60°C Marine Outboard Thermostat for Suzuki DF8A, DF9.9, DF15, DF20R, DF25, DF25A, DF30A and Johnson/Evinrude J/BJ25 – Replaces 17670-94J00, 17670-94J01, 17670-94J02, 5036226
60°C Marine Outboard Thermostat for Suzuki DF8A, DF9.9, DF15, DF20R, DF25, DF25A, DF30A and Johnson/Evinrude J/BJ25 – Replaces 17670-94J00, 17670-94J01, 17670-94J02, 5036226 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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60°C Marine Outboard Thermostat for Suzuki DF8A, DF9.9, DF15, DF20R...
60°C Marine Outboard Thermostat for Suzuki DF8A, DF9.9, DF15, DF20R, DF25, DF25A, DF30A and Johnson/Evinrude J/BJ25 – Replaces 17670-94J00, 17670-94J01, 17670-94J02, 5036226 is backordered and will ship as soon as it is back in stock.
Product Details
This 60°C (140°F) marine outboard thermostat regulates engine operating temperature and is listed for selected Suzuki four-stroke outboards and Johnson/Evinrude applications using the 5036226 thermostat reference.
For Suzuki applications, the listed reference numbers are 17670-94J00, 17670-94J01, and 17670-94J02. The product is also listed as a replacement for Johnson/Evinrude/OMC 5036226.
- Thermostat rated at 60°C (140°F).
- Aftermarket replacement for the listed OEM and manufacturer part references.
- Sold as one thermostat; gasket and other installation hardware are not specified as included.
Part Number Matrix
Use the numbers below to compare your removed thermostat and confirm the application before ordering.
| Brand or reference | Part number | Application note |
|---|---|---|
| Suzuki Marine | 17670-94J00 | This listing replacement reference. |
| Suzuki Marine | 17670-94J01 | This listing replacement reference. |
| Suzuki Marine | 17670-94J02 | Listed for the Suzuki DF applications shown below. |
| Johnson/Evinrude/OMC | 5036226 | Listed replacement reference for the J/BJ25 application group. |
Engine & Model Compatibility
Fitment depends on the complete engine model and year range. Check the model designation and the original thermostat number before installation.
| Brand | Model | Rated HP | Stroke | Years or range | Reference |
|---|---|---|---|---|---|
| Suzuki | DF8A | 8 | 4-Stroke | 2010+ | 17670-94J00 / 17670-94J01 / 17670-94J02 |
| Suzuki | DF9.9A (AR) | 9.9 | 4-Stroke | 2010+ | 17670-94J00 / 17670-94J01 / 17670-94J02 |
| Suzuki | DF9.9, DF15 (R) | 9.9, 15 | 4-Stroke | 2004–2012 | 17670-94J00 / 17670-94J01 / 17670-94J02 |
| Suzuki | DF20R, DF25R/Q, V2 | 20, 25 | 4-Stroke | 2006–2013 | 17670-94J00 / 17670-94J01 / 17670-94J02 |
| Suzuki | DF25A, DF30A | 25, 30 | 4-Stroke | 2015+ | 17670-94J00 / 17670-94J01 / 17670-94J02 |
| Johnson/Evinrude | J/BJ25 application group | 25 | 2-Stroke application reference | Verify model and serial details | 5036226 |
Technical Specifications
- Product type
- Marine outboard engine thermostat
- Rated opening temperature
- 60°C (140°F)
- Product construction
- Aftermarket replacement thermostat
- Installation
- Replacement installation in the original thermostat housing
- Included gasket
- Not specified as included; verify gasket requirements for your engine
What's in the Box
- 1 × 60°C (140°F) marine outboard thermostat
Installation Notes
- Allow the engine to cool completely before beginning work.
- Disconnect the battery or follow the engine manufacturer's service-safety procedure.
- Locate the thermostat housing and remove the cover carefully.
- Note the orientation of the original thermostat before removal.
- Clean the housing and cover mating surfaces without damaging them.
- Install the replacement thermostat in the same orientation as the original.
- Install a new housing gasket or seal if required for your engine; the gasket is not specified as included with this product.
- Reinstall the cover and tighten the fasteners evenly to the engine manufacturer's specification.
- Run the engine according to the manufacturer's procedure and check for water leaks, proper tell-tale flow, and signs of overheating.
Troubleshooting & FAQ
What temperature is this thermostat rated for?
This thermostat is rated at 60°C (140°F).
Which Suzuki engines are listed for this thermostat?
This listing includes Suzuki DF8A, DF9.9A (AR), DF9.9, DF15 (R), DF20R, DF25R/Q, V2, DF25A, and DF30A within the year ranges shown in the compatibility table.
Does this thermostat replace 17670-94J00, 17670-94J01, or 17670-94J02?
Yes. These Suzuki reference numbers are listed for this replacement thermostat. Confirm your exact engine model, year, and original part number before ordering.
Does this thermostat replace 5036226?
Yes. The product is listed as a replacement for Johnson/Evinrude/OMC 5036226 for the specified J/BJ25 application group. Confirm the complete model and serial information for your engine.
Is a gasket included?
No gasket is specified as included. Inspect the existing gasket and obtain the correct replacement gasket separately if required by your engine.
Is this an OEM thermostat?
No. This is an aftermarket replacement intended for the listed applications and reference numbers.
Safety & Important Information
- Do not rely on horsepower alone when confirming fitment. Match the complete model, year range, and original thermostat reference.
- Keep the engine cool during installation and follow the manufacturer's service procedures.
- After installation, check for leaks and verify normal cooling-water flow before operating the boat under load.
- Professional installation is recommended when the engine service procedure or model-specific gasket requirements are uncertain.
About Sea Sierra
- Marine replacement parts — Products are selected for specified outboard repair and maintenance applications.
- Application-focused listings — Model, year, stroke, and reference-number details are provided to support fitment checks.
- Practical service support — Always compare the removed part and engine identification before installation.
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