0330SB2187 is an electric power steering (EPS) pressure sensor made by Bosch. It is a pressure transducer used in motor vehicles to detect the pressure in the power steering system, which assists in steering the vehicle. The sensor is capable of measuring pressure up to 25 bar and generates an analog output signal that is proportional to the applied pressure. The pressure sensor is typically installed on the power steering pump and is used to monitor changes in the pressure or flow of the system for proper operation.