JT-MOTOR 59078Q3 Thermostat Kit Motor 2.5 3.0

( Brand: Jt-motor ), ( Manufacturer Part Number: 59078Q3 ), ( Type: Thermostat Kit ), ( Fitment: For Mercury Marine Mercruiser 2.5 And 3.0 ), ( Warranty: 1 Year ), ( Exterior: Machined ), ( Features: Easy Installation ), ( Position: Front )

Review JT MOTOR Thermostat Kit Mercury 2.5 And 3.0 Replaces 59078 fits MERCRUISER MARINE

JT Motor 59078Q3 Thermostat Kit for Mercury Marine Mercruiser 2.5 & 3.0

Experience unparalleled cooling efficiency with the JT Motor 59078Q3 Thermostat Kit, expertly designed for Mercury Marine Mercruiser 2.5 and 3.0 engines. This meticulously engineered kit is a must-have for boat owners seeking optimal engine performance and longevity.

The JT Motor 59078Q3 Thermostat Kit is a direct fit for Mercury Marine Mercruiser engines, ensuring a seamless installation process. It comprises a high-quality thermostat and gasket, both of which are precision-crafted to withstand the rigors of marine environments.

The thermostat in this kit is a 12-14mm unit, offering excellent temperature control to maintain the ideal operating temperature for your engine. This ensures efficient performance, reduced wear and tear, and extended engine life. The included gasket is specifically designed to provide a secure and leak-free seal, further enhancing the reliability and durability of your engine cooling system.

Installing the JT Motor 59078Q3 Thermostat Kit is simple and straightforward, thanks to its user-friendly design and clear installation instructions. The kit includes all necessary components, making it a comprehensive solution for your engine's cooling system needs.

Upgrade your Mercury Marine Mercruiser engine's cooling system with the JT Motor 59078Q3 Thermostat Kit. Experience the difference in performance, reliability, and peace of mind that comes with using a high-quality, marine-specific thermostat kit. Ensure your boat's engine stays in top shape, no matter the marine conditions, with the JT Motor 59078Q3 Thermostat Kit.

The JT-Motor 59078Q3 Thermostat Kit for Mercury Marine Mercruiser 2.5/3.0 engine offers both advantages and potential drawbacks, which are outlined below:

1. Compatibility: This kit is specifically designed for the Mercury Marine Mercruiser 2.5/3.0 engines, ensuring a precise fit and reliable operation.

2. Quality Materials: The thermostat and gasket included in the kit are made from durable materials that can withstand the demanding conditions of marine environments.

3. Easy Installation: The kit comes with clear instructions and all necessary components, making installation relatively straightforward for DIY enthusiasts.

4. Improved Engine Performance: A functioning thermostat is crucial for maintaining optimal engine temperature, which can lead to improved performance and fuel efficiency.

1. Price: Compared to some aftermarket alternatives, this kit may be more expensive.

2. Potential Fitment Issues: While the kit is designed for the Mercruiser 2.5/3.0 engines, there may be some minor variations in engine designs that could lead to fitment issues.

3. Limited Warranty: The warranty provided by JT-Motor may not be as extensive as that offered by some other manufacturers.

In conclusion, the JT-Motor 59078Q3 Thermostat Kit is a reliable choice for those who require a thermostat specifically designed for the Mercury Marine Mercruiser 2.5/3.0 engines. However, potential buyers should weigh the cost against the benefits and be prepared for potential fitment issues. If price is a major concern, it may be worth considering other aftermarket options. For those who prioritize a precise fit and quality materials, this kit could be a worthwhile investment.

Details:

Features: Great Compatibility: designed for Mercury Marine Mercruiser 2.5 and 3.0 engines, ensuring seamless integration reliable performance, making it the perfect choice boat enthusiasts mechanics. Direct Replacement: Directly replaces OEM parts, facilitating a straightforward installation process that saves time and effort for boat maintenance. Durable Replacement: This thermostat kit replaces parts 18-3650, 59078 and 59078Q3, offering improved longevity performance, thus solving overheating issues efficiently for optimal engine health. 59078Q3 Thermostat Kit for Mercury Marine Mercruiser 2.5 and 3.0 Replaces 59078, 59078.

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part #: 59078q3 prices

• $18.90-$18.92

specifications ouboaen:

• for models: Marine, Mercruiser
• for makes: Mercury
• brand: Jt-motor
• mpn: 59078q3
• type: Thermostat Kit
• fitment: For Mercury Marine Mercruiser 2.5 And 3.0
• warranty: 1 Year
• exterior: Machined
• features: Easy Installation
• position: Front

offer ouboaen:

• sold: 0
• quantity: 10
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: January 15, 2026

payments ouboaen:

• other
• wallet: Apple-pay
• credit card: Visa

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: New

shipping ouboaen:

• service: USPS First Class
• type: Fixed
• carrier: USPS
• transit: 6-10 Days
• class: Standard
• cost: $0.00

seller ouboaen:

• # reviews: 492
• rating: 99.6%
• city: Walton, Kentucky

returns ouboaen:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days