Outboard Thermostat Gasket For Yamaha 2 Stroke Motors 75 80 85 90 100 115 130 140 150 175 200 220 225 HP DIY Friendly Easy Install Replacement 688-12414 A0 A1 688-12414-00 Sierra 18-0844 Mallory 9-60003

Outboard Thermostat Gasket for 2-Stroke Engines 75-225 HP
✔️ Single gasket fits 2-stroke 75-225 HP outboards; replaces 688-12414

This thermostat housing gasket is a direct replacement seal for outboard engines, designed for 2-stroke models across a broad horsepower range. It's commonly used in boat maintenance and DIY installations to stop coolant leaks and maintain proper engine temperature.

✅ Replaces 688-12414-00, 688-12414-A0, 688-12414-A1, Mallory 9-60003, Sierra 18-0844
✅ One-piece gasket, ready for DIY installation
✅ Fits 2-stroke outboard engines 75-225 HP
✅ Includes 1 gasket per package
✅ Seals thermostat housing to prevent coolant leaks and maintain proper temperature

💡 What is a thermostat housing gasket used for in outboard engines and why replace it?

A handy seal that keeps coolant from leaking and helps maintain proper temperature. For handy, DIY maintenance, consider these points: - Seals coolant passages between thermostat housing and engine - Prevents leaks that can cause overheating or corrosion - Ideal for 2-stroke outboard maintenance and repairs