13321-RAA-A02 Main Bearing A - Overview. The 13321-RAA-A02 Main Bearing A is a critical OEM component within Honda marine engine systems. It supports the crankshaft by enabling smooth rotation and maintaining mechanical stability for reliable engine performance. Engineered to meet factory specifications, this bearing ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Main Bearing "A" supports the crankshaft in Honda marine engines.. Ensures smooth mechanical motion and durable engine operation.. Designed to match exact factory specifications, dimensions, and tolerances.. Integrates cleanly with existing hardware and seals for efficient function.. Helps maintain overall system performance and reliability in marine environments.. Manufactured with high-quality materials for longevity and durability.. Why Choose Genuine OEM. Using original Honda parts like the 13321-RAA-A02 Main Bearing A preserves the integrity of your mar