The ECM Engine Wiring Harness is specifically designed for a 2001 24 Valve Dodge Ram Cummins Diesel with a 5.9L 6 Speed transmission. Manufactured by Cummins, the brand known for quality engine parts, this wiring harness includes the necessary connections for the ECM, ECU, and automatic transmission. With an OE/OEM Part Number of 3947201, this product is made in the United States, ensuring high-quality and compatibility with the specified vehicle model. Ideal for those looking to replace or upgrade their engine wiring harness, this product offers a reliable solution for maintaining the performance of their diesel engine.