13322-Zvl-B11 Main (Upper) Brg B - Overview. The 13322-ZVL-B11 Main (Upper) Brg B is a critical component within Honda marine engine systems. This main bearing supports the rotating crankshaft, ensuring the engine operates smoothly and reliably by reducing friction and wear in the engine block. Engineered for seamless integration with existing parts, this bearing maintains optimal performance and durability under demanding marine conditions.. Key Features. OEM genuine Honda main upper bearing designed specifically for Honda marine engines.. Supports the crankshaft to enable smooth mechanical motion and reduce engine wear.. Manufactured to strict factory specifications, dimensions, and tolerances for precise fit.. Ensures seamless integration with factory hardware, seals, and housings.. Designed to maintain expected durability and reliable performance in marine environments.. Critical for preserving engine reliability by minimizing friction and wear on moving parts.. Why Choose Genuine