Brake Fittings Available here. It’s great knowing that your car can start, get on the road and take you where you need to go. But more importantly, it’s great knowing that it will stop when you need it to. For your braking system to work effortlessly, you need the best brake fittings. Good brake fittings make sure the brake lines in your car can carry brake fluid from the master cylinder to other parts of the system, but if your fittings fail, fluid can leak and your whole braking system could shut down and need extensive repairs. To keep your brake system working effectively, use the best brake fittings for the make and model of your car.