The Allied Gomco 01-90-2547 is a rugged replacement base assembly designed for the 300 series diaphragm suction pumps. This heavy-duty cast metal housing provides the structural foundation for the motor and pump head components. It is engineered to minimize vibration and ensure stable operation during clinical suctioning procedures. This OEM part is essential for repairing units with cracked or damaged housings, maintaining the mechanical alignment of the internal pump drive system.