17936-921-000 Pivot Washer - Overview. The 17936-921-000 Pivot Washer is a critical component in Honda marine engine systems, playing a vital role in supporting mechanical assemblies with precision. This washer is designed to facilitate the smooth pivoting of moving parts, ensuring reliable operation and longevity of the engine's pivot mechanism. It fits securely within the assembly to maintain alignment and reduce wear, ultimately helping your equipment operate efficiently and dependably.. Key