13341-Raa-A02 Main Bearing A - Overview. The 13341-Raa-A02 Main Bearing A is a crucial component in Honda marine engine systems. It serves as a main bearing that supports the engine's crankshaft, ensuring smooth rotation and reliable mechanical motion. This bearing plays a vital role in maintaining engine integrity, reducing wear and tear on the crankshaft, and supporting the precise operation of the engine. Designed to match factory specifications, the 13341-Raa-A02 integrates seamlessly with e