Profile: Dayco Products, LLC manufactures rubber sealing ring for glass jars used in home canning. Our automotive & light truck product includes belts, coolant hose, tensioners, hoses, pulleys and installation tools. Our Dayco's heater hose merchandiser stand feature heavy duty steel racks that holds 6 spools of Dayco hose and tubing & 3 cartons of Dayco heater hose.