Your Professional Tohatsu/Nissan Outboard Thermostat Supplier
Hangzhou Starwave Technology Co., Ltd. is a professional enterprise focusing on the full-range supply of outboard motor parts. Its core competitiveness comes from our own physical factory-a precision manufacturing base with decades of experience in manufacturing core components of internal combustion engines.We are highly compatible with nearly 100 models of global mainstream outboard motor brands such as Mercury, Yamaha, Suzuki and Honda, and our services cover diverse customer groups including professional repair shops, equipment distributors and overseas traders.
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![353-01030-0 Thermostat for Tohatsu Nissan 40HP 50HP 60HP 70HP 2 Stroke]()
353-01030-0 Thermostat for Tohatsu Nissan 40HP 50HP 60HP ...Horsepower: 40HP 50HP 60HP 70HP
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![3C7-01030-0 Thermostat for Tohatsu Nissan 60 70 75 90 115 120 140 HP 2002 - 2018]()
3C7-01030-0 Thermostat for Tohatsu Nissan 60 70 75 90 115...Horsepower: 60HP 70HP 75HP 90HP 115HP 120HP 140HP
Why Choose Us
R&D Team
The R&D center of Hangzhou Starwave Technology Co., Ltd. is built around a highly skilled technical team, featuring a structure characterized by senior leadership combined with deep professional specialization, ensuring strong technical expertise, efficient innovation, and the ability to develop high-quality products that meet international market standards.
Our Service
We provide dedicated one-on-one technical support, with our professional technical team available 24/7 and a guaranteed response time of within 2 hours, ensuring efficient communication, rapid problem resolution, and reliable support throughout the entire cooperation process.
Our Certificate
As a national high-tech enterprise, we hold IATF 16949 and ISO 9001 system certifications, along with multiple patents, demonstrating our strong commitment to quality management, technological innovation, and industry-leading standards.
Production Market
Our products are exported to a wide range of international markets, including South American countries such as Brazil and Argentina, Southeast Asian countries, African nations, Europe, and the United States, reflecting our strong global reach and the trust of customers worldwide.
Engine Temperature Regulation
Optimal Temperature Control: The primary function of the thermostat is to maintain the engine at its optimal operating temperature. By regulating the flow of coolant, it ensures that the engine doesn't overheat or run too cold, both of which can lead to inefficiency and damage.
Prevention of Engine Overheating
Protects Against Overheating: The thermostat helps prevent the engine from overheating by controlling the coolant flow based on the engine temperature. Overheating can cause significant engine damage, including warped components or seized engines. The thermostat helps avoid these risks.
Fuel Efficiency and Cost Savings
Improved Fuel Economy: Engines that operate at their ideal temperature are more fuel-efficient. Since the thermostat ensures the engine stays within the proper temperature range, the combustion process is more efficient, reducing fuel consumption and running costs.
Product Paramenters
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OEM |
3C7-01030-0 |
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Specification: |
60°C/140°F |
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Replaces: |
Product Type: Ignition Key Switch / Specifications: / Replaces: / Oem Interchange Part Number : |
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3C7-01030-0 |
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Applications: |
This Item Fits Various Applications By Part Number. Please Check Your Part Number To Ensure Fitment. / Make & Model(S): |
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Tohatsu 40HP and 50HP 2 Stroke outboard engines (M40D2 and M50D2 models) |
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For Tohatsu/Nissan 2002-2018 60HP 70HP 75HP 90HP 115HP 120HP 140HP |
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Source: |
Aftermarket |
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Original: |
Lishui, China |
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Payment term: |
TT, LC |
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Delivery date: |
Negotiable |
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Packing: |
Export standard |
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Market: |
Asia/South America/Europe |
- Unbolt the thermostat housing located at the top of the cylinder head or exhaust plate (Note: for older V4 Evinrude/Johnson outboards this will be located at the bottom of the exhaust plate between the cylinder heads)
- Remove the thermostat and place in a clear jar
- Cover thermostat with boiling water
Maintenance of Tohatsu/Nissan Outboard Thermostat
Regular Inspection
Inspect the thermostat regularly to ensure it is opening and closing at the correct temperature. If the thermostat is stuck in an open or closed position, it will cause the engine to either overheat or run too cold, both of which can lead to inefficiency and damage.
Keep the Cooling System Clean
Ensure there are no blockages in the cooling system that could hinder coolant flow. Saltwater, dirt, and debris can accumulate and clog the thermostat, preventing it from working effectively. Use fresh water to flush the cooling system regularly, especially if the engine has been operated in saltwater environments.
Clean the Thermostat Housing
Corrosion and mineral build-up can form around the thermostat housing, affecting the thermostat’s ability to function properly. Remove the thermostat and clean the housing with a soft brush and fresh water to eliminate any build-up or corrosion. Use a mild solution (such as vinegar) if necessary to remove hard water deposits.
Monitor Engine Temperature
Pay attention to the engine temperature gauge while operating your boat. If the engine temperature rises above normal, it could indicate a problem with the thermostat or the cooling system. Regularly monitor the temperature to ensure the thermostat is keeping the engine within its optimal temperature range.
How it Tohatsu/Nissan Outboard Thermostat works
Cold Start (Closed)
When you first start the outboard, the thermostat is shut, blocking water flow through the engine's cooling passages.This allows the engine to reach its ideal operating temperature faster.
01
Warming Up
As the engine heats, the water inside the engine jacket gets hotter.
02
Opening Point
When the water reaches the thermostat's set temperature (e.g., 122°F/50°C for some models), the thermostat's wax element expands, pushing the valve open.
03
Cooling Cycle (Open)
Hot water then flows out of the engine's top, through the thermostat, into the exhaust system (riser), and out of the motor, releasing heat.
04
Regulation
Cool water is continuously pulled in by the impeller to replace the hot water exiting, maintaining a stable, efficient engine temperature.
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Shipping
We are one of the most credible tohatsu/nissan outboard thermostat manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale tohatsu/nissan outboard thermostat for sale here from our factory. For quotation, contact us now.
140hp thermostat, 120hp thermostat, 353 01030 0 Thermostat for Tohatsu Nissan 40HP 50HP 60HP 70HP 2 Stroke
