Multiquip's M1310501503 Lower Radiator Hose is a dedicated replacement part for the DCA45SSIU4 generator (engine 4JJ1T). It serves as the lower hose in the cooling system, enabling coolant flow between the engine and radiator. The part number M1310501503 identifies this hose as the MQ-compatible component for the DCA45SSIU4 model.
