Honda Thermostats

As the leading aftermarket parts supplier, Marine Parts China provides a comprehensive range of inboard/outboard thermostats compatible with major marine engine brands including Yamaha, Honda, Suzuki, Mercury Mercruiser, OMC, Volvo Penta and Yanmar. Our goal is to deliver exceptional quality products and attentive service to both our distributors and their valued customers.

Quality Assurance

  • Extensively tested for durability and reliability, meeting strict OEM specifications for a precise fit and OE-quality function
  • Withstands 500 hours of salt spray testing and over 20,000 cycles of opening and closing.
  • 1 Year Limited Warranty on Manufacturer’s Defect in Material or Workmanship

Contact us now, to experience boat parts procurement services directly from the factory.

Thermostats for Honda Outboard

19300-921-003 19300-881-741 18-3629 60ºC Thermostat for Honda

19300-921-003 19300-881-741 18-3629 60ºC Thermostat for Honda

Fit: Honda Outboards BF75 and BF100 engines



Sierra: 18-3629

Same as 66M-12411-00 

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19300-881-761 18-3627 52ºC Thermostat for Honda

19300-881-761 18-3627 52ºC Thermostat for Honda

52ºC Fit:Honda Outboards BF4.5 – 15HP; BF4.5A – BF5A – BF6B – BF8A – BF8B – BF9.9A – BF9.9B – BF10A – BF15A – BF15B




Sierra: 18-3627
Honda 19300-881-761

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19300-ZV5-043 18-3630 72°C Thermostat for Honda

19300-ZV5-043 18-3630 72°C Thermostat for Honda

Temperature Rating: 72°C / 162°F
Fit:Honda Outboards 50 75 90 115 130 HP



Sierra: 18-3630

Honda Outboard

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Happy Customer

Marine thermostat Factory

Welcome to our world-class marine thermostat manufacturing facility. We specialize in the design and production of high-quality thermostats for both Japanese and American outboard engines, as well as inboard engines. Our comprehensive product range includes thermostats for YAMAHA, Suzuki, Honda, and TOHATSU engines from Japan, as well as Mercury and OMC/Johnson/Evinrude OMC engines from the United States. Additionally, our inboard engine thermostats cater to Yanmar and Volvo engines, further demonstrating our diverse capabilities.

Manufacturing Process

MPC’s manufacturing process is enhanced by an advanced mold development capacity. Utilizing the latest technology and techniques, our expert team is capable of designing and creating molds with unparalleled precision. This advanced capability allows us to meet a wide range of specific manufacturing demands, ensuring each product we produce meets the highest standards of quality and design

Inside Our Thermostat Manufacturing Facility

We invite you to experience the difference our devotion to excellence makes, and discover why MPC is the proven choice for yourself.



Service & Support

From our skilled and dedicated production team to our responsive customer service, we strive to provide the highest level of service and support to our valued customers worldwide.

Fast Lead

An industry-leading delivery window of 7-10 days for all standard orders.


Support of private labeling and specialized packaging


Provide visual status updates through images and videos at key points for real-time order tracking


Provide 1-3 years of product warranty based on different marine parts.

Get a Quick Quote

Let us know the product you like, your requirements, or anything we can help with. You will receive our response with a price quote and lead time estimate by the next business day.

Our Advantages

What makes us Us ?

As a leading aftermarket marine parts supplier, we differentiate ourselves by our dedication to service, quality, and value. Our experienced team strives to provide exceptional support and the highest-quality thermostats designed specifically for optimal performance and durability in marine engines. With extensive testing, customized options, and competitive pricing, we aim to exceed expectations.

Industry Experience
10+ years
warranty claim rate
Less than 1%
on-time delivery rate
Model Coverage
What are the key features of your thermostats for Honda?

Our thermostats for Honda are rigorously tested to meet OEM specs for precise temperature control. Key features include:

  • 500 hours salt spray testing with no corrosion
  • 20,000 cycle life test to ensure durability
  • 1 year limited warranty against defects
Why should I choose your thermostats for Honda over other brands?

As a Honda parts distributor, you need thermostats engineered specifically for Honda outboards to ensure proper fit and performance. Our thermostats match OEM design through specialized manufacturing, providing a reliable direct replacement.

How do you guarantee the quality and reliability?

Our thermostats for Honda are produced in an ISO-certified factory with strict quality control. Extensive testing during and after production ensures they meet the highest standards.

What kind of warranty do you offer?

We provide a 1-year limited warranty against defects in materials and workmanship. This protects you from inventory loss due to quality issues. We stand behind our products.

What delivery options are available?

We understand timely supply is critical for your business. We offer customizable delivery options via air/sea freight to meet your requirements, and can ship directly to your warehouses globally.

How quickly can you fulfill my thermostat orders?

We aim to ship all in-stock orders within 1 week. For Made-to-Order requests, lead time is usually around 2-3 weeks. Our large inventory allows us to meet urgent needs promptly.

Can I request custom branding/packaging of thermostats for my business?

Absolutely, we offer custom printing/labeling on thermostat packaging and provide extra support like marketing materials to help promote our products through your business.

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