13214-ZY6-004 Conn Rod Bearing D - Overview. The 13214-ZY6-004 Conn Rod Bearing D is an essential part of Honda marine engine systems. This connecting rod bearing supports the internal engine mechanism by enabling the connecting rod to rotate smoothly on the crankshaft, which is critical for reliable engine operation. Designed to fit precisely within Honda's stringent factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key