This Genuine Electronic Control Module (ECM) is specifically designed for Cummins engines. It comes with a manufacturer warranty of 1 year and has a fitment type of direct replacement. The part number for this ECM is 3937299 and the interchange part number is P3937299. It is a high-quality product that ensures the proper functioning of your engine. The ECM is an essential component of your vehicle that controls various functions such as fuel injection, ignition timing, and emission control. This module has been manufactured to meet the original equipment specifications and is a perfect replacement for your faulty ECM. Get this reliable and durable ECM today and ensure the smooth running of your Cummins engine.