60℃ 140°F Thermostat 17670-90J21 1767090J20 for Suzuki 4 Stroke Outboard

Thermostat for Suzuki

This 60℃ 140°F thermostat, referencing OEM cross-reference numbers 17670-90J21 and 1767090J20, regulates engine coolant flow for optimal operating temperature in compatible Suzuki 4-stroke outboards.

Overview

This 60℃ 140°F thermostat is a replacement cooling component for Suzuki 4-stroke outboard engines, ensuring the engine reaches and maintains proper operating temperature. It opens at 140 degrees Fahrenheit to allow coolant circulation, preventing overheating and promoting efficient combustion. This thermostat is made for Suzuki outboards using OEM cross-reference numbers 17670-90J21 and 1767090J20.

Built For Performance

• Precisely calibrated opening temperature of 60°C (140°F) for optimal engine thermal management
• Constructed from corrosion-resistant materials for marine environments
• Direct replacement fitment for specified Suzuki outboard models
• Ensures fast warm-up and stable temperature control for better fuel economy
• Tested for reliable operation under varying load conditions

Fits These Machines

• for Suzuki 4-stroke outboard models using part number 17670-90J21
• for Suzuki 4-stroke outboard models using part number 1767090J20

On-The-Job Use

• Maintains engine temperature during trolling, cruising, and high-speed runs
• Reduces engine wear by avoiding cold running and condensation buildup
• Helps maintain optimal performance in saltwater or freshwater conditions

Specs At A Glance

Good To Know

Q: Is this thermostat an original Suzuki part? A: No, this is an aftermarket replacement thermostat designed to meet OEM specifications for Suzuki outboards, referencing part numbers 17670-90J21 and 1767090J20.

Q: How do I know if my outboard needs a new thermostat? A: If the engine runs cold or overheats, or if the temperature gauge fluctuates, the thermostat may be stuck open or closed. Replacing it with this 60°C thermostat restores proper cooling flow.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.