This wiring harness is designed to fit Cummins engines with precision and accuracy. It is a genuine OE/OEM part number and is manufactured to the highest standards, ensuring that it will function flawlessly for an extended period of time. The harness comes with one wire and is compatible with various Cummins engines, including the K19, K38, K50, QSK, NT14, and NT855 models. This wire harness is a crucial component for your vehicle's wiring system, and it is perfect for anyone looking to upgrade or replace their existing wiring harness. With its high-quality construction and reliable performance, this wiring harness is an excellent choice for anyone who wants to ensure that their Cummins engine is running at its best.