This genuine fuel filter core subassembly JX400-1105350 is authentic Yuchai engine spare parts, manufactured as a dedicated diesel pre-filter for Yuchai engines and Dongfeng truck spare parts. The transparent sediment cup allows operators to observe water and dirt accumulation easily for regular draining. High-strength filter paper captures coarse contaminants and isolates moisture upfront, easing the working pressure of the fine fuel filter. The integrated spin-on structure enables quick installation and replacement during routine truck maintenance, delivering stable pre-filtration performance for commercial vehicle fuel systems.