Recmar Johnson Evinrude 90-225HP Thermostat 437090 133F
REC437090
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Johnson / Evinrude Thermostat 437090
133°F full-flow replacement for selected 90–225 hp outboards
Recmar replacement thermostat assembly for compatible Johnson and Evinrude outboards that specify OMC/BRP reference 437090. It is a 133°F full-flow thermostat used in selected 60-degree and looper cooling-system applications.
Key Features
- 133°F full-flow thermostat assembly
- Aftermarket replacement for OMC/BRP 437090
- Cross-references earlier 436174 and 435100 applications
- For selected Johnson/Evinrude 90–225 hp outboards
- Thermostat only unless a seal or gasket is explicitly shown
Technical Specs
| Part type | Engine cooling thermostat |
| Opening/rating guide | 133°F / approx. 56°C |
| Application type | Selected 60-degree and looper outboards |
| OMC/BRP reference | 437090 / 0437090 |
| Recmar SKU | REC437090 |
| Supply type | Aftermarket replacement |
Compatibility / Fitment Guide
Verified application guide:
| Brand | Johnson and Evinrude outboards. |
| Horsepower family | Selected 90–225 hp models, commonly 1993–2002 60-degree A-suffix and looper applications. |
| Part-number requirement | The serial-specific cooling-system diagram must specify 437090, 436174 or 435100. |
| Quantity check | Some engines use more than one thermostat; confirm the quantity required by the exact cylinder-head/cooling layout. |
| Not for | Can-Am, Sea-Doo or other Bombardier recreational vehicles, or outboards requiring a different temperature/range thermostat. |
Use horsepower, year and engine architecture only as a guide. The complete model number and parts diagram determine final fitment.
Part Number Cross Reference
| OMC / BRP current reference | 437090 / 0437090 |
| Earlier references | 436174 / 0436174; 435100 / 0435100 |
| Recmar / 4Boats SKU | REC437090 |
Cross-reference numbers identify compatible applications; they do not imply that this part is supplied in the original engine manufacturer's packaging.
Frequently Asked Questions
Is this for Bombardier PWC or Can-Am?
No. This listing is for specified Johnson/Evinrude outboard applications.
Does it fit every 90–225 hp Johnson/Evinrude?
No. Confirm the exact cooling-system part number.
What temperature is it?
The documented rating is 133°F, approximately 56°C.
Are gaskets included?
Do not assume so. Only the thermostat is included unless seals are visibly supplied.
Should both thermostats be replaced?
If the engine uses a pair, many technicians replace and inspect them together, but confirm the engine layout and service procedure.
Confirm the complete Johnson/Evinrude model number and thermostat quantity before purchase.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
