15234-PC6-000 Washer (18mm) - Overview. The 15234-PC6-000 Washer (18mm) is a critical component designed specifically for Honda marine engine systems. This sealing washer supports the oil pump and strainer system, playing a vital role in maintaining reliable sealing and pressure distribution within the engine's mechanical assembly. By ensuring a secure and leak-free interface, it helps keep the marine engine operating efficiently and without interruption.. Key Features. Genuine OEM Honda part designed to meet precise factory specifications.. 18mm sealing washer primarily used in Honda marine engine oil systems.. Manufactured to exact dimensions and tolerances for perfect fit and function.. Helps distribute mechanical pressures and maintain tight seals within assemblies.. Integrates seamlessly with existing hardware to maintain optimal engine performance and durability.. Supports Honda's commitment to quality and long-lasting marine engine reliability.. Why Choose Genuine OEM. Using ori