This wiring harness is designed to fit Cummins engines K19, K38, K50, QSK, and NT855. It is a black wire harness with OE/OEM part number 3067880 and manufacturer part number 3067880. The harness is perfect for those looking to upgrade their wiring system and is compatible with a variety of car and truck parts and accessories. Whether you're a professional mechanic or a DIY enthusiast, this wire harness is a great choice for your wiring needs.