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6CB-12411-10-00
8M0175322
8M6010297
Pro Marine 60° Thermostat for Yamaha F115 F130 VF115
The Pro Marine 6EK-12411P is a 60°C aftermarket thermostat for select Yamaha F115, LF115, F130, LF130 and VF115 FourStroke outboards. It replaces Yamaha OEM 6EK-12411-00-00 and helps regulate cooling-water flow so the engine can reach and maintain its proper operating temperature.
Pro Marine Aftermarket Replacement
This is a Pro Marine aftermarket thermostat, not a genuine Yamaha OEM part. It is designed as a direct replacement for applications that specify Yamaha thermostat 6EK-12411-00-00. A genuine Yamaha version is also available below.
Compatible Applications
This thermostat fits the following Yamaha outboard families when the engine parts diagram specifies OEM number 6EK-12411-00-00.
| Engine Family | Applicable Models | Catalog Range |
|---|---|---|
| Yamaha F115JB | F115JB and applicable _0120 through _0123 variants | 2006-Present |
| Yamaha F115LB Series | F115LB, F115LB2, F115LB3 and applicable catalog variants | 2006-Present |
| Yamaha F115XB Series | F115XB, F115XB2 and applicable catalog variants | 2006-Present |
| Yamaha LF115XB Series | LF115XB, LF115XB2 and applicable catalog variants | 2006-Present |
| Yamaha F130 and LF130 | F130LA, F130XA and LF130XA | 2006-Present |
| Yamaha VF115LA and VF115LB | VF115LA, VF115LB and applicable -20, _0120, _0121, _0222, _0223 and _0324 variants | 2006-Present |
| Yamaha VF115XA and VF115XB | VF115XA, VF115XB and applicable -20, _0120, _0121, _0222, _0223 and _0324 variants | 2006-Present |
Important Fitment Note
Yamaha model suffixes identify specific production versions and configurations. Confirm your complete engine model and verify that the applicable OEM parts diagram calls for thermostat 6EK-12411-00-00 before ordering. Do not order using horsepower alone.
OEM & Cross Reference Numbers
| Brand | Part Number | Reference Type |
|---|---|---|
| Pro Marine | 6EK-12411P | Aftermarket part number |
| Yamaha OEM | 6EK-12411-00-00 | Primary OEM reference |
| Mercury | 8M0175396 | Superseded reference |
| Mercury | 8M6010301 | OEM cross reference |
| Mercury | 8M6013870 | OEM cross reference |
| Sierra | 18-3639 | Aftermarket cross reference |
What This Part is Used For
The thermostat regulates cooling-water flow through the engine. It remains closed while the engine is cold to help the powerhead warm up efficiently, then opens as operating temperature increases.
A properly functioning thermostat helps the engine maintain a consistent operating temperature, supporting dependable idle quality, efficient combustion and proper cooling-system performance.
Key Features and Benefits
A cost-effective aftermarket option for engines specifying Yamaha OEM 6EK-12411-00-00.
Designed to help maintain the correct operating temperature in the listed Yamaha applications.
Installs in the original thermostat location without modifying the engine.
Fits verified F115, LF115, F130, LF130 and VF115 model families.
Genuine Yamaha OEM Version Available
Yamaha Thermostat 6EK-12411-00-00
Prefer the factory Yamaha component? Choose the genuine OEM thermostat manufactured for applications specifying Yamaha part number 6EK-12411-00-00.
View Genuine Yamaha ThermostatFrequently Asked Questions
Is this a genuine Yamaha thermostat?
No. This is a Pro Marine aftermarket thermostat designed to replace Yamaha OEM number 6EK-12411-00-00.
What temperature is this thermostat?
This is a 60°C thermostat for the listed Yamaha FourStroke applications.
What engines does it fit?
It fits select Yamaha F115, LF115, F130, LF130 and VF115 models that use OEM thermostat 6EK-12411-00-00.
What are common symptoms of a failing thermostat?
Possible symptoms include overheating, slow engine warm-up, inconsistent operating temperature or visible corrosion and deposits around the thermostat.
How should I verify fitment?
Confirm your complete engine model and check that the applicable OEM parts diagram specifies Yamaha thermostat 6EK-12411-00-00.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
6EK-12411P, 6EK12411P, 6EK-12411-00-00, 6EK124110000, 8M0175396, 8M6010301, 8M6013870, 18-3639, Yamaha F115 thermostat, Yamaha LF115 thermostat, Yamaha F130 thermostat, Yamaha LF130 thermostat, Yamaha VF115 thermostat, Yamaha V MAX SHO thermostat, Pro Marine thermostat, 60 degree Yamaha thermostat
6EK-12411-00-00
6EK-12411-00-00
8M0175396
8M6010301
8M6013870
OEM Yamaha Thermostat Assembly
Genuine Yamaha 4.2L V6 Thermostat
This genuine OEM Yamaha thermostat assembly replaces Yamaha part number 6CE-12411-00-00 and also cross references Mercury OEM number 8M6012799.
The thermostat regulates engine cooling system temperature to help maintain proper engine operating temperature, fuel efficiency, corrosion protection, and overall engine performance.
Compatible Applications
| Engine Range | Engine Type | System | Application Notes |
|---|---|---|---|
| Yamaha F225 / LF225 | 4.2L FourStroke V6 | Cooling System | Select models using thermostat 6CE-12411-00-00 |
| Yamaha F250 / LF250 | 4.2L FourStroke V6 | Cooling System | Select offshore and standard rotation applications |
| Yamaha F300 / LF300 | 4.2L FourStroke V6 | Cooling System | Used in compatible offshore cooling systems |
| Yamaha VF250 | V MAX SHO 4.2L | Cooling System | Select SHO cooling system applications |
Mercury OEM number 8M6012799 cross references this Yamaha thermostat for compatible Mercury-branded Yamaha powerhead applications.
Always verify your model number, serial number, and cooling system diagram before ordering thermostats and cooling system components.
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Yamaha OEM | 6CE-12411-00-00 |
| Mercury OEM Cross Reference | 8M6012799 |
| Alternate Search Format | 6CE124110000 |
Alternative Thermostat Options
Looking for aftermarket replacement options?
What This Thermostat is Used For
This thermostat is used in compatible Yamaha and Mercury FourStroke cooling systems to regulate engine operating temperature.
The thermostat controls coolant flow through the engine to help the engine warm up properly and maintain consistent operating temperature.
A faulty thermostat may contribute to overheating, improper engine temperature, poor fuel efficiency, or excessive engine wear.
Replacing worn thermostats during cooling system maintenance helps maintain reliable engine performance and cooling system operation.
Key Features and Benefits
- Genuine OEM Yamaha thermostat assembly
- Fits select Yamaha F225, F250, F300, LF-series, and VF250 models
- Designed for Yamaha 4.2L V6 cooling systems
- Helps maintain proper engine operating temperature
- Supports cooling system performance and engine efficiency
- Common replacement during cooling system service
- OEM Yamaha fit and temperature calibration
Thermostat Details
- Brand: Yamaha OEM
- Part Type: Thermostat Assembly
- OEM Part Number: 6CE-12411-00-00
- Mercury Cross Reference: 8M6012799
- Application: Yamaha 4.2L V6 Cooling Systems
- System: Cooling System
- Use: Engine temperature regulation
- Quantity Sold: Each
FAQ
What does Yamaha 6CE-12411-00-00 fit?
This thermostat fits select Yamaha F225, F250, F300, LF-series, and VF250 4.2L V6 outboards.
What does this thermostat do?
It regulates engine cooling system temperature and coolant flow.
Can a bad thermostat cause overheating?
Yes. A faulty thermostat may restrict coolant flow or prevent proper engine temperature regulation.
Are aftermarket versions available?
Yes. Pro Marine and EMP aftermarket versions are also available.
Should I verify fitment before ordering?
Yes. Yamaha used multiple thermostat configurations depending on model and production range.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Cooling system components should be installed only after confirming correct fitment.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
6CE-12411-00-00, 8M6012799, Yamaha thermostat, Yamaha 4.2 thermostat, Yamaha F225 thermostat, Yamaha F250 thermostat, Yamaha F300 thermostat, Yamaha LF250 thermostat, Yamaha LF300 thermostat, Yamaha VF250 thermostat, Mercury thermostat, Mercury 8M6012799, offshore thermostat, cooling system thermostat, FourStroke thermostat
6CE-12411-00-00
8M6012799
18-3627
19300-881-761
6H3-12411-00-00
6H3-12411-01-00
6H3-12411-10-00
6H3-12411-11-00
300hp
325hp
350hp
18-3636
6DA-12411-00-00
6DA-12411-01-00
8M0175324
8M6010299
Pro Marine 60° Thermostat for Yamaha F75 F90 VF90
The Pro Marine 6FP-12411P is a premium aftermarket 60°C thermostat designed for select Yamaha F75, F90 and VF90 FourStroke outboards. It directly replaces Yamaha OEM 6FP-12411-00-00 along with Mercury cross-reference numbers 8M0175325 and 8M6010300, helping maintain proper engine operating temperature and cooling system performance.
Why Replace Your Thermostat?
Your thermostat controls engine operating temperature by regulating coolant flow. A sticking thermostat can cause slow warm-up, overheating, inconsistent idle quality, poor fuel economy and unnecessary engine wear. Replacing a worn thermostat during routine cooling system maintenance helps keep your Yamaha FourStroke running at its designed operating temperature.
Compatible Applications
| Engine Family | Years |
|---|---|
| Yamaha F75LB Series | 2006-Present |
| Yamaha F75XB Series | 2006-Present |
| Yamaha F90JB Series | 2006-Present |
| Yamaha F90LB, LB2 and LB3 Series | 2006-Present |
| Yamaha F90XB and XB2 Series | 2006-Present |
| Yamaha VF90LA and VF90LB Series | 2006-Present |
| Yamaha VF90XA and VF90XB Series | 2006-Present |
Includes all applicable production variants and catalog suffixes including _0120, _0121, _0122, _0123, _0324 and other models using OEM thermostat 6FP-12411-00-00. Always verify your engine model and OEM part number before ordering.
OEM and Cross References
| Brand | Part Number |
|---|---|
| Pro Marine | 6FP-12411P |
| Yamaha OEM | 6FP-12411-00-00 |
| Mercury | 8M0175325 |
| Mercury | 8M6010300 |
What This Thermostat Does
The thermostat regulates coolant flow through your Yamaha outboard, allowing the engine to warm up quickly while maintaining the proper operating temperature. Maintaining correct engine temperature improves combustion efficiency, fuel economy and overall engine longevity.
Replacing a thermostat is commonly recommended whenever cooling system components are serviced or whenever overheating or poor warm-up symptoms are present.
Compare Aftermarket and OEM
Genuine Yamaha OEM Thermostat
Prefer the factory Yamaha thermostat? We also stock the genuine OEM version using the original Yamaha part number.
View Genuine OEMKey Features
Designed to maintain proper operating temperature for the listed Yamaha FourStroke engines.
Installs in place of Yamaha OEM 6FP-12411-00-00 without modification.
Manufactured to provide dependable cooling system performance.
Fits numerous Yamaha F75, F90 and VF90 models from 2006 through present production.
Frequently Asked Questions
Is this a genuine Yamaha thermostat?
No. This is a Pro Marine aftermarket thermostat designed as a direct replacement for Yamaha OEM 6FP-12411-00-00.
What OEM numbers does it replace?
It replaces Yamaha 6FP-12411-00-00 and Mercury cross references 8M0175325 and 8M6010300.
How do I verify fitment?
Verify your complete engine model and confirm your parts diagram calls for OEM thermostat 6FP-12411-00-00 before ordering.
Searchable Part Numbers
6FP-12411P, 6FP-12411-00-00, 8M0175325, 8M6010300, Pro Marine thermostat, Yamaha F75 thermostat, Yamaha F90 thermostat, Yamaha VF90 thermostat, Yamaha 60 degree thermostat, F75 cooling system thermostat, VF90 thermostat
6FP-12411-00-00
8M0175325
8M6010300
F6 2001-2004
F8 2001-2024
T8 2001-2004
F9.9 1985-2024
T9.9 1985-2024
6G8-12414-A0-00
6G8-12414-00-00
60R-E2414-A0-00
63P-12414-00-00
68D-E1241-4A-00
68D-E2414-A0-00