Raufoss Air Brake Fittings Analog

A: Inspect the fitting and airline for damage. If the fitting or line is damaged, replace them immediately to restore a secure connection.

A: No, using non-D.O.T. approved fittings is illegal and unsafe, as they may not meet the necessary standards for performance and safety.

A: Brake Line Thread Identification Guide: Sizes, Charts, and Tips
3/16" (4.75mm): This is the most common size used in most passenger vehicles. It is often referred to as the "universal size" for brake lines. 1/4" (6mm): Typically found in trucks and larger vehicles, this size can handle higher pressure and is used in applications where the braking system requires more robust lines.

A: Almost every car or truck worldwide utilizes a 3/16-inch brake line, also referred to as a CNF-3. The other most common brake line is the ¼ inch. This size was routinely used in the 1950s, so if your truck or car was manufactured in that era, you would need the ¼ inch.

A: There are 5 main fittings out there used for automotive projects: tube nuts, unions, bleeder screws, compression fittings, and adapters. Each is used for a different purpose in the vehicle. For example, bleeder screws are exclusively used on calipers, while compression fittings are used for lower-pressure lines.

A: To visually inspect and differentiate brake fittings: Check the Flare Type: Examine the end of the fitting to determine the flare type. Double flare fittings will have a two-stage flare, while bubble flare fittings will have a rounded, single-stage flare.

A: Look at the master cylinder where the lines are near each other to see if there are two sizes of tubing. You can also use a 1/4" open end wrench to gauge your lines. It will fit easily onto 1/4" line and will bang back and forth on 3/16" line.

A: Plain and simple. They're often called “caliper bracket bolts” because they attach to the part of your caliper called the bracket, and hold it tight to the spindle or steering knuckle.