51601-ZW4-H02 Shock Absorber Assembly - Overview. The 51601-ZW4-H02 Shock Absorber Assembly is a critical component within Honda marine engine systems, designed to absorb shocks and vibrations effectively, ensuring the smooth functioning and durability of your equipment. It supports the suspension system of marine engines by mitigating forces and reducing wear, thus maintaining the reliability and performance of the connected machinery. Precision engineered to match factory specifications, this