Tohatsu Outboard Thermostat 3H6-01030-0 50°C 122°F for MFS2 MFS4 MFS5 MFS6 2-6 HP
Tohatsu Outboard Thermostat 3H6-01030-0 50°C 122°F for MFS2 MFS4 MFS5 MFS6 2-6 HP
Product Overview
Tohatsu outboard thermostat opening at 50°C / 122°F, replacing Tohatsu 3H6-01030-0, 350-01030-1, 345-01030-1 and 346-01030. It fits the MFS2, MFS2.5, MF3.5, MFS4, MFS5 and MFS6 four-stroke outboards built between 2002 and 2020, a 2 HP to 6 HP span. The kit is supplied with two rubber rings and a gasket as well as the thermostat. A thermostat stuck open leaves the engine running cold and sooting plugs; stuck closed it overheats within minutes of starting.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Outboard Thermostat Kit |
| Engine Type | Tohatsu four-stroke outboard |
| Opening Temperature | 50°C / 122°F |
| Horsepower Range | 2-6 HP |
| Model Years | 2002-2020 |
| Also Quoted As | Seller listings state 2-40 HP; the verified models run MFS2 to MFS6 |
| Packaging | 15 x 10 x 3 cm (5.9 x 3.9 x 1.2 in) |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Tohatsu | 3H6-01030-0, 350-01030-1, 345-01030-1, 346-01030 |
Compatible Engines
Fits the following Tohatsu four-stroke outboards:
| Horsepower | Models | Years |
|---|---|---|
| 2 HP | MFS2A | 2006-2008 |
| 2.5 HP | MFS2.5A, MFS2.5B, MFS2.5C | 2006-2020 |
| 3.5 HP | MF3.5A, MF3.5B | 2006-2019 |
| 4 HP | MFS4A, MFS4A2, MFS4B | 2002-2009 |
| 5 HP | MFS5A, MFS5A2, MFS5B | 2002-2009 |
| 6 HP | MFS6A, MFS6A2, MFS6B, MFS6B3 | 2002-2009 |
What's Included
| Component | Qty |
|---|---|
| Thermostat | 1 |
| Rubber Ring | 2 |
| Gasket | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Verify your engine model or serial number before ordering
- Fits Tohatsu MFS2A through MFS6B3 four-strokes, 2 HP to 6 HP, 2002-2020
- Opening temperature is 50°C / 122°F
- Kit includes two rubber rings and a gasket along with the thermostat
- Seller listings quote a 2-40 HP range — the verified models top out at MFS6
- 30-Day Easy Returns
- Free Worldwide Shipping
- OEM Quality Without the Markup
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Boat Owners' Review
Before You Buy
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