size Is Brake Pipe?

What Size Is Brake Pipe? The two most common brake lines found are 3/16″/4.75mm and 1/4″. The smaller size is 3/16″/4.75mm brake line, CNF-3; and the larger size is 1/4″, CNF-4. 3/16″ is found on virtually all cars and trucks made in the world. How do I know my brake line fitting size? First, use … Continue reading What Size Is Brake Pipe?