Best sellers
Don't know the part number?
Find the exact part in your engine's exploded view by model or serial number.
All inboard parts →Questions? Ask us on WhatsAppBest sellers
Don't know the part number?
Find the exact part in your engine's exploded view by model or serial number.
Categories
Most popular
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Nautical Accessories →Questions? Ask us on WhatsAppCategories
More categories
- Engine Coolant
- Hull Repair
- Inflatable Boat Paint
- Outboard Motor Paint
- Adhesives
- Inline Fuel Filters
- Epoxy Products
- Marine Finishes & Enamels
- Engine Mounts
- Fuel Connectors
- Fuel Pumps and Valves
- Double Fuel Connectors
- Petrol Decanter Filters
- Petrol Decanter Spares
- Diesel Decanter Filters
- Diesel Decanter Spares
- Filter Fittings and Accessories
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Maintenance →Questions? Ask us on WhatsAppCategories
Most popular
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Electrical & Lighting →Questions? Ask us on WhatsAppCategories
More categories
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Marine Electronics →Questions? Ask us on WhatsAppCategories
More categories
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Cleaning & Maintenance →Questions? Ask us on WhatsAppCategories
Can't find what you need?
Send us a photo or the part number on WhatsApp and we'll find it for you.
View all · Marine Tools →Questions? Ask us on WhatsAppSimple and fast returns management so you can shop with complete confidence.
Free shipping
On orders over €99
Technical Advice
Unsure about the replacement part? Contact us via WhatsApp and we'll verify the exact part for you.
100% Secure Payment
Transactions are protected with SSL and HTTPS encryption. Shop with complete peace of mind.
THERMOSTAT 434137
Description
Function and Technical Context
The 434137 thermostat (equivalent part number REC434137) is the regulating element of the cooling circuit in medium- and high-power Johnson and Evinrude outboard motors. Its function is to control the opening and closing of the cooling water passage based on the block temperature, ensuring that the engine reaches and maintains its optimal operating temperature as quickly as possible. When the thermostat fails or becomes stuck, the engine may suddenly overheat—with the consequent risk of serious damage to the cylinder head, gaskets, and pistons—or, conversely, run constantly cold, leading to excessive fuel consumption, internal carbon buildup, and accelerated wear of the cylinder walls. This is a critical component within the seawater cooling system of these engines, and its proper functioning is essential to preserving the mechanical integrity of the propulsion system.
When should this part be replaced?
The most common symptoms indicating a faulty thermostat in Johnson and Evinrude engines are: a triggered temperature alarm or a gauge needle that rises rapidly into the red zone, the engine taking too long to reach operating temperature, irregular cooling water flow or no water discharge from the cooling pilot, and a loss of power with no apparent cause. It is recommended to inspect and replace the thermostat at every seasonal service or, at a minimum, every two years of use, as the heat-sensitive wax in the element loses elasticity over time even if there are no visible symptoms. Replacing it as a preventive measure is the most cost-effective way to avoid a forced shutdown due to overheating and the costly damage it can cause on the open sea.
Compatible Johnson/Evinrude Engines
| Series | Models |
|---|---|
| E60 | E60ELEIB 1991, E60ELENE 1992, E60TLEIB 1991, E60TLENE 1992, E60TTLEIB 1991, E60TTLENE 1992 |
| E65 | E65WMLEIB 1991, E65WMLENE 1992 |
| E70 | E70ELEIE 1991, E70ELEND 1992, E70TLEIE 1991, E70TLEND 1992, E70TTLEIE 1991, E70TTLEND 1992 |
| E120 | E120TLEIE 1991, E120TLEND 1992, E120TLETF 1993, E120TLETS 1993, E120TXATF 1993, E120TXATS 1993, E120TXEIE 1991, E120TXEND 1992, E120TXETF 1993, E120TXETS 1993 |
| E125 | E125ESXENR 1992, E125ESXETA 1993, E125ESXETF 1993 |
| E140 | E140CXATF 1993, E140CXATS 1993, E140CXEIA 1991, E140CXENM 1992, E140CXETB 1993, E140CXETF 1993, E140TLATC 1993, E140TLATF 1993, E140TLEID 1991, E140TLENS 1992, E140TLETC 1993, E140TLETF 1993, E140TXATF 1993, E140TXATS 1993, E140TXEID 1991, E140TXENS 1992, E140TXETC 1993, E140TXETF 1993 |
| E185 | E185ESXENR 1992 |
| E200 | E200CXEIB 1991, E200CXENE 1992, E200STLEID 1991, E200STLENS 1992, E200TXEIB 1991, E200TXENE 1992 |
| E225 | E225CXEIC 1991, E225CXENR 1992, E225PLEIC 1991, E225PLENR 1992, E225PXEIC 1991, E225PXENR 1992, E225TLEIC 1991, E225TLENR 1992, E225TXEIC 1991, E225TXENR 1992 |
| E250 | E250CXATF 1993, E250CXATS 1993, E250CXEIE 1991, E250CXEND 1992, E250CXETF 1993, E250CXETS 1993, E250CZATF 1993, E250CZATS 1993, E250CZEND 1992, E250CZETF 1993, E250CZETS 1993, E250TXATF 1993, E250TXATS 1993, E250TXEIE 1991, E250TXEND 1992, E250TXETF 1993, E250TXETS 1993, E250TZATF 1993, E250TZATS 1993, E250TZEND 1992, E250TZETF 1993, E250TZETS 1993 |
| E300 | E300CXEIE 1991, E300CXEND 1992, E300CXETF 1993, E300CXETS 1993, E300PLEIE 1991, E300PLEND 1992, E300PLETF 1993, E300PLETS 1993, E300PXEIE 1991, E300PXEND 1992, E300PXETF 1993, E300PXETS 1993 |
| J60 | J60ELEIB 1991, J60ELENE 1992, J60TLEIB 1991, J60TLENE 1992, J60TTLEIB 1991, J60TTLENE 1992 |
| J65 | J65WMLEIB 1991, J65WMLENE 1992 |
| J70 | J70ELEIE 1991, J70ELEND 1992, J70TLEIE 1991, J70TLEND 1992, J70TTLEIE 1991, J70TTLEND 1992 |
| J120 | J120TLAIE 1991, J120TLAND 1992, J120TLATF 1993, J120TLATS 1993, J120TLEIE 1991, J120TLEND 1992, J120TLETF 1993, J120TLETS 1993, J120TXATF 1993, J120TXATS 1993, J120TXEIE 1991, J120TXEND 1992, J120TXETF 1993, J120TXETS 1993 |
| J125 | J125ESXENR 1992, J125ESXETA 1993, J125ESXETF 1993 |
| J140 | J140CXATF 1993, J140CXATS 1993, J140CXEIA 1991, J140CXENM 1992, J140CXETB 1993, J140CXETF 1993, J140TLANS 1992, J140TLATC 1993, J140TLATF 1993, J140TLEID 1991, J140TLENS 1992, J140TLETC 1993, J140TLETF 1993, J140TXATF 1993, J140TXATS 1993, J140TXEID 1991, J140TXENS 1992, J140TXETC 1993, J140TXETF 1993 |
| J185 | J185ESXENR 1992 |
| J200 | J200CXEIB 1991, J200CXENE 1992, J200STLEID 1991, J200STLENS 1992, J200TXEIB 1991, J200TXENE 1992 |
| J225 | J225CXEIC 1991, J225CXENR 1992, J225PLEIC 1991, J225PLENR 1992, J225PXEIC 1991, J225PXENR 1992, J225TLEIC 1991, J225TLENR 1992, J225TXEIC 1991, J225TXENR 1992 |
| J250 | J250CXATF 1993, J250CXATS 1993, J250CXEIE 1991, J250CXEND 1992, J250CXETF 1993, J250CXETS 1993, J250CZATF 1993, J250CZATS 1993, J250CZEND 1992, J250CZETF 1993, J250CZETS 1993, J250TXATF 1993, J250TXATS 1993, J250TXEIE 1991, J250TXEND 1992, J250TXETF 1993, J250TXETS 1993, J250TZATF 1993, J250TZATS 1993, J250TZEND 1992, J250TZETF 1993, J250TZETS 1993 |
| J300 | J300CXEIE 1991, J300CXEND 1992, J300CXETF 1993, J300CXETS 1993, J300PLEIE 1991, J300PLEND 1992, J300PLETF 1993, J300PLETS 1993, J300PXEIE 1991, J300PXEND 1992, J300PXETF 1993, J300PXETS 1993 |
| TE60 | TE60TLEIB 1991, TE60TLENE 1992 |
| TJ60 | TJ60TLEIB 1991, TJ60TLENE 1992 |
| VE60 | VE60ELEIB 1991, VE60ELENE 1992, VE60TLEIB 1991, VE60TLENE 1992 |
| VE70 | VE70ELEIE 1991, VE70ELEND 1992, VE70TLEIE 1991, VE70TLEND 1992 |
| VE120 | VE120TLEIE 1991, VE120TLEND 1992, VE120TLETF 1993, VE120TLETS 1993, VE120TXEIE 1991, VE120TXEND 1992, VE120TXETF 1993, VE120TXETS 1993 |
| VE140 | VE140TLEID 1991, VE140TLENS 1992, VE140TLETC 1993, VE140TLETF 1993, VE140TXEID 1991, VE140TXENS 1992, VE140TXETC 1993, VE140TXETF 1993 |
| VE200 | VE200SLEID 1991, VE200SLENS 1992, VE200TXEIB 1991, VE200TXENE 1992 |
| VE225 | VE225PLEIC 1991, VE225PLENR 1992, VE225PXEIC 1991, VE225PXENR 1992, VE225TLEIC 1991, VE225TLENR 1992, VE225TXEIC 1991, VE225TXENR 1992 |
| VJ60 | VJ60ELEIB 1991, VJ60ELENE 1992, VJ60TLEIB 1991, VJ60TLENE 1992 |
| VJ70 | VJ70ELEIE 1991, VJ70ELEND 1992, VJ70TLEIE 1991, VJ70TLEND 1992 |
| VJ120 | VJ120TLAIE 1991, VJ120TLAND 1992, VJ120TLATF 1993, VJ120TLATS 1993, VJ120TLEIE 1991, VJ120TLEND 1992, VJ120TLETF 1993, VJ120TLETS 1993, VJ120TXEIE 1991, VJ120TXEND 1992, VJ120TXETF 1993, VJ120TXETS 1993 |
| VJ140 | VJ140TLAID 1991, VJ140TLANS 1992, VJ140TLEID 1991, VJ140TLENS 1992, VJ140TLETC 1993, VJ140TLETF 1993, VJ140TXEID 1991, VJ140TXENS 1992, VJ140TXETC 1993, VJ140TXETF 1993 |
| VJ200 | VJ200SLEID 1991, VJ200SLENS 1992, VJ200TXEIB 1991, VJ200TXENE 1992 |
| VJ225 | VJ225PLEIC 1991, VJ225PLENR 1992, VJ225PXEIC 1991, VJ225PXENR 1992, VJ225TLEIC 1991, VJ225TLENR 1992, VJ225TXEIC 1991, VJ225TXENR 1992 |
Equivalent Manufacturer Part Numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| OMC | 0434137, 434137 |
Related Johnson/Evinrude Spare Parts
If you are maintaining or repairing your Johnson/Evinrude engine, these spare parts might also interest you:
- Junta 329836Category: 2-stroke Cylinder Head Gaskets Johnson Evinrude
- Chaveta 334897Category: J/E Lower Drive 40-50 HP (1989-05)
- Junta 329830Category: Thermostat Cover Gaskets Johnson Evinrude
- Cojinete Omc 434467Category: J/E Lower Drive V4/V6 Ratio O (1979-06)
- Kit Inferior Piñones 397338 318304 318303Category: J/E Lower Drive 40-75 HP (1975-06)





























































