Shopping from Canada? 
Go to Defender Canada!
Description
The Sierra Yamaha Thermostat Kit 18-3611 is a reliable replacement designed to maintain optimal engine temperature and performance. With a 140°F (60°C) rating, it helps prevent overheating and ensures smooth operation. Compatible with a wide range of Yamaha outboards from the late '90s to mid-2000s, it's an essential part for dependable marine cooling system maintenance.
Sierra Yamaha Thermostat Kit - 18-3611 Item # 1780945
Description
Specifications:
- Temperature Rating: 140°F / 60°C
Fits:
- 15 (2006)
- F15 (1998-06)
- F25 (1999-06)
- F30 (2001-06)
- F40 (1999-06)
- F50 (1996-06)
- F60 (2002-06)
- F9.9 (2005-06)
- T25 (2001-06)
- T50 (1996-06)
- T60 (2003-06)
- T9.9 (2005-06)