Introducing our top-quality repair kit for injector 4307475 and 4307072, featuring the exceptional Genuine 4984802 valve seat & valve ball. As a trusted factory, we prioritize crafting products that meet the highest industry standards. This repair kit ensures optimal performance and longevity of your injector, enabling smooth and efficient operation. Our dedication to quality ensures that each component is manufactured using premium materials, resulting in reliability and durability. Choose our repair kit and experience superior performance and extended injector lifespan. Partner with us today and discover the difference of our factory-made products!