94303-05080 Pin Dowel (5X8) - Overview. The 94303-05080 Pin Dowel (5X8) is a crucial alignment pin used within Honda marine engine systems. This precision dowel pin, measuring 5mm in diameter and 8mm in length, serves to locate and align components securely and accurately for optimal engine performance. Manufactured to match factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision 5x8 mm dowel pin design