This toggle switch is designed to fit Cummins engines K19 and K38 with NT855 QSK. It is a reliable and durable electrical equipment that is suitable for business and industrial purposes. The switch is easy to install and operates smoothly, ensuring efficient performance. Made from high-quality materials, this toggle switch is built to last and withstand heavy-duty use. It is a great replacement part for your Cummins engine, restoring its functionality to optimal levels. The switch is compatible with a wide range of electrical equipment and supplies, making it a versatile component for your business needs.