The 6PC Fuel Injector 0445120231 5263262 is a premium OEM quality product designed for Komatsu PC200-8 with Cummins QSB6.7 and QSB5.9 engines. It is interchangeably labeled as 0445120059, 0986435597, 6754-11-3011, and 5263262NX 5263262PX 0 445 120 231. This fuel injector set is specifically made for diesel fuel type and is compatible with Hyundai Komatsu QSB 4.5 5.9 6.7 engines. With its high-quality construction and precise engineering, this product ensures optimal performance and efficiency for your vehicle.