The Yamaha 26H-15421-04-00 Crankcase Cover is an engine enclosure component used to seal and protect the crankcase within Yamaha engine systems. Constructed from cast metal and designed for bolt-on installation, it helps contain lubrication and prevent contamination under demanding operating conditions. This OEM-fit housing is intended for motorcycles, scooters, and other engine-powered equipment requiring sealed protection of internal crankcase components. Common replacements include Yamaha 26H-15421-00-00, 2H7-15421-00-00, and 3Y1-15421-04-00.
