90412-GC4-600 Washer (14.2X30.5) - Overview. The 90412-GC4-600 Washer (14.2X30.5) is a precise OEM component engineered for Honda marine engine systems. This washer supports the crankcase system and plays a vital role in securing and sealing components to maintain reliable engine function. Its design ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Exact OEM washer designed to meet factory specifications for dimensions (14.2x30.5 mm) and tolerances.. Critical for proper seating and sealing in the crankcase assembly, preventing leaks and mechanical wear.. Manufactured to OEM quality standards for reliable marine engine performance.. Compatible with various Honda marine engines including CR80 and CR85 series.. Designed to integrate cleanly with existing hardware and seals for effortless replacement.. Enhances system longevity by preserving exact fit and mechanical stability under marine conditions.. Why Choose Genuine OEM. U