Sierra 18-99025 Upper Housing Gasket for Yamaha Outboard 688-45114 Replacement

The Sierra 18-99025 Upper Housing Gasket is designed to replace the upper casing gasket on Yamaha outboard engines. It helps create a secure seal at the powerhead base, preventing leaks and ensuring reliable engine performance.

This gasket is a direct replacement for several Yamaha OEM part numbers and is also compatible with Mallory 9-60361. It is a practical solution for boat owners and marine technicians looking to maintain or repair their Yamaha outboard motors.

• Direct replacement for Yamaha OEM parts: 688-45114-00-00, 688-45114-01-00, 688-45114-A1-00
• Compatible with Mallory 9-60361
• Seals the upper housing/powerhead base to prevent water and oil leaks
• Engineered for a precise fit in Yamaha outboard engines
• Ideal for routine maintenance or engine repair
• Manufactured by Sierra, a trusted name in marine replacement parts

Choose the Sierra 18-99025 Upper Housing Gasket for a reliable, cost-effective solution to keep your Yamaha outboard running smoothly.