This wiring harness is designed for use with Cummins Engine M11 QSM ISM and is a perfect fit for your vehicle. The harness is made from high-quality materials, ensuring durability and long-lasting performance. It is ideal for those who are looking to upgrade their vehicle's wiring system. The harness is compatible with a range of different vehicles and is perfect for those who are looking for a reliable and efficient wiring solution. It is easy to install and comes with all of the necessary components, making it easy to get started. With this wiring harness, you can be sure that your vehicle will be running smoothly and reliably for years to come.