Suzuki DF40-DF70 Thermostat (50°C) 17670-93964

The Suzuki Thermostat 17670-93964 is a genuine Suzuki OEM 50°C (122°F) water thermostat designed for select Suzuki outboards. It regulates cooling-water flow through the engine, helping maintain proper operating temperature and reliable cooling system performance.

This thermostat is used on select DF40-DF70 four-stroke and DT-series two-stroke outboards. Replacing a worn or sticking thermostat during cooling system service helps support proper temperature control and efficient engine operation.

Compatible with the following:

• Suzuki DF40 (Select Models)
• Suzuki DF50 (Select Models)
• Suzuki DF60 (Select Models)
• Suzuki DF70 (Select Models)
• Suzuki DT9.9 (Select Models)
• Suzuki DT15 (Select Models)
• Suzuki DT25 (Select Models)
• Suzuki DT55 (Select Models)
• Suzuki DT65 (Select Models)

Exact fitment can vary by engine model, model year, and serial number, so compatibility should be confirmed before ordering.

To Confirm Compatibility: Contact our team with your engine model and serial number before ordering. Call 727-596-5929 for assistance.