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

Thermostat for Suzuki 4 Stroke Outboard

This 60℃ 140°F thermostat is a replacement component for Suzuki 4-stroke outboard engines, managing engine temperature by opening at the set point to regulate coolant flow. It references OEM part numbers 17670-90J21 and 17670-90J20, ensuring a proper match for many Suzuki outboard models. Designed to maintain efficient operation, this thermostat supports engine longevity and consistent performance.

Overview

This thermostat controls the cooling system in your Suzuki 4-stroke outboard, opening at 60℃ (140°F) to let coolant circulate and maintain ideal engine heat. It is built for Suzuki marine engines, providing reliable temperature regulation to prevent overheating or excessive cooling. As a direct replacement part, this 60℃ 140°F thermostat restores your engine's thermal management without modifications.

Built For Performance

• Precise 140°F opening temperature for controlled engine heat
• High-grade construction resists saltwater corrosion and wear
• OEM-equivalent fitment for easy installation
• Thermostatic element responds quickly to temperature changes
• Helps reduce fuel consumption by reaching optimal operating temperature faster
• Compatible with multiple Suzuki 4-stroke outboard series

Fits These Machines

• for Suzuki 4 Stroke Outboard (various models using part numbers 17670-90J20 and 17670-90J21)

On-The-Job Use

• Used during outboard engine servicing to replace a faulty or stuck thermostat
• Ensures consistent engine temperature for recreational boating and commercial use
• Addresses issues like engine overheating or failure to reach normal operating temperature
• Ideal for preventive maintenance on older Suzuki outboards showing temperature fluctuations

Specs At A Glance

Good To Know

Q: What causes a thermostat to fail on an outboard? A: Common causes include corrosion, mineral deposit buildup, or a stuck wax element over time. Replacing it with a new thermostat restores proper cooling and prevents engine damage.

Q: Will this part work on my specific Suzuki model? A: This thermostat is designed for a range of Suzuki 4-stroke outboards, but fit can vary by model and serial number. Confirm your engine's part number compatibility before installation.

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