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Yamaha Outboard Parts
Shop Yamaha outboard motor parts by system, including cooling, fuel delivery, electrical, internal engine components, lower unit parts, and routine service items. Browse OEM and replacement Yamaha marine parts for maintenance, repair, and rebuild projects.
Shop by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
Common Yamaha Outboard Model References
This category supports many popular Yamaha outboards across a wide horsepower range. Always confirm your model and serial number for best fitment.
- Portable & Midrange: 2HP–60HP (2-stroke & 4-stroke)
- Inline 4 Models: F70–F150 (common Four Stroke platforms)
- V6 Four Stroke: F150–F300
- High Horsepower Offshore: F350–F450 (select platforms)
- Performance Lines: VMAX / SHO and HPDI (model-dependent)
6CB-12411-10-00
8M0175322
8M6010297
688-8258A-60-00
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
68T-44352-00-00
24435
6AW-44352-00-00
65L-8592A-01-00
9-32101
6X3-8258A-10-00
688-8258A-50-00
688-8258A-60-00
64E-43139-00-00
64E-43139-01-00
64E-43139-02-00
99999-03830-00