In conclusion, there are four different sizes for auto A/C hose in the most common car air conditioning system. If the vehicle is a bus or coach, it will be a bigger A/C hose, like 7/8 inch and 1 1/8 inch. Make sure which part of A/C hose is broken, like hose from compressor to condenser, you can know the exactly hose size.

Power steering hose plays a crucial role in the functioning of a vehicle's power steering system. It is responsible for transporting power steering fluid from the power steering pump to the steering gear, allowing for easier and more responsive steering control. In order to ensure the smooth operation of the power steering system, it is important to use high-quality power steering hoses.