This precision-engineered feed pump valve is designed specifically for 4HK1 engines, offering reliable performance and durability. The valve features robust stainless steel construction with precise threading and machining for optimal fluid control. Compatible with parts 8-98074955-0 and 8-98055289-0, this YUHUAN AIXIN component ensures consistent fuel delivery and pressure regulation. The hexagonal head design allows for easy installation and maintenance, while the threaded body provides secure mounting. Its industrial-grade construction makes it suitable for heavy-duty applications, helping maintain proper engine operation. The valve's internal passages are precisely calibrated to maintain proper flow characteristics, while its sturdy construction helps resist wear and fatigue. This replacement part matches OEM specifications for direct fitment and reliable performance. Perfect for maintenance professionals and fleet operators looking to maintain optimal engine performance.