The Sierra International 18-1357 Pinion Needle Bearing is a high-quality replacement part designed to enhance the performance of your marine engine. Crafted with precision, this needle bearing ensures optimal support and reduced friction, allowing for smoother operation. Its durable construction withstands harsh marine environments, ensuring longevity and reliability. This bearing is compatible with various models, making it a versatile choice for boat enthusiasts. Upgrade your engine's efficiency with the Sierra International 18-1357, and enjoy a seamless boating experience!