KAWASAKI JOHN DEERE M139489 Cylinder Head Thermostat 425-FD620 445 M97311

( Brand: Kawasaki John Deere ), ( Manufacturer Part Number: M139489 ), ( Model: 425-FD620 ), ( Type: Cylinder Head ), ( Horsepower: 20-22hp ), ( Compatible Model: 425 445 )

Review KAWASAKI JOHN DEERE 425 445 Cylinder Head Thermostat Side

The Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311 is a crucial component of your Kawasaki Deere MX-series tractor's cooling system. This thermostat is specifically designed for use with the Kawasaki MX-series engines, including the 425 and 445 models, and is identified by part number M97311.

The cylinder head thermostat's primary function is to regulate the cooling system's temperature by controlling the flow of coolant between the engine and the radiator. This ensures that the engine operates at an optimal temperature, preventing overheating and ensuring efficient engine performance.

This thermostat is made with high-quality materials that provide excellent durability and reliability. It features a stainless steel housing that resists corrosion and ensures a long service life. The thermostat also includes a temperature-sensitive element made of a heat-sensitive alloy, which expands and contracts with temperature changes to control the coolant flow.

The M139489 425 445 FD620 Cylinder Head Thermostat M97311 is easy to install, with a simple bolt-on design that allows for quick and straightforward replacement. It is also compatible with other Kawasaki Deere cooling system components, ensuring seamless integration and efficient cooling system performance.

If you're experiencing issues with your tractor's cooling system, such as overheating or poor engine performance, a faulty thermostat could be the culprit. Replacing the thermostat with this genuine Kawasaki Deere part will help ensure that your tractor's cooling system is operating at peak efficiency and that your engine stays cool and performs optimally.

Overall, the Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311 is a high-quality, reliable, and easy-to-install component that is essential for maintaining the optimal performance of your Kawasaki Deere MX-series tractor's cooling system.

Pros and Cons of Buying Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311

The Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311 is a critical component in ensuring the cooling system of your Kawasaki engine functions efficiently. This thermostat maintains the engine temperature within an optimal range for maximum performance and longevity. In this article, we will discuss the pros and cons of buying this specific thermostat to help you make an informed decision.

1. High-quality: Kawasaki is a reputable brand known for manufacturing durable and reliable engine components. The M139489 thermostat is no exception and is designed to withstand the rigors of heavy-duty agricultural applications.

2. Proper fit: This thermostat is engineered specifically for the Kawasaki M9 engine series, ensuring a perfect fit and seamless integration into your engine's cooling system.

3. Improved engine performance: A faulty thermostat can cause engine overheating or poor cooling, leading to decreased performance. By replacing it with a new one like the M139489, you can restore optimal engine performance and efficiency.

4. Preventive maintenance: Regularly replacing worn-out thermostats is a crucial part of maintaining your Kawasaki engine. Using a high-quality replacement like the M139489 can help extend the life of your engine and reduce costly repairs down the line.

1. Cost: While the M139489 thermostat is a high-quality component, it comes with a higher price tag compared to some aftermarket alternatives.

2. Availability: Depending on your location and the availability of parts from local dealers, you may need to wait for some time to receive this thermostat.

In conclusion, the Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311 is an essential component for maintaining the optimal performance and longevity of your Kawasaki engine. Despite the higher cost compared to some aftermarket alternatives, its high-quality design, precise fit, and improved engine performance make it a worthwhile investment for agricultural equipment owners. By choosing this thermostat, you can rest assured that you are using a reliable and proven solution to keep your engine running at its best.

If you own a Kawasaki M9 engine series and are in need of a new thermostat, we recommend considering the Kawasaki Deere M139489 425 445 FD620 Cylinder Head Thermostat M97311. Its superior quality, perfect fit, and proven track record make it an excellent choice for ensuring the continued performance and longevity of your Kawasaki engine.

Details:

HEAD USED THE SHORT SPARK PLUGS GOOD THERMOSTATE SIDE CYLINDER #2 WITH BOLTS AND 2 NEW ALIENMENT PINS M70227 OFF JOHN DEERE 425 FD620 KAWASAKI ENGINE.

part #: m139489 prices

• $80.00-$669.99

specifications lampaac:

• brand: Kawasaki John Deere
• mpn: M139489
• model: 425-fd620
• type: Cylinder Head
• horsepower: 20-22hp
• compatible model: 425 445

payments lampaac:

• wallet: Paypal
• credit card: Visa
• other

general lampaac:

• Yard, Garden Outdoor Living > Lawn Mowers, Parts Accessories > Lawn Mower Parts
• condition: Used

seller lampaac:

• rating: 100.0%
• city: Rawson, Ohio
• # reviews: 2389

offer lampaac:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: February 8, 2026

shipping lampaac:

• transit: 4-10 Days
• carrier: USPS
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• type: Fixed

returns lampaac:

• policy: No Returns

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