Description
Includes: – Thermostat Assembly
Fits Models: – Yamaha Outboards
Model Years: – Check fitment before purchase
Submodels: – Applies to listed models
Engine Options: – 300hp, 350hp
Description: This Thermostat Assembly is designed for Yamaha Outboards, specifically for models producing 300hp and 350hp. It ensures optimal engine temperature regulation, preventing overheating and maintaining performance. This assembly is a direct replacement for the original part, ensuring a factory-spec fit and reliable operation.
Features: – Direct replacement for Yamaha Outboards – Compatible with 300hp and 350hp engines – Ensures optimal engine temperature regulation – Heavy-duty construction for durability – Bolt-on installation
Part Number: 6AW-12411-00-00, Sierra 18-3634









