MOTORCRAFT CM-1739 Nos Carburetor Choke Thermostat D3AZ-9848N

( Brand: Motorcraft ), ( Type: Choke ), ( Oe/oem Part Number: D3az-9848-n ), ( Manufacturer Part Number: CM-1739 ), ( Vintage Part: Yes ), ( Performance Part: No )

Review MOTORCRAFT Nos Ford Carburetor Choke Thermostat

The Motorcraft CM-1739 choke thermostat D3AZ-9848N is a crucial component in the carburetor system of certain Ford vehicles. This thermostat plays a significant role in the engine's starting process during cold weather, ensuring a smooth and efficient start-up.

The CM-1739 is a choke thermostat, which means it regulates the flow of coolant to the carburetor's choke system. In colder temperatures, the thermostat allows coolant to circulate to the choke, enabling the engine to draw in more fuel for a richer mixture and easier start. Once the engine reaches a certain temperature, the thermostat closes, preventing coolant from continuing to flow to the choke, allowing the engine to run efficiently on the normal fuel-air mixture.

The D3AZ-9848N is the part number for this specific Motorcraft CM-1739 choke thermostat. It is manufactured by Motorcraft, which is Ford's own brand of genuine replacement parts. These parts are designed to meet or exceed the original equipment specifications, ensuring a perfect fit and optimal performance.

The thermostat housing is made of durable materials, with an operating temperature range from -40 F to 257 F (-40 C to 125 C). It features a compact design, allowing for easy installation in various Ford applications. The thermostat also includes a built-in spring, which helps to maintain proper positioning and function.

In summary, the Motorcraft CM-1739 choke thermostat D3AZ-9848N is an essential component for Ford vehicles that require a carburetor-based starting system. Its role in regulating coolant flow to the choke system ensures a reliable and efficient engine start, especially during colder temperatures. With its high-quality construction and Ford-specific design, this Motorcraft part is the ideal choice for maintaining the performance and longevity of your Ford vehicle.

Pros and Cons of Buying Motorcraft CM-1739 NOS Ford Carburetor Choke Thermostat D3AZ-9848N

The Motorcraft CM-1739 NOS Ford Carburetor Choke Thermostat D3AZ-9848N is a crucial component for Ford vehicles with carbureted engines. Let's weigh the pros and cons of purchasing this part.

1. OEM (Original Equipment Manufacturer) Part: This thermostat is manufactured by Ford Motor Company, ensuring a perfect fit and function for your Ford vehicle.

2. Enhanced Engine Performance: A functional choke thermostat is essential for maintaining optimal engine performance, especially during cold starts.

3. Improved Fuel Efficiency: A properly functioning choke thermostat can help improve fuel efficiency by ensuring the engine reaches its ideal operating temperature quickly.

4. Reliability: As an OEM part, the Motorcraft CM-1739 NOS is expected to be reliable and durable, offering peace of mind for vehicle owners.

1. Cost: OEM parts, in general, tend to be more expensive compared to aftermarket alternatives.

2. Availability: Depending on your location and the availability of Ford dealerships, it might be challenging to find and purchase this part directly from the manufacturer.

3. Installation: Installing this part may require some mechanical knowledge or professional assistance, which could incur additional costs.

The Motorcraft CM-1739 NOS Ford Carburetor Choke Thermostat D3AZ-9848N is an essential component for maintaining optimal engine performance and fuel efficiency in Ford vehicles with carbureted engines. While it comes with the benefits of being an OEM part, such as perfect fit and function, it also comes with a higher price tag and potential installation challenges. Ultimately, the decision to purchase this part depends on your vehicle's condition, your budget, and your willingness to invest in a reliable and authentic replacement.

If you value originality, reliability, and a perfect fit, the Motorcraft CM-1739 NOS Ford Carburetor Choke Thermostat D3AZ-9848N is an excellent choice. However, if you're looking for a more cost-effective alternative, consider exploring aftermarket options while ensuring they are compatible with your Ford vehicle. Always remember to consult your vehicle's service manual or a professional mechanic for proper installation and precautions.

part # cm1739 prices

• $15.00-$24.95

specifications carbcaddie:

• for makes: Ford
• brand: Motorcraft
• type: Choke
• oe/oem part number: D3az-9848-n
• manufacturer part number: CM-1739
• vintage part: Yes
• performance part: No

payments carbcaddie:

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

offer carbcaddie:

• started: January 23, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

general carbcaddie:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

seller carbcaddie:

• # reviews: 10068
• rating: 100.0%

shipping carbcaddie:

• type: Fixed
• transit: 4-8 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• cost: $0.00

returns carbcaddie:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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