Z6_GHK6HJC0OG6S20Q8HU3K6R0G63
Z7_GHK6HJC0OG6S20Q8HU3K6R0GM5
Z7_GHK6HJC0OG6S20Q8HU3K6R0GM7
Z7_GHK6HJC0OG6S20Q8HU3K6R0Q22
View:
Yamaha 4LJ/SJ 1986/4LH/SH 1987 8MSH 2006-Later 4LG/SG 1988
Item#:
18-3623
Cross Reference#:
11919M
11919001
119196001
6E5-12411-00-00
6E5-12411-01-00
6E5-12411-02-00
Manufacturer Item:
6E5-12411-02-00
Manufacturer:
Sierra
Available:
Special Order
Your Price:
41.99
Each
Yamaha F175-F200 2012-Up
Item#:
6DA-12411-00-00
Cross Reference#:
6DA-12411-00-00
6DA-12411-01-00
8M0175324
8M6010299
Manufacturer Item:
6DA-12411-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
112.95
Each
Yamaha F425-F450
Item#:
6H3-12411-20-00
Cross Reference#:
6H3-12411-20-00
Manufacturer Item:
6H3-12411-20-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
166.95
Each

EMP Thermostat Assembly

Aftermarket Yamaha 4.2L V6 Thermostat

This EMP thermostat assembly is an aftermarket replacement for Yamaha OEM part number 6CE-12411-00-00 and Mercury cross reference 8M6012799.

The thermostat regulates engine cooling system temperature to help maintain proper engine operating temperature, fuel efficiency, corrosion protection, and reliable 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


Fitment Note: This thermostat is used in Yamaha 4.2L V6 FourStroke cooling systems including many offshore, LF counter-rotation, and VF SHO 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
EMP 6CE-12411E
Replaces Yamaha OEM 6CE-12411-00-00
Replaces Mercury OEM 8M6012799
Alternate Search Format 6CE124110000

OEM and Pro Marine Alternatives

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

  • EMP aftermarket thermostat assembly
  • Replaces Yamaha thermostat 6CE-12411-00-00
  • 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
  • Aftermarket alternative to OEM Yamaha thermostat

Thermostat Details

  • Brand: EMP
  • Part Type: Thermostat Assembly
  • EMP Part Number: 6CE-12411E
  • Replaces OEM: Yamaha 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 EMP 6CE-12411E replace?
This thermostat replaces Yamaha OEM thermostat 6CE-12411-00-00 and Mercury thermostat 8M6012799.

What engines does this thermostat 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.

Is this an OEM Yamaha thermostat?
No. This is an EMP aftermarket replacement thermostat.

Are OEM and Pro Marine versions available?
Yes. OEM Yamaha and Pro Marine replacement 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.

Apply for a Dealer Account

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-12411E, 6CE-12411-00-00, 8M6012799, EMP thermostat, 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

Item#:
6CE-12411E
Cross Reference#:
18-3524
6CE-12411-00-00
8M6012799
Manufacturer Item:
6CE-12411-00-00
Manufacturer:
Engineered Marine Parts
Available:
In Stock
Your Price:
42.99
Each
Fits Yamaha F75 F90 VF90 FourStroke Outboards 2006-Present
Genuine Yamaha OEM Part

Genuine Yamaha 60° Thermostat for F75 F90 VF90

Genuine Yamaha thermostat 6FP-12411-00-00 is a factory OEM 60°C thermostat for select Yamaha F75, F90 and VF90 FourStroke outboards. It helps regulate coolant flow so the engine can warm up properly and maintain its designed operating temperature.

Genuine Yamaha Factory Replacement

This is the genuine Yamaha OEM version, not an aftermarket thermostat. Use it when your engine parts diagram calls for Yamaha part number 6FP-12411-00-00.

Compatible Applications

This OEM thermostat fits the following Yamaha four-stroke outboard families when the engine diagram specifies part number 6FP-12411-00-00.

Engine Family Applicable Variants Catalog Range
Yamaha F75LB Series F75LB and applicable _0120 through _0123 variants 2006-Present
Yamaha F75XB Series F75XB and applicable _0120 through _0123 variants 2006-Present
Yamaha F90JB Series F90JB and applicable _0120 through _0123 variants 2006-Present
Yamaha F90LB Series F90LB, F90LB2, F90LB3 and applicable catalog variants 2006-Present
Yamaha F90XB Series F90XB, F90XB2 and applicable catalog variants 2006-Present
Yamaha VF90LA and VF90LB VF90LA, VF90LB and applicable _0120 through _0324 variants 2006-Present
Yamaha VF90XA and VF90XB VF90XA, VF90XB and applicable _0120 through _0324 variants 2006-Present

Fitment includes applicable catalog suffixes such as _0120, _0121, _0122, _0123 and _0324. Always confirm the complete engine model and OEM number before ordering.

OEM and Cross Reference Numbers

Brand Part Number Reference Type
Yamaha 6FP-12411-00-00 Genuine OEM part number
Mercury 8M0175325 OEM cross reference
Mercury 8M6010300 OEM cross reference

What This Thermostat is Used For

The thermostat controls coolant flow through the engine. When the engine is cold, it remains closed to help the powerhead reach operating temperature. As the engine warms, the thermostat opens to allow cooling water to circulate.

A properly functioning thermostat supports consistent engine temperature, clean combustion, dependable idle quality and correct cooling-system operation.

Reasons to Inspect or Replace the Thermostat

Engine Overheating

A thermostat stuck closed can restrict coolant flow and contribute to overheating.

Engine Runs Too Cool

A thermostat stuck open can prevent the engine from reaching its intended temperature.

Cooling-System Service

Thermostats are commonly inspected during water-pump and cooling-system maintenance.

Corrosion or Deposits

Salt, scale and debris can interfere with thermostat movement and sealing.

Aftermarket Option Available

Pro Marine thermostat

Pro Marine 60° Thermostat 6FP-12411P

Looking for a cost-effective alternative? The Pro Marine version fits the same verified Yamaha applications and replaces OEM number 6FP-12411-00-00.

View Pro Marine Thermostat

Key Features and Benefits

Genuine Yamaha OEM

Factory Yamaha replacement for applications calling for 6FP-12411-00-00.

60°C Thermostat

Designed to regulate operating temperature in the listed Yamaha engines.

Application-Specific Fit

Fits select Yamaha F75, F90 and VF90 FourStroke outboards.

Cooling-System Maintenance

Suitable for scheduled service or replacement of a sticking or corroded thermostat.

Frequently Asked Questions

Is this a genuine Yamaha part?

Yes. This page is for the genuine Yamaha OEM thermostat, part number 6FP-12411-00-00.

What temperature is this thermostat?

This is a 60°C thermostat for the listed Yamaha F75, F90 and VF90 applications.

What Mercury numbers cross to this thermostat?

Mercury references associated with this thermostat include 8M0175325 and 8M6010300.

How should I confirm fitment?

Confirm your complete Yamaha engine model and verify that the OEM parts diagram specifies 6FP-12411-00-00 before ordering.

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.

Apply for a Dealer Account

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

6FP-12411-00-00, 6FP124110000, 8M0175325, 8M6010300, Yamaha F75 thermostat, Yamaha F90 thermostat, Yamaha VF90 thermostat, genuine Yamaha thermostat, Yamaha 60 degree thermostat, F75LB thermostat, F75XB thermostat, F90LB thermostat, F90XB thermostat, VF90 SHO thermostat

Item#:
6FP-12411-00-00
Cross Reference#:
18-3641
6FP-12411-00-00
8M0175325
8M6010300
Manufacturer Item:
6FP-12411-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
76.95
Each
Yamaha F350 4.3L V6
Item#:
6CE-12411-10-00
Cross Reference#:
6CE-12411-10-00
Manufacturer Item:
6CE-12411-10-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
49.95
Each
Yamaha F425-450 V8
Item#:
6GR-12411-00-00
Cross Reference#:
6GR-12411-00-00
Manufacturer Item:
6GR-12411-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
112.95
Each
Fits F115 LF115 F130 LF130 and VF115 FourStroke Models 2006-Present
Genuine Yamaha OEM Part

Genuine Yamaha 60° Thermostat for F115 F130 VF115

Genuine Yamaha thermostat 6EK-12411-00-00 is a factory OEM 60°C thermostat for select Yamaha F115, LF115, F130, LF130 and VF115 FourStroke outboards. It regulates cooling-water flow to help the engine warm up correctly and maintain its intended operating temperature.

Genuine Yamaha Factory Replacement

This is the genuine Yamaha OEM thermostat, not an aftermarket replacement. Use it when the applicable Yamaha engine parts diagram specifies thermostat 6EK-12411-00-00.

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 engine configurations. Confirm your complete engine model and verify that the applicable OEM parts diagram calls for thermostat 6EK-12411-00-00. Do not order using horsepower alone.

OEM & Cross Reference Numbers

Brand Part Number Reference Type
Yamaha OEM 6EK-12411-00-00 Genuine OEM part number
Mercury 8M0175396 Superseded OEM reference
Mercury 8M6010301 OEM cross reference
Mercury 8M6013870 OEM cross reference

What This Part is Used For

The thermostat regulates the flow of cooling water through the engine. It stays closed while the engine is cold to help the powerhead warm up efficiently, then opens as the engine reaches its intended operating temperature.

Proper thermostat operation supports consistent engine temperature, reliable idle quality, efficient combustion and dependable cooling-system performance.

Reasons to Inspect or Replace the Thermostat

Engine Overheating

A thermostat that remains closed may restrict cooling-water circulation and contribute to overheating.

Engine Runs Too Cool

A thermostat stuck open may prevent the engine from reaching its intended operating temperature.

Cooling-System Service

Thermostats are commonly inspected during water-pump and other cooling-system maintenance.

Salt or Mineral Deposits

Corrosion, salt and debris can interfere with thermostat movement and cooling-system performance.

Pro Marine Aftermarket Option Available

Pro Marine thermostat
Pro Marine Aftermarket

Pro Marine 60° Thermostat 6EK-12411P

Looking for a cost-effective alternative? The Pro Marine thermostat fits the same verified applications and replaces Yamaha OEM number 6EK-12411-00-00.

View Pro Marine Thermostat

Key Features and Benefits

Genuine Yamaha OEM

Factory Yamaha replacement for applications specifying part number 6EK-12411-00-00.

60°C Temperature Rating

Calibrated to help the listed engines maintain their intended operating temperature.

Application-Specific Fit

Fits select Yamaha F115, LF115, F130, LF130 and VF115 FourStroke outboards.

Factory Replacement Option

Ideal for owners and technicians who prefer genuine Yamaha cooling-system components.

Frequently Asked Questions

Is this a genuine Yamaha thermostat?

Yes. This is the genuine Yamaha OEM thermostat, part number 6EK-12411-00-00.

What temperature is this thermostat?

This is a 60°C thermostat for the listed Yamaha FourStroke applications.

What Yamaha engines does it fit?

It fits select Yamaha F115, LF115, F130, LF130 and VF115 models whose parts diagrams specify thermostat 6EK-12411-00-00.

Is an aftermarket version available?

Yes. Pro Marine thermostat 6EK-12411P is available as a cost-effective aftermarket alternative.

How should I confirm fitment?

Confirm the complete engine model and verify that the applicable Yamaha OEM parts diagram specifies thermostat 6EK-12411-00-00 before ordering.

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.

Apply for a Dealer Account

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-12411-00-00, 6EK124110000, 8M0175396, 8M6010301, 8M6013870, Yamaha OEM thermostat, genuine Yamaha thermostat, Yamaha F115 thermostat, Yamaha LF115 thermostat, Yamaha F130 thermostat, Yamaha LF130 thermostat, Yamaha VF115 thermostat, Yamaha V MAX SHO thermostat, 60 degree Yamaha thermostat

Item#:
6EK-12411-00-00
Cross Reference#:
6EK-12411-00-00
8M0175396
8M6010301
8M6013870
Manufacturer Item:
6EK-12411-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
49.95
Each
Yamaha F425-450 V8
Item#:
6GR-12411P
Manufacturer Item:
6GR-12411-00-00
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
61.75
Each
Yamaha 9.9,15,c25,c30,c40,c55
Item#:
12412
Cross Reference#:
11752M
18-3625
6F5-12411-01-00
6F5-12411-02-00
6F5-12411-03-00
814554M
814554T01
814554001
Manufacturer Item:
6F5-12411-03-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
39.95
Each
Yamaha F300 & F350
Item#:
6AW-12411P
Cross Reference#:
6AW-12411-00-00
Manufacturer Item:
6AW-12411-00-00
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
33.83
Each

Pro Marine Thermostat Assembly

Aftermarket Yamaha 4.2L V6 Thermostat

This Pro Marine thermostat assembly is an aftermarket replacement for Yamaha OEM part number 6CE-12411-00-00 and Mercury cross reference 8M6012799.

The thermostat regulates engine cooling system temperature to help maintain proper engine operating temperature, fuel efficiency, corrosion protection, and reliable 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


Fitment Note: This thermostat is used in Yamaha 4.2L V6 FourStroke cooling systems including many offshore, LF counter-rotation, and VF SHO 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
Pro Marine 6CE-12411P
Replaces Yamaha OEM 6CE-12411-00-00
Replaces Mercury OEM 8M6012799
Alternate Search Format 6CE124110000

OEM and EMP Alternatives

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

  • Pro Marine aftermarket thermostat assembly
  • Replaces Yamaha thermostat 6CE-12411-00-00
  • 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
  • Aftermarket alternative to OEM Yamaha thermostat

Thermostat Details

  • Brand: Pro Marine
  • Part Type: Thermostat Assembly
  • Pro Marine Part Number: 6CE-12411P
  • Replaces OEM: Yamaha 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 Pro Marine 6CE-12411P replace?
This thermostat replaces Yamaha OEM thermostat 6CE-12411-00-00 and Mercury thermostat 8M6012799.

What engines does this thermostat 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.

Is this an OEM Yamaha thermostat?
No. This is a Pro Marine aftermarket replacement thermostat.

Are OEM and EMP versions available?
Yes. OEM Yamaha and EMP replacement 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.

Apply for a Dealer Account

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-12411P, 6CE-12411-00-00, 8M6012799, Pro Marine thermostat, 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

Item#:
6CE-12411P
Cross Reference#:
18-3524
6CE-12411-00-00
8M6012799
Manufacturer Item:
6CE-12411-00-00
Manufacturer:
Pro Marine
Available:
Out of Stock
ETA:
08/19/2026
Your Price:
37.07
Each
View: