58134-ZW1-B21HR 4X13X21 SS HR(L) - Overview. The 58134-ZW1-B21HR 4X13X21 SS HR(L) is a genuine Honda marine stainless steel propeller designed to support the propulsion system of Honda marine engines. This 4-blade propeller with a 13-inch diameter and 21-inch pitch features a left-hand rotation (HR(L)) configuration, which helps optimize throttle response and acceleration for various marine applications. With stainless steel construction, it offers superior strength, corrosion resistance, and du