Suzuki Bolt, Stud - 01421-0850A. OEM Threaded Stud for Precision Fastening in Marine Applications. The Suzuki - Bolt, Stud - 01421-0850A is a genuine OEM replacement part designed for consistent, load-bearing performance in Suzuki outboard engines. This threaded stud ensures a secure fit for engine components that require stable mounting, especially in high-vibration environments. Crafted with marine-grade durability, it provides the reliability and corrosion resistance essential for extended us