Recmar Johnson Evinrude 60-300HP Thermostat 143F 434137
REC434137
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Recmar Johnson / Evinrude 434137 Thermostat
62°C / 143°F replacement for selected 1985–1993 two-stroke outboards
Aftermarket RECMAR thermostat replacing OMC/Johnson/Evinrude 434137 and 394409. It is used in selected three-cylinder, V4, V6 and V8 two-stroke cooling systems from the late 1980s and early 1990s, with model-specific fitment.
Key Features
- RECMAR aftermarket replacement; not genuine OMC/BRP
- 62°C / 143°F nominal calibration
- For selected Johnson/Evinrude two-stroke applications
- Covers specified 3-cylinder, V4, V6 and V8 families
- Replaces 394409 and related references where catalogued
- One thermostat supplied
Technical Specs
| Part type | Outboard thermostat |
| Opening temperature | 62°C / 143°F nominal |
| Engine type | Selected Johnson/Evinrude two-stroke |
| Application era | Primarily 1985–1993, model dependent |
| 4Boats SKU | REC434137 |
Compatibility / Fitment Guide
| Engine family | Verified application | Important notes |
|---|---|---|
| Johnson / Evinrude 60 HP | Selected 1989–1992 three-cylinder applications | Confirm model number and 434137 reference |
| Johnson / Evinrude 65 HP | Selected 1987–1992 applications | Not every 65 HP cooling system is identical |
| Johnson / Evinrude 70 / 75 HP | Selected 1986–1993 applications | Verify cylinder/crankcase diagram |
| Johnson / Evinrude 120–300 HP | Selected V4/V6/V8 applications, broadly 1985–1993, using 434137/394409 | Exact year, architecture and model suffix control fitment |
| Later 60° V4/V6 and Ficht/E-TEC | Not covered unless the catalogue explicitly cross-references 434137 | Do not extrapolate from horsepower |
Before ordering: Confirm the model number from the transom bracket and locate 434137 or 394409 in the engine parts diagram.
Part Number Cross Reference
| OMC / Johnson / Evinrude | 0434137; 434137; 0394409; 394409 |
| Additional OMC references | 329766; 765580 |
| Sierra | 18-3500 |
| RECMAR / 4Boats | REC434137 |
Frequently Asked Questions
Will it fit every 60–300 HP Johnson/Evinrude?
No. The range contains many unrelated engine families; OEM-number confirmation is mandatory.
Is this for four-stroke engines?
The verified application is selected two-stroke engines.
What temperature is it?
62°C / 143°F nominal.
Is it genuine Johnson/Evinrude?
No. It is a RECMAR aftermarket replacement.
Installation note: Work only on a cool engine. Clean the housing and seating face, renew disturbed seals where required, follow the manufacturer's torque procedure, then run the engine and check for leaks and correct cooling-water flow.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
