This power steering pump hose is suitable for 2002-2006 2.4L L4 engine . Part numbers 53713-S9A-A03 and 53713S9AA03 are steering system transmission components. It assists in delivering power steering fluid, ensuring normal steering system operation. Designed to meet the steering requirements of the corresponding 2.4L L4 engine, it provides transmission support for stable operation of the corresponding steering system.