Description
Suzuki 17670-91J02 122°F / 50°C Thermostat for DF2.5-DF20A Outboards
The Suzuki 17670-91J02 thermostat is a genuine Suzuki cooling system thermostat for select small Suzuki outboard applications, including DF2.5, DF4/DF4A, DF5, DF6/DF6A, DF9.9B, DF15A and DF20A where specified.
Applications
- Make: Suzuki
- Engine style: Outboard
- Horsepower range: 2.5-20 HP
- Model menu: DF2.5-DF20A
- Temperature rating: 122°F / 50°C
Key Details
- Suzuki part number: 17670-91J02
- Product: Thermostats
- Specifics: 122°F/50°C Thermostats
- Sold as: One thermostat
Service Notes
A properly operating thermostat helps regulate outboard engine temperature and cooling system performance. Replace during cooling system service or when diagnostics indicate thermostat failure.
Frequently Asked Questions
What does Suzuki 17670-91J02 fit?
It is listed for select DF2.5 through DF20A Suzuki outboard cooling system applications where this part number is specified.
What temperature is this thermostat?
This thermostat is rated at 122°F / 50°C.
Is a gasket included?
This listing is for the thermostat. Related gaskets or seals should be verified separately by engine model and part number.
Fitment Reminder
Please verify fitment by Suzuki part number, engine model, model year, and service information before ordering.




